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Flanges

Pioneers in the industry, we offer industrial hammer unions, astm a335 p1,5,9,11,12,22,91 rtj rf ff alloy steel flanges, 4130 steel flanges, astm a350 lf2 pipe flanges, lapped joint(lj) forged steel pipe flanges and ansi b16.5, b16.47, b16.36 series a flanges from India.

Industrial Hammer Unions

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Industrial Hammer Unions
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Approx. Rs 2,200 / PieceGet Latest Price

Product Details:
Minimum Order Quantity100 Piece
Size1/2 inch
TypeButtweld - NPT - Threaded
FinishingCNC Machined
Thread SizeAs per Drawing - Standard
ColorAs per standard
MaterialA105 & 4130
Country of OriginMade in India

A Hammer Union is a powerful flow-line connector with a nut end, a threaded end, and a unique rubber seal ring. The smooth bore reduces turbulence and buildup, one of its benefits.




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  • Production Capacity: 5000 Pcs
  • Delivery Time: 2-4 Weeks
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ASTM A335 P1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges

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ASTM A335 P1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
  • ASTM A335 P1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
  • ASTM A335 P1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
  • ASTM A335 P1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
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Product Details:
Minimum Order Quantity1000 Kg
Size10-20 inch
GradeASTM A335 P1,5,9,11,12,22,91 RTJ RF FF
Material StandardASTM A335 P1,5,9,11,12,22,91 RTJ RF FF
Usage/ApplicationIndustrial
Product TypeAlloy Steel Flanges
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ASTM A335 is a specification for seamless ferritic alloy-steel pipe intended for high-temperature service. It covers various grades of alloy steel pipes, including P1, P5, P9, P11, P12, P22, and P91. These grades have different chemical compositions and mechanical properties to suit different temperature and pressure requirements.
RTJ, RF, and FF are abbreviations for different types of flange facings:
1. RTJ (Ring Type Joint): RTJ flanges have a raised face with a groove machined into it. A metal ring gasket is used between the flange faces, which is compressed when the flanges are bolted together. This type of facing provides a reliable seal in high-pressure and high-temperature applications.
2. RF (Raised Face): RF flanges have a raised portion around the flange face. When two RF flanges are bolted together, the raised faces come into contact and create a seal with the help of a gasket. RF flanges are commonly used in low-to-moderate pressure and temperature applications.
3. FF (Flat Face): FF flanges have a flat surface on the flange face. They require the use of a gasket to achieve a seal between the flange faces. FF flanges are typically used in low-pressure applications or when the piping system requires the use of a separate gasket for sealing.
Alloy steel flanges made according to ASTM A335 specifications, such as those mentioned (P1, P5, P9, P11, P12, P22, and P91), can be manufactured with different facing types, including RTJ, RF, or FF. The choice of facing type depends on the specific application requirements, including pressure, temperature, and the type of sealing needed.
It's important to note that the flange facing type should match the facing type of the mating flange to ensure proper alignment and sealing. Additionally, gaskets suitable for the selected facing type should be used to achieve a leak-free joint in the piping system.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMEDIATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMENT
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4130 Steel Flanges

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4130 Steel Flanges
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Approx. Rs 150 / KgGet Latest Price

Product Details:
Minimum Order Quantity1000 Kg
Size>20 inch
Material Standard4130
MaterialStainless Steel
Usage/ApplicationGas Industry
Type4130 Steel Flanges
Grade4130
Packaging TypeAS PER CLIENT REQUIREMENT
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4130 steel is a chromium-molybdenum alloy steel that is widely used in various industries due to its excellent strength, toughness, and weldability. Flanges made from 4130 steel are commonly used in applications where high strength and resistance to wear, corrosion, and high-temperature environments are required.

4130 steel flanges are typically manufactured to relevant industry standards such as ASTM A182/A336 for forged flanges or ASTM A707 for large-diameter flanges. These standards specify the chemical composition, mechanical properties, and dimensional requirements for flanges made from different materials, including 4130 steel.

The specific type and design of 4130 steel flanges can vary depending on the application and requirements. Common types of flanges made from 4130 steel include weld neck, slip-on, blind, socket weld, and threaded flanges.

When selecting 4130 steel flanges, it's important to consider factors such as the pressure rating, temperature range, and compatibility with the fluid or gas being conveyed. Additionally, the flange dimensions, facing type (RF, RTJ, or FF), and gasket material should be chosen to suit the specific application requirements.

Proper installation, including correct torqueing of bolts and the use of suitable gaskets, is essential for achieving a leak-free and reliable joint with 4130 steel flanges.

Overall, 4130 steel flanges offer a combination of strength, durability, and corrosion resistance, making them suitable for various demanding applications in industries such as oil and gas, aerospace, automotive, and power generation.



