Stainless Steel Lap Joint Flange Supplier

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.

Specification For SS Lap Joint Flanges

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
lap joint flanges

STOCKIST & SUPPILERS FOR STAINLESS STEEL LAP JOINT Flanges IN INDIA, CUSTOM SIZES SS LAP JOINT, LJFF, LJ Flanges AS PER CLIENT REQUIREMENT

Various Types of Stainless Steel Lap Joint Flanges

Lapped Joint

Lapped Joint Flanges

  • ASME SA182 Stainless Steel Lapped Joint Flanges
  • 304L Stainless Steel Lapped Joint Flanges
  • Stainless Steel Lapped Joint Flange
  • 316L SS Lapped Joint Flanges
  • Stainless Steel Lapped Joint Flanges
  • 316 Stainless Steel Lapped Joint Flanges
  • SS Lapped Joint Flanges
  • ANSI B16.5 Stainless Steel Lapped Joint Flanges
  • ASTM A182 Stainless Steel Lapped Joint Flanges
  • Stainless Steel 304 Lapped Joint Flanges
  • SS Lapped Joint Flange
Loose Flange

Loose Flanges

  • Stainless Steel Loose Flange
  • ASME SA182 Stainless Steel Loose Flanges
  • Stainless Steel Loose Flanges
  • 316 Stainless Steel Loose Flanges
  • ASTM A182 Stainless Steel Loose Flanges
  • ANSI B16.5 Stainless Steel Loose Flanges
  • SS Loose Flanges
  • 316L SS Loose Flanges
  • 304L Stainless Steel Loose Flanges
  • SS Loose Flange
  • Stainless Steel 304 Loose Flanges
Lapped Joint Flange

LJ Flanges

  • ASME SA182 Stainless Steel LJ Flanges
  • 316L SS LJ Flanges
  • 304L Stainless Steel LJ Flanges
  • Stainless Steel 304 LJ Flanges
  • 316 Stainless Steel LJ Flanges
  • SS LJ Flange
  • Stainless Steel LJ Flange
  • SS LJ Flanges
  • ASTM A182 Stainless Steel LJ Flanges
  • Stainless Steel LJ Flanges
  • ANSI B16.5 Stainless Steel LJ Flanges

Ready Stock Of Stainless Steel Lap Joint Flanges

  • Stainless Steel Lap Joint Flanges
  • 304L Stainless Steel Lap Joint Flange
  • Stainless Steel 316L Lap Joint Flanges
  • SS LJFF Flanges
  • SS Lap Joint Forged Flange
  • Stainless Steel Flat Faced Lap Joint Flanges
  • SS Class 150 Lap Joint Flanges
  • Stainless Steel Raised Faced Lap Joint Flanges
  • ANSI B16.5 Class 150 Lap Joint Flanges
  • ASME SA182 SS Lap Joint Flangs
  • Stainless Steel 316 LJ Flanges
  • SS Lap Joint Pipe Flanges
  • SS 316 Lap Joint Flange
  • ASTM A182 Stainless Steel LJF Flange
  • Stainless Steel LJFF Flange
  • F304 Stainless Steel Lap Joint Flange
  • Stainless Steel RFLJ Flanges
  • ANSI B16.5 Stainless Steel Lap Joint Flanges
  • Stainless Steel Lap Joint Flanges
  • SS Lap Joint Raised Face Flange
  • ASME B16.5 Stainless Steel Lap Joint Flanges
  • Stainless Steel Raised Face Lap Joint Flange

