A Stainless Steel Lap Joint Flange is a type of flange used in various industries for connecting pipes and other equipment in a piping system. It is designed to allow easy alignment and disassembly of the connected components, making it a versatile and cost-effective choice for many applications.
Stainless steel is a popular material for lap joint flanges due to its corrosion resistance, durability, and strength. This makes it ideal for use in environments where exposure to moisture, chemicals, and high temperatures is common. The stainless steel used in lap joint flanges is typically of high quality, such as 304 or 316 stainless steel, to ensure optimum performance and longevity.
One of the distinctive features of a lap joint flange is its two-part design. It consists of two components: the stub end and the backing flange. The stub end is typically welded to the pipe, while the backing flange is free to move. This design allows for rotational and axial adjustment, making it easier to align the flange with the mating flange on the other pipe or equipment. The lap joint flange is often used when there is a need to rotate the flange for alignment purposes, or when the material of the piping system is expensive and needs to be conserved.
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The connection between the stub end and the backing flange is achieved using a lap joint that allows the two parts to slide over each other. This creates a loose, yet reliable connection that can accommodate movement and misalignment. When the backing flange is bolted to the mating flange on the other pipe or equipment, it compresses the gasket placed between them, creating a leak-tight seal.
One of the key advantages of lap joint flanges is their ease of assembly and disassembly. If maintenance or modifications are required, the backing flange can be easily removed, and the system can be accessed without the need to disturb the weld on the stub end. This minimizes downtime and reduces the cost of maintenance.
Stainless steel lap joint flanges are widely used in industries such as chemical processing, petrochemicals, food and beverage, pharmaceuticals, and more. Their corrosion resistance and flexibility in alignment make them suitable for a broad range of applications. They are also available in various sizes and pressure ratings to meet the specific requirements of different systems.
|Specifications||ASTM A 182/ ASME SA182|
|Dimensions||ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings|
|Standard||ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.|
|Size||1/2″ (15 NB) to 48″ (1200NB)|
|Class / Pressure||150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.|
|Flange Face Type||Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)|
|Raw materials Source||JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Dimensions||DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3|
|Threads||Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically|
|Test Certificate||as per EN 10204 / 3.1 Manufacturer Test Certificate|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified|
|Production process||M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC|
STOCKIST & SUPPILERS FOR STAINLESS STEEL LAP JOINT Flanges IN INDIA, CUSTOM SIZES SS LAP JOINT, LJFF, LJ Flanges AS PER CLIENT REQUIREMENT
|Size in Inch||Size in mm||Lapped Radius||Outer Diameter||Lapped Thick.||Lapped ID||Lapped Thick.||Hole Size||No of Bolts||Bolt Size UNC||Machine Bolt Length||PCD||RF Stud Length||ISO Stud Size||Flanges Thick.||Weight in kg|
|18||450||13||635||97||462.3||39.7||1 1/4||16||1 1/8||125||577.9||145||M30||505||59|
|20||500||13||700||103||514.4||42.9||1 1/4||20||1 1/8||140||635||160||M30||559||75|
|24||600||13||815||111||616||47.9||1 3/8||20||1 1/4||150||749.3||170||M33||663||100|
|Nominal Size||Outside Diameter||Lap Radus||Weight Each|
We Serve Application Industry
Lap Joint Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
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