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  • Production Capacity: 5000 KG
  • Delivery Time: IMMEDIATE EX OUR WORK
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ASTM A350 LF2 Pipe Flanges

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ASTM A350 LF2 Pipe Flanges
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Approx. Rs 150 / KgGet Latest Price

Product Details:
Minimum Order Quantity1000 Kg
Size>20 inch
Material StandardASTM A350 LF2
MaterialStainless Steel
Usage/ApplicationGas
Material GradeASTM A350
GradeASTM A350 LF2
Packaging TypeAS PER CLIENT REQUIREMENT

ASTM A350 LF2 is a specification that covers low-temperature carbon steel flanges for use in pressure systems at temperatures as low as -50°F (-46°C). These flanges are commonly used in applications where low-temperature service conditions are encountered, such as in the oil and gas industry, cryogenic storage, and refrigeration systems.
The LF2 designation indicates that the material is made from carbon steel with a Charpy V-notch impact test requirement at a specific temperature to ensure its toughness and resistance to brittle fracture in low-temperature environments.
ASTM A350 LF2 pipe flanges can be manufactured in various types and configurations, including weld neck, slip-on, blind, socket weld, and threaded flanges, among others. The specific type of flange depends on the application requirements, installation method, and compatibility with the piping system.
These flanges are typically manufactured in accordance with industry standards such as ASME B16.5 (Pipe Flanges and Flanged Fittings) or ASME B16.47 (Large Diameter Steel Flanges). These standards specify the dimensions, pressure ratings, facing types (RF, RTJ, or FF), and other requirements for flanges made from different materials, including ASTM A350 LF2.
When selecting ASTM A350 LF2 pipe flanges, it's important to consider factors such as pressure ratings, temperature limitations, material compatibility with the conveyed fluid, and the need for specific facing types or gasket materials.
Proper installation, including adherence to torqueing specifications, gasket selection, and bolting procedures, is crucial to ensuring a leak-free and reliable joint with ASTM A350 LF2 pipe flanges.
Overall, ASTM A350 LF2 pipe flanges are designed to withstand low-temperature environments while providing a secure and reliable connection in various industrial applications.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMIDEATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMENT
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Lapped Joint(LJ) Forged Steel Pipe Flanges

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Lapped Joint(LJ) Forged Steel Pipe Flanges
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Approx. Rs 150 / KgGet Latest Price

Product Details:
Flange TypeLapped Joint(LJ) Forged Steel Pipe Flanges
Usage/ApplicationFOUNDRY AND INVESTMENT CASTING
Packaging TypeAS PER CLIENT REQUIREMENT
TypeLapped Joint(LJ) Forged
Surface TreatmentLapped Joint(LJ)
Surface FinishingLapped Joint(LJ)

Lapped Joint (LJ) forged steel pipe flanges, also known as Van Stone flanges, are a specific type of flange commonly used in piping systems. LJ flanges consist of two components: the stub end and the backing flange.
Here are some key features and characteristics of LJ forged steel pipe flanges:
1. Stub End: The stub end is a short piece of pipe with a plain or threaded end. It is welded to the piping system and serves as a rotating collar for the flange assembly.
2. Backing Flange: The backing flange is the primary flange component of the LJ assembly. It has a flat face on one side and a raised face on the other side. The raised face allows for the connection of a gasket for sealing purposes.
3. Assembly: The stub end is inserted into the bore of the backing flange, and the two components are aligned. The stub end rotates freely within the backing flange, providing flexibility during installation and alignment.
4. Gasket and Bolting: A gasket is placed between the raised face of the backing flange and the mating flange (such as another LJ flange or a different flange type). Bolts are used to secure the flanges together and compress the gasket to achieve a leak-tight seal.
5. Advantages: LJ forged steel pipe flanges offer several advantages, including easy installation, flexibility in alignment, and the ability to rotate the stub end to match pipe orientation. They are also cost-effective compared to other flange types.
6. Applications: LJ flanges are commonly used in low-pressure and non-critical applications. They are suitable for systems that require frequent disassembly, such as temporary connections or systems where maintenance and inspection are necessary.
LJ forged steel pipe flanges are manufactured according to industry standards such as ASME B16.5 (Pipe Flanges and Flanged Fittings) or MSS SP-44 (Steel Pipeline Flanges). These standards specify the dimensions, pressure ratings, material requirements, and facing types for LJ flanges.
It's important to note that LJ flanges may not be suitable for high-pressure or high-temperature applications due to the limitations of the connection method and the lack of a fully contained gasket seal.
When selecting LJ forged steel pipe flanges, factors such as pipe size, pressure rating, temperature range, material compatibility, and installation requirements should be considered.
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ANSI B16.5, B16.47, B16.36 Series A Flanges

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ANSI B16.5, B16.47, B16.36 Series A Flanges
  • ANSI B16.5, B16.47, B16.36 Series A Flanges
  • ANSI B16.5, B16.47, B16.36 Series A Flanges
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Product Details:
Minimum Order Quantity1000 Kg
Material StandardANSI B16.5
Size>20 inch
MaterialSeries A Flanges
Usage/ApplicationGas
Production Capacity5000 KG
GradeANSI B16.5, B16.47, B16.36
Flange ClassSeries A
Packaging TypeAS PER CLIENT REQUIREMENT
Product TypeANSI B16.5, B16.47, B16.36
DeliveryIMMIDIATE EX OUR WORK