SS Lap Joint Flanges Dimension

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
A C D G E B
1/2 15 3 90 16 22.9 11.2 5/8 4 1/2 50 60.3 55 M14 30 0.8
3/4 20 3 100 16 28.2 12.7 5/8 4 1/2 50 69.9 65 M14 38 0.9
1 25 3 110 17 34.9 14.3 5/8 4 1/2 55 79.4 65 M14 49 0.9
1 1/4 32 5 115 21 43.7 15.9 5/8 4 1/2 55 88.9 70 M14 59 1.4
1 1/2 40 6 125 22 50 17.5 5/8 4 1/2 65 98.4 70 M14 65 1.4
2 50 8 150 25 62.5 19.1 3/4 4 5/8 70 120.7 85 M16 78 2.3
2 1/2 65 8 180 29 75.4 22.3 3/4 4 5/8 75 139.7 90 M16 90 3.2
3 80 10 190 30 91.4 23.9 3/4 4 5/8 75 152.4 90 M16 108 3.7
3 1/2 90 11 215 32 104.1 23.9 3/4 8 5/8 75 177.8 90 M16 122 5
4 100 11 230 33 116.8 23.9 3/4 8 5/8 75 190.5 90 M16 135 5.9
5 125 11 255 36 144.4 23.9 7/8 8 3/4 85 215.9 95 M20 164 6.8
6 150 13 280 40 171.4 25.4 7/8 8 3/4 85 241.3 100 M20 192 8.6
8 200 13 345 44 222.2 28.6 7/8 8 3/4 90 298.5 110 M20 246 13.7
10 250 13 405 49 277.4 30.2 1 12 7/8 100 362 115 M24 305 19.5
12 300 13 485 56 328.2 31.8 1 12 7/8 100 431.8 120 M24 365 29
14 350 13 535 79 360.2 35 1 1/8 12 1 115 476.3 135 M27 400 41
16 400 13 595 87 411.2 36.6 1 1/8 16 1 115 539.8 135 M27 457 54
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

Weight Chart of Stainless Steel Lap Joint Flanges

Nominal Size Outside Diameter Lap Radus Weight Each
  (OD)   (lbs)
1 4.25 0.13 2
11⁄4 4.63 0.19 3
11⁄2 5 0.25 3
2 6 0.31 5
21⁄2 7 0.31 7
3 7.5 0.38 8
31⁄2 8.5 0.38 11
4 9 0.44 13
5 10 0.44 15
6 11 0.5 18
8 13.5 0.5 30
10 16 0.5 42
12 19 0.5 64
14 21 0.5 90
16 23.5 0.5 98
18 25 0.5 125
20 27.5 0.5 160
24 32 0.5 212
30** 38.75 0.5 305
36** 46 0.5 440

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.

We Export SS Lap Joint Flanges Across the Globe

Lebanon, Denmark, Poland, Croatia, Iran, Iraq, Canada, Japan, Indonesia, Hungary, Australia, Sweden, Poland, Nigeria, Ireland, Macau, Serbia, Afghanistan, Pakistan, China, Bolivia, Ukraine, Chile, Puerto Rico, Bhutan, Iran, Morocco, Tibet, Turkey, Gabon, Sri Lanka, Nepal, Lithuania, Tunisia, Chile, Mongolia, Kuwait, Malaysia, Algeria, Vietnam, Portugal, New Zealand, Bahrain, Israel, Ghana, Peru, United Arab Emirates, Bangladesh, Venezuela, Argentina, United States, United Kingdom, Philippines, Zimbabwe, Greece, Estonia, India, Libya, Russia, Spain, Colombia, South Korea, Mexico, Ecuador, Germany, Trinidad & Tobago, Angola, Austria, Namibia, Egypt, Singapore, Thailand, Mexico, Costa Rica, Slovakia, France, Nigeria, Switzerland, Yemen, Jordan, Bulgaria, Netherlands, Qatar, Italy, Czech Republic, Saudi Arabia, Kazakhstan, Romania, Finland, Taiwan, Hong Kong, Azerbaijan, Belgium, Brazil, South Africa, Oman, Gambia, Kenya, Belarus, Norway.

Domestic Supply Stainless Steel Lap Joint Flanges

Faridabad, Thiruvananthapuram, Mumbai, New Delhi, Jaipur, Kanpur, Ernakulam, Kolkata, Noida, Ahmedabad, Visakhapatnam, Colombo, Navi Mumbai, Jamshedpur, Nashik, Surat, Bengaluru, Indore, Pimpri-Chinchwad, Gurgaon, Secunderabad, Chennai, Bhopal, Haryana, Thane, Pune, Rajkot, Nagpur, Hyderabad, Coimbatore