The ANSI B16.5, B16.47, and B16.36 Series A standards refer to different specifications for flanges used in piping systems. Here's an overview of each standard:
1. ANSI B16.5: This standard, titled "Pipe Flanges and Flanged Fittings," covers the dimensions, tolerances, materials, pressure ratings, and facings of flanges for use in piping systems. ANSI B16.5 is widely used and recognized in North America and many other regions. It includes flange types such as weld neck, slip-on, threaded, socket weld, lap joint, and blind flanges.
2. ANSI B16.47: This standard is divided into two series, Series A and Series B, and is titled "Large Diameter Steel Flanges." Series A of ANSI B16.47 covers flanges with nominal sizes ranging from 26 inches to 60 inches. It includes flange types such as weld neck and blind flanges. Series A flanges have larger dimensions and pressure ratings compared to those specified in ANSI B16.5.
3. ANSI B16.36 Series A: This standard, titled "Orifice Flanges," specifically addresses orifice flanges used in flow measurement applications. It provides specifications for orifice flanges, including their dimensions, pressure ratings, face-to-face dimensions, and tapping details. Series A of ANSI B16.36 covers flanges with raised face (RF) and ring-type joint (RTJ) facings.
These ANSI standards are widely adopted and used in the United States and many other countries. They ensure consistency and compatibility in flange dimensions, pressure ratings, and facing types, facilitating proper installation and interconnection of flanged components in piping systems.
When selecting flanges according to ANSI standards, it is essential to consider factors such as the pipe size, pressure rating, material compatibility, facing type (RF, RTJ, FF), and gasket requirements to ensure a proper and secure flange connection.
It's worth noting that the specific requirements and details within these ANSI standards may vary depending on the edition and revision of the standard. Therefore, referring to the specific version of the standard and considering any updates or revisions is important to ensure compliance with the latest specifications.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMIDIATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMENT
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JIS B2220 Flange

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Approx. Rs 150 / KgGet Latest Price

Product Details:
Minimum Order Quantity1000 Kg
Size>20 inch
Material StandardJIS B2220
Usage/ApplicationGas
GradeJIS B2220
Pressure Range5 kilograms per square centimeter
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JIS B2220 is a Japanese Industrial Standard that specifies the dimensions, materials, and technical requirements for steel pipe flanges in Japan. The JIS B2220 flange standard is widely used in various industries, including oil and gas, chemical, power generation, and shipbuilding, within Japan and some other countries in the Asian region.
Here are some key points about JIS B2220 flanges:
1. Flange Types: JIS B2220 covers a range of flange types, including slip-on flanges (SOP), blind flanges (BLFF), weld neck flanges (WNFF), socket weld flanges (SWFF), threaded flanges (THFF), and lap joint flanges (LJFF). These flange types correspond to their respective connection methods.
2. Pressure Ratings: JIS B2220 flanges have different pressure ratings based on the flange type and nominal size. The pressure ratings range from 5K (5 kilograms per square centimeter) to 63K, indicating the maximum allowable working pressure in kilopascals (kPa). The higher the pressure rating, the stronger the flange is designed to withstand.
3. Flange Faces: JIS B2220 flanges typically have a flat face (FF) or a raised face (RF). The flat face is designated as FF, and the raised face is designated as RF. The flange face type determines the type of gasket and sealing method used.
4. Materials: JIS B2220 specifies the materials for flanges based on their application and working conditions. Commonly used materials include carbon steel (SS400), stainless steel (SUS304, SUS316), and low-alloy steel (STPA).
5. Dimensions: JIS B2220 provides detailed dimensions for flanges, including flange thickness, bolt hole sizes, bolt circle diameter, and overall flange dimensions. These dimensions are specified for each nominal size and pressure rating.
It's important to note that JIS B2220 flanges may have variations in dimensions and specifications compared to other flange standards such as ANSI/ASME or EN standards. When working with JIS B2220 flanges, it is crucial to refer to the specific standard edition and ensure compatibility with the piping system and other components.
Proper installation practices, including bolt torqueing, gasket selection, and alignment, should be followed to ensure a reliable and leak-free joint with JIS B2220 flanges.
Overall, JIS B2220 flanges are widely used in Japan and neighboring countries, and they provide a standardized approach to the design and installation of steel pipe flanges in these regions.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMIDIATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMENT
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BS Standard Yellow Black Anti Rust Oil Steel Pipe Flanges

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BS Standard Yellow Black Anti Rust Oil Steel Pipe Flanges
  • BS Standard Yellow Black Anti Rust Oil Steel Pipe Flanges
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Approx. Rs 150 / KgGet Latest Price

Product Details:
Minimum Order Quantity1000 Kg
Size/Diameter>30 inch
Usage/ApplicationGas Industry
TypeBS Standard Yellow Black Anti Rust Oil Steel Pipe Flanges
Rated Pressure5 kilograms per square centimeter
Is It Rust ProofYES
Is It Corrosion ResistantYES
Packaging TypeAS PER CLIENT REQUIREMENTS
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The mention of "Yellow Black Anti Rust Oil" in relation to BS (British Standards) steel pipe flanges does not correspond to a specific standard within the BS flange series. It is possible that you may be referring to a specific coating or treatment applied to the flanges for corrosion protection.
In BS standards, steel pipe flanges are typically specified under BS EN 1092-1:2018, which is titled "Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1: Steel flanges."
Here are some key points about BS EN 1092-1:2018 flanges:
1. Flange Types: BS EN 1092-1 covers a wide range of flange types, including weld neck, slip-on, blind, threaded, lap joint, and socket weld flanges. Each flange type is designed for specific connection methods.
2. Pressure Ratings: Flanges in BS EN 1092-1 are classified based on their pressure ratings, which range from PN 2.5 to PN 400. The pressure rating indicates the maximum allowable working pressure in bar for a particular flange.
3. Facing Types: The standard specifies different flange face types, including raised face (RF), flat face (FF), and ring type joint (RTJ). The choice of facing type depends on the application and the sealing requirements.
4. Coatings and Treatments: While BS EN 1092-1 does not specify a specific coating or treatment like "Yellow Black Anti Rust Oil," additional corrosion protection measures can be applied to flanges based on project or application requirements. Common protective coatings include anti-rust coatings, such as epoxy or zinc-based coatings.
It's important to note that the specific requirements for coatings or treatments would be specified separately from the BS standard. The "Yellow Black Anti Rust Oil" description may be indicative of a specific coating or treatment applied to prevent corrosion during storage or transportation.
When working with BS flanges, it is crucial to refer to the specific edition and revision of the standard to ensure compliance with the latest specifications. Additionally, any special coating or treatment requirements should be clearly communicated and coordinated with the manufacturer or supplier of the flanges.
Overall, BS EN 1092-1:2018 provides a standardized approach to the design and installation of steel pipe flanges in accordance with British Standards.


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Welding Neck (WN, WNRF, WNRTJ) Flanges

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Welding Neck (WN, WNRF, WNRTJ) Flanges
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Approx. Rs 1,500 / PieceGet Latest Price

Product Details:
Minimum Order Quantity1000 Piece
Size>20 inch
TypeWeld neck flanges
Flange Face TypeWeld Neck
MaterialWN, WNRF, WNRTJ
Product TypeWelding Neck (WN, WNRF, WNRTJ) Flanges
Usage/ApplicationGas
Material Grade(WN, WNRF, WNRTJ)
Packaging TypeAS PER CLIENT REQUIREMENT
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Welding Neck (WN) flanges, also known as WNRF (Welding Neck Raised Face) flanges or WNRTJ (Welding Neck Ring Type Joint) flanges, are a type of flange used to connect pipes, valves, and other equipment in piping systems. They are commonly used in high-pressure and high-temperature applications, where the welded connection provides strength and durability.
Here's a breakdown of the different components and characteristics of welding neck flanges:
1. Flange Type:   - Welding Neck (WN) Flange: This is the general term for the flange type.   - Welding Neck Raised Face (WNRF) Flange: It has a raised face on the flange, which creates a mating surface for the gasket.   - Welding Neck Ring Type Joint (WNRTJ) Flange: It has a ring-type joint groove machined into the flange face, allowing for the use of a metal ring gasket.
2. Neck:   - The neck of the welding neck flange is the tapered extension that connects the flange to the pipe. It provides a smooth transition from the pipe to the flange, reducing stress concentrations.
3. Welding:   - Welding neck flanges are designed to be welded to the pipe or fitting using a full penetration weld. The weld ensures a strong and leak-free connection.
4. Raised Face (RF):   - In the case of WNRF flanges, they have a raised face that extends beyond the bolt holes. The raised face provides a surface for the gasket to seal against, enhancing the flange's ability to prevent leakage.
5. Ring Type Joint (RTJ):   - WNRTJ flanges have a specially machined groove on the flange face to accommodate a metal ring gasket. The ring gasket provides a high-pressure seal by deforming under pressure and filling the irregularities of the flange and the ring groove.
Welding neck flanges are often used in critical applications, such as oil and gas, petrochemical, and power generation industries, where the integrity of the connection is crucial. They offer excellent strength, durability, and resistance to high pressures and temperatures.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMEDIATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMNET
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API 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges

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API 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges
  • API 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges
  • API 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges
  • API 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges
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Product Details:
Minimum Order Quantity1000 Piece
Size>20 inch
Material StandardAPI 6A
Usage/ApplicationGas
Material GradeAPI 6A, NACE MR-0175 Rating 5000, 10000, 15000 PSI Flanges
GradeAPI 6A, NACE MR-0175
Packaging TypeAS PER CLIENT REQUIRIMENT

API 6A is a specification established by the American Petroleum Institute (API) for wellhead and Christmas tree equipment used in the oil and gas industry. NACE MR-0175 is a standard developed by the National Association of Corrosion Engineers (NACE) that specifies the requirements for materials exposed to sour (H2S-containing) environments. The rating 5000, 10000, 15000 PSI refers to the pressure ratings of the flanges that comply with these specifications.
Flanges rated at 5000, 10000, or 15000 PSI are designed to withstand specific pressure levels in oil and gas applications. Here's an overview of these flanges:
1. Pressure Ratings:   - 5000 PSI Flanges: These flanges are designed to handle a maximum pressure of 5000 pounds per square inch (PSI). They are used in moderate-pressure applications.   - 10000 PSI Flanges: These flanges are designed to withstand a maximum pressure of 10000 PSI. They are used in high-pressure applications.   - 15000 PSI Flanges: These flanges are designed to handle a maximum pressure of 15000 PSI. They are used in extremely high-pressure applications.
2. Material and Construction:   - API 6A specifies the material requirements for flanges, including carbon steel, stainless steel, or alloy steel. The material selection depends on factors such as the application, pressure, temperature, and corrosion resistance requirements.   - NACE MR-0175 sets guidelines for the selection and qualification of materials exposed to sour environments. Flanges complying with this standard are made from materials suitable for H2S-containing environments to prevent corrosion.
3. Design and Testing:   - Flanges complying with API 6A and NACE MR-0175 undergo rigorous design and testing processes to ensure their performance and reliability under the specified pressure and environmental conditions.   - These flanges are typically designed with a ring-type joint (RTJ) or a raised face (RF) for sealing, depending on the specific requirements.
It's important to note that the pressure ratings mentioned (5000, 10000, 15000 PSI) are common ratings, but other pressure ratings are also available depending on the specific application needs. Consulting the API 6A and NACE MR-0175 specifications, as well as relevant industry standards, is crucial for accurate selection and implementation of flanges in oil and gas operations.


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  • Production Capacity: 5000 KG
  • Delivery Time: IMMIDIATE EX OUR WORK.
  • Packaging Details: AS P[ER CLIENT REQUIREMENT
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ASTM A213 T1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges

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ASTM A213 T1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
  • ASTM A213 T1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
  • ASTM A213 T1,5,9,11,12,22,91 RTJ RF FF Alloy Steel Flanges
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Product Details:
Minimum Order Quantity1000 Piece
GradeASTM A213 T1,5,9,11,12,22,91 RTJ RF FF
Material StandardASTM A213
Usage/ApplicationGas
Product TypeAlloy Steel Flanges
Corrosion ResistanceYES
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  1. ASTM A182:

    • ASTM A182 is a specification that covers forged or rolled alloy and stainless steel pipe flanges, forged fittings, and valves and parts for high-temperature service.
    • This specification includes a wide range of alloy steels, such as T1, T5, T9, T11, T12, T22, and T91, which have different compositions and properties suitable for specific applications.
  2. Flange Types:

    • Raised Face (RF): This type of flange has a raised face on the sealing surface, providing a contact point for the gasket.
    • Ring Type Joint (RTJ): These flanges have a specially machined groove to accommodate a metal ring gasket, which ensures a high-pressure seal.
  3. Facing Types:

    • Raised Face (RF): The sealing surface is raised above the bolting circle face, allowing for easy installation of gaskets.
    • Flat Face (FF): The sealing surface is flat and in line with the bolting circle face, suitable for applications where a flat gasket is used.
  4. Applications:

    • Alloy steel flanges find applications in high-temperature and high-pressure environments, such as power generation, oil and gas, chemical processing, and refineries.
    • The specific alloy steel grades mentioned (T1, T5, T9, T11, T12, T22, T91) offer different mechanical properties, heat resistance, and corrosion resistance, making them suitable for various service conditions.

It's important to note that the selection of alloy steel flanges should be based on the specific requirements of the application, including temperature, pressure, and media compatibility. Additionally, referring to the appropriate specifications, such as ASTM A182 or ASME B16.5, will provide detailed information regarding the dimensions, tolerances, and material requirements for the flanges.



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  • Production Capacity: 5000 KG
  • Delivery Time: IMMIDEIATE EX OUR WORK
  • Packaging Details: AS PER CLIENT REQUIREMENT
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A105 Carbon Steel Forged Flanges

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A105 Carbon Steel Forged Flanges
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Product Details:
Minimum Order Quantity1000 Kg
Size26-30 inch
Material StandardASTM A105
Usage/ApplicationGas Industry
TypeCarbon Steel Forged Flanges
Packaging TypeAS PER CLIENT REQUIREMENT
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A105 is a commonly used specification for carbon steel forgings, specifically for fittings, flanges, valves, and other pressure vessel components. It is a standard material specification recognized by the American Society for Testing and Materials (ASTM).
A105 carbon steel is typically used in high-temperature and high-pressure applications. It offers good mechanical properties, such as strength and toughness, and is suitable for welding and forming processes. A105 steel is often used in industries like oil and gas, chemical processing, power generation, and petrochemicals.
It's worth noting that when working with materials for specific applications, it is essential to consult with professionals or refer to relevant codes and standards to ensure the correct material selection and usage.


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ASTM A105 Carbon Steel Flanges

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Product Details:
Minimum Order Quantity1000 Kg
Size26-30 inch
Material StandardASTM A105
Usage/ApplicationGas Industry
TypeCarbon Steel Flanges
Packaging TypeAS PER CLIENT REQUIREMENT
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ASTM A105 is a specification established by the American Society for Testing and Materials (ASTM) for carbon steel forgings for piping applications. It covers a wide range of forged carbon steel components used in pressure systems, such as flanges, fittings, valves, and other similar parts.
The ASTM A105 specification outlines the chemical composition, mechanical properties, heat treatment requirements, dimensions, tolerances, and testing procedures for carbon steel forgings. The material is primarily intended for use in high-temperature and high-pressure service conditions.
Here are some key features and requirements specified by ASTM A105:
1. Chemical Composition: ASTM A105 requires the carbon steel to have a specific chemical composition, including maximum percentages of carbon (0.35%), manganese (0.60-1.05%), phosphorus (0.035%), sulfur (0.040%), silicon (0.10-0.35%), copper (0.40%), and nickel (0.40%).
2. Mechanical Properties: The material should possess certain mechanical properties such as minimum yield strength (250 MPa) and tensile strength (485 MPa), as well as minimum elongation and reduction of area values.
3. Heat Treatment: ASTM A105 forgings are typically subjected to a full annealing heat treatment or a normalizing heat treatment followed by tempering.
4. Dimensions and Tolerances: The specification provides guidelines for the dimensions and tolerances of various forged components, including flanges, fittings, and valves.
5. Testing: ASTM A105 requires various tests to ensure the quality and integrity of the forgings. These tests include tension testing, impact testing, hardness testing, and nondestructive examination methods such as ultrasonic or magnetic particle testing.
It's important to note that while ASTM A105 covers carbon steel forgings, it is not a comprehensive piping specification. It primarily focuses on the material requirements for the forgings used in piping systems and does not address other aspects such as pipe dimensions, wall thickness, or joining methods.
When using materials specified by ASTM A105, it is crucial to follow the appropriate codes, standards, and engineering practices for the specific application to ensure safe and reliable performance.


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Flanges

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Product Details:
Minimum Order Quantity1000 Kg
Size10-20 inch
Usage/ApplicationGas Industry
MaterialStainless Steel
TypeFLAGE
Rated Pressure5K
ShapeROUND
Is It Rust ProofYES
Is It Corrosion ResistantYES
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Flanges are mechanical components used to connect pipes, valves, pumps, and other equipment in a piping system. They are flat or raised rims with bolt holes that allow for the assembly and disassembly of the system. Flanges provide a means of joining different sections of pipe or connecting pipe to equipment, ensuring a leak-proof and secure connection.

Here are some key features and functions of flanges:

  1. Connection: Flanges act as connectors between pipes or equipment. They allow for easy installation, removal, and maintenance of the connected components.

  2. Sealing: Flanges create a tight seal between the connected components to prevent leaks. The flange faces are typically machined flat or have a raised surface, which helps achieve a tight and reliable seal when compressed using gaskets.

  3. Strength and Support: Flanges provide structural strength and support to the piping system. They help distribute the mechanical stress and pressure exerted on the system, preventing pipe movement or failure.

  4. Alignment: Flanges ensure proper alignment of the connected pipes or equipment. They allow for angular adjustment during installation, compensating for minor misalignments.

  5. Accessibility: Flanges enable easy access for inspection, cleaning, and repairs. By disconnecting the flanges, components can be accessed without the need for cutting or disassembling the entire system.

Flanges come in various types, including weld neck, slip-on, blind, socket weld, threaded, and lap joint flanges, among others. Each type has specific design features and application requirements.

When selecting a flange, factors such as pressure rating, pipe size, material compatibility, and environmental conditions should be considered. Flanges are commonly made from materials like carbon steel, stainless steel, alloy steel, and various other alloys suitable for specific operating conditions.

Overall, flanges play a crucial role in piping systems by providing secure connections, sealing against leaks, and facilitating maintenance and accessibility.



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Steel Flanges

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Minimum Order Quantity1000 Kg
Size>20 inch
Usage/ApplicationGas Industry
MaterialStainless Steel
TypeSTEEL FLANG
Packaging TypeAS PER CLIENT REQUIREMENT
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Steel flanges are mechanical components used for joining pipes, valves, and other equipment in a piping system. They provide a connection point for the components, allowing for easy assembly, disassembly, and maintenance. Steel flanges are known for their strength, durability, and suitability for a wide range of applications.
Here are some key points about steel flanges:
1. Material: Steel flanges are typically made from carbon steel or stainless steel. Carbon steel flanges are commonly used in general industrial applications, while stainless steel flanges offer higher corrosion resistance and are often preferred in industries such as food processing, pharmaceuticals, and chemical processing.
2. Types: Steel flanges come in various types, including weld neck, slip-on, blind, socket weld, threaded, lap joint, and more. Each type has specific design features and application suitability. For example, weld neck flanges are widely used in high-pressure systems, while slip-on flanges are convenient for easy installation and removal.
3. Pressure Rating: Steel flanges have different pressure ratings, which indicate their ability to withstand pressure in the piping system. Common pressure ratings for steel flanges include ANSI/ASME classes, PN (Pressure Nominal) ratings, and DIN standards.
4. Facing Types: Steel flanges can have different facing types on their sealing surfaces. Common facing types include Raised Face (RF), Flat Face (FF), and Ring Type Joint (RTJ). The facing type is chosen based on the application requirements, pressure, and temperature conditions.
5. Standardization: Steel flanges are manufactured according to international standards such as ANSI/ASME, ASTM, DIN, and EN. These standards define the dimensions, materials, pressure ratings, facing types, and other specifications for steel flanges.
6. Gaskets: Steel flanges are typically used in conjunction with gaskets to provide a leak-tight seal. Gaskets can be made from various materials, such as rubber, PTFE (Teflon), or compressed fiber, depending on the specific application and fluid being conveyed.
When selecting steel flanges, factors such as pipe size, pressure rating, temperature range, material compatibility, and installation requirements should be considered.
Steel flanges are widely used in industries such as oil and gas, petrochemical, power generation, water treatment, and many others. They play a critical role in ensuring the integrity and efficiency of piping systems by providing secure connections and leak-free joints.


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API 6A Flanges (Type 6B & 6BX - PSI) (LF2, ASTM A105, 4130)

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Product Details:
Minimum Order Quantity1000 Piece
Size>20 inch
MaterialStainless Steel
Usage/ApplicationGas
GradeAPI 6A Flanges (

API 6A flanges refer to the flange specifications defined by the American Petroleum Institute (API) in API Specification 6A. These flanges are specifically designed for use in high-pressure and high-temperature applications in the oil and gas industry. API 6A flanges are commonly used in wellhead and Christmas tree equipment, valves, and other oilfield equipment.
Here are some key points about API 6A flanges:
1. Flange Types: API 6A specifies two main types of flanges: Type 6B and Type 6BX.
   - Type 6B: This flange type is a weld neck flange with a raised face (RF) and a pressure rating ranging from 2,000 to 20,000 pounds per square inch (psi). It has a standard hub size and is typically used for lower-pressure applications.
   - Type 6BX: This flange type is also a weld neck flange with a raised face (RF), but it has an extended hub size compared to Type 6B. It is designed for higher-pressure applications and has pressure ratings ranging from 5,000 to 20,000 psi.
2. Pressure Ratings: API 6A flanges have different pressure ratings based on the type and size of the flange. The pressure ratings typically range from 2,000 psi to 20,000 psi, depending on the specific flange type and size.
3. Materials: API 6A flanges can be manufactured from various materials to suit different operating conditions. Common materials used include low-temperature carbon steel (LF2), ASTM A105 carbon steel, and 4130 alloy steel. The material selection depends on factors such as temperature, pressure, and corrosion resistance requirements.
4. Dimensions and Specifications: API 6A provides detailed dimensions and specifications for flanges, including flange sizes, thicknesses, bolt hole sizes, and overall dimensions. The specifications ensure compatibility and interchangeability of API 6A flanges in the oil and gas industry.
API 6A flanges are subject to stringent manufacturing and testing requirements to ensure their quality, integrity, and performance in demanding oilfield environments. These requirements include material traceability, non-destructive examination (NDE), hydrostatic testing, and documentation of compliance.
It's important to consult the specific edition and revision of API Specification 6A to ensure compliance with the latest requirements. Additionally, proper installation practices, including bolt torqueing, gasket selection, and alignment, should be followed to ensure a reliable and leak-free joint with API 6A flanges.
Overall, API 6A flanges are designed for high-pressure and high-temperature applications in the oil and gas industry, providing a reliable and robust connection in critical equipment and systems.


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Blind (BL, BLRF, BLFF) NACE MR0175/ISO15156 Flanges

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Product Details:
Minimum Order Quantity1000 Piece
MaterialCarbon Steel
GradeMR0175/ISO15156
TypeBlind, Blind Flange
Usage/ApplicationFOUNDRY AND INVESTMENT CASTING

Blind flanges (BL), Blind Raised Face flanges (BLRF), and Blind Flat Face flanges (BLFF) that comply with the NACE MR0175/ISO 15156 standard are specifically designed for use in environments with sour or corrosive conditions, such as those encountered in the oil and gas industry.
NACE MR0175, also known as ISO 15156, is a globally recognized standard that provides guidelines for the selection and use of materials in environments containing hydrogen sulfide (H2S). It sets requirements for the materials' chemical composition, hardness, heat treatment, and other properties to ensure their resistance to corrosion and sulfide stress cracking.
When it comes to blind flanges (BL), there are three common types:
1. Blind Flange (BL): It is a solid disk used to close the end of a piping system or vessel. It has no bore and does not allow fluid passage. The flange face can be raised (RF) or flat (FF) depending on the application requirements.
2. Blind Raised Face Flange (BLRF): This type of blind flange has a raised face that extends outward from the flange's main body. The raised face provides a sealing surface when the flange is bolted to another flange, ensuring a tight and leak-free connection.
3. Blind Flat Face Flange (BLFF): Unlike the BLRF, the blind flat face flange has a flat face without any raised portion. It is typically used when there is no need for a raised face sealing surface.
Blind flanges meeting the NACE MR0175/ISO 15156 standard are manufactured using materials that comply with the specified requirements for sour service environments. The materials used, such as carbon steel or alloy steel, are selected and processed to provide resistance against corrosion and sulfide stress cracking.
It's important to note that NACE MR0175/ISO 15156 compliance extends beyond the flange material itself. The selection of gaskets, bolting materials, and other components must also adhere to the specified requirements to maintain the integrity and compatibility of the entire system.
When working with blind flanges in sour service environments, it is essential to consult the relevant codes, standards, and engineering practices to ensure proper material selection, installation, and maintenance for safe and reliable operation.


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Carbon Steel Flanges

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Product Details:
MaterialCarbon Steel
Size20-30 inch
Material StandardASTM A105
ColorBlack
BrandKanungo Ferromet

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EN Standard Type 1,2,5,11,12,13 Steel Forged Pipe Flanges

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Product Details:
Minimum Order Quantity1000 Kg
Size10-20 inch
Material StandardEN 1,2,5,11,12,13
Usage/ApplicationGas Industry
Type1,2,5,11,12,13
Packaging TypeAS PER CLIENT REQUIREMENT
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EN standards provide specifications for various products, including steel forged pipe flanges. However, the specific types mentioned (1, 2, 5, 11, 12, 13) do not correspond to the commonly known EN flange types. It's possible that the numbering system you provided is specific to a particular manufacturer or industry.

To provide you with accurate information, it would be helpful to know the specific EN standard you are referring to. The most commonly used EN standards for steel flanges include EN 1092-1 and EN 1759-1.

EN 1092-1: This standard specifies flange dimensions, facing types, pressure ratings, and materials for steel flanges. It covers various types of flanges, including types 01 (Plate flange for welding), 02 (Loose plate flange with weld-on plate collar), 05 (Blank flange), 11 (Weld-neck flange), and 12 (Hubbed slip-on flange).

EN 1759-1: This standard focuses on steel flanges with a PN designator (Pressure Nominal) and provides specifications for flange dimensions, facing types, materials, and pressure ratings. It covers various types of flanges, including types 01 (Plate flange for welding), 02 (Loose plate flange with weld-on plate collar), and 05 (Blank flange).

If you can provide more specific information about the EN standard or any other details related to the flange types you are referring to, I can provide you with more accurate information about their specifications and applications.



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Long Welding Neck (LWN) Forged Steel Flanges

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Product Details:
Minimum Order Quantity1000 Kg
Flange Face TypeWeld Neck
MaterialForged Steel Flanges
Product TypeForged Steel Flanges
Usage/ApplicationGas
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Long Welding Neck (LWN) forged steel flanges are a type of flange commonly used in high-pressure and high-temperature piping systems. LWN flanges have a long tapered hub that acts as an extension of the flange itself, providing reinforcement and strength to the connection.
Here are some key features and characteristics of LWN forged steel flanges:
1. Design: LWN flanges have a long and tapered neck that extends from the flange. The elongated neck provides a smooth transition from the flange to the pipe, reducing stress concentration and enhancing the structural integrity of the joint.
2. Welding: The extended neck of the LWN flange is designed to be butt-welded to the pipe. The weld joint between the neck and the pipe provides a strong and leak-free connection.
3. Hub Dimensions: LWN flanges have specific hub dimensions, including the length and thickness of the neck. The dimensions are determined based on the pipe size, pressure rating, and design requirements.
4. Pressure Rating: LWN forged steel flanges are available in various pressure ratings, allowing them to be used in high-pressure applications. The pressure rating depends on factors such as the material, dimensions, and design specifications of the flange.
5. Applications: LWN forged steel flanges are commonly used in industries such as oil and gas, petrochemical, power generation, and refineries. They are suitable for applications involving high pressures, high temperatures, and critical conditions.
6. Standards: LWN forged steel flanges are manufactured according to industry standards such as ASME B16.5 (Pipe Flanges and Flanged Fittings) or MSS SP-44 (Steel Pipeline Flanges). These standards define the dimensions, pressure ratings, material requirements, and facing types for LWN flanges.
When selecting LWN forged steel flanges, it's important to consider factors such as pipe size, pressure rating, temperature range, material compatibility, and the need for additional features like corrosion resistance or special coatings.
Proper welding procedures and practices are crucial during the installation of LWN flanges to ensure a strong and reliable joint. Welding should be carried out by qualified personnel using appropriate welding techniques and following industry standards and codes.
Overall, LWN forged steel flanges are designed to provide a robust and secure connection in high-pressure and high-temperature piping systems, making them suitable for demanding industrial applications.


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Stainless Steel Blind Flange

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Product Details:
Minimum Order Quantity1000 Kg
MaterialStainless Steel
TypeBlind Flange
ShapeROUND
Usage/ApplicationFOUNDRY AND INVESTMENT CASTING
Rated Pressure5K

A stainless steel blind flange is a type of flange that is solid and has no opening or bore in the center. It is used to seal the end of a piping system or vessel, effectively closing it off and preventing the flow of fluids or gases.
Here are some key features and characteristics of stainless steel blind flanges:
1. Material:   - Stainless Steel: Blind flanges are commonly made from stainless steel to provide corrosion resistance, durability, and compatibility with various fluids and environments. Different grades of stainless steel, such as 304, 316, or 316L, may be used based on the specific application requirements.
2. Design:   - Solid Construction: Blind flanges have a solid disk-like design with no opening or bore in the center.   - Bolt Holes: They typically have bolt holes around the perimeter to allow for secure attachment to the flange connection using bolts.
3. Uses:   - Closure: Blind flanges are used to close off the end of a pipeline or vessel, preventing the flow of fluids or gases. They are commonly used for maintenance purposes, during system shutdowns, or when a future connection point is required.   - Pressure Testing: Blind flanges are also used in pressure testing applications to create a sealed end, allowing for pressure testing of the system.
4. Gasket and Bolting:   - Gasket: A gasket is placed between the blind flange and the mating flange to create a reliable seal. The gasket material is selected based on the application requirements, considering factors such as temperature, pressure, and fluid compatibility.   - Bolting: Blind flanges are secured to the mating flange using bolts. The number and size of bolts depend on the flange size and pressure rating.
Stainless steel blind flanges are widely used in industries such as oil and gas, chemical processing, water treatment, and pharmaceuticals, where the integrity of the sealing is crucial, and corrosion resistance is required. They provide a secure and leak-proof closure for piping systems or vessels.


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GB Standard Forged Steel Pipe Flanges

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Product Details:
Minimum Order Quantity1000 Kg
Size>20 inch
MaterialStainless Steel
Usage/ApplicationGas
Material StandardGB Standard

The GB (Guobiao) standards refer to a set of Chinese national standards. In the case of forged steel pipe flanges, the relevant GB standard is GB/T 9119.
GB/T 9119 specifies the dimensions, technical requirements, materials, and marking of steel pipe flanges in China. It covers a wide range of flange types and sizes for various applications in different industries.
Here are some key points about GB/T 9119 flanges:
1. Flange Types: GB/T 9119 includes various flange types, such as weld neck flanges (WN), slip-on flanges (SO), threaded flanges (TH), blind flanges (BL), plate flanges (PL), and socket weld flanges (SW). These flange types correspond to their respective connection methods.
2. Pressure Ratings: GB/T 9119 specifies different pressure ratings for flanges, ranging from PN0.25 to PN42. The pressure rating indicates the maximum allowable working pressure in megapascals (MPa) for a particular flange.
3. Facing Types: GB/T 9119 flanges can have a flat face (FF) or a raised face (RF). The flat face is designated as FF, and the raised face is designated as RF. The flange face type determines the type of gasket and sealing method used.
4. Materials: GB/T 9119 specifies the materials for flanges based on their application and working conditions. Commonly used materials include carbon steel (Q235B, 20#), stainless steel (304, 316), and low-alloy steel (16Mn).
5. Dimensions: GB/T 9119 provides detailed dimensions for flanges, including flange thickness, bolt hole sizes, bolt circle diameter, and overall flange dimensions. These dimensions are specified for each nominal size and pressure rating.
It's important to note that GB/T 9119 flanges may have variations in dimensions and specifications compared to other flange standards such as ANSI/ASME or EN standards. When working with GB/T 9119 flanges, it is crucial to refer to the specific standard edition and ensure compatibility with the piping system and other components.
Proper installation practices, including bolt torqueing, gasket selection, and alignment, should be followed to ensure a reliable and leak-free joint with GB/T 9119 flanges.
Overall, GB/T 9119 is the Chinese standard for forged steel pipe flanges, providing a standardized approach to the design and installation of flanges in China.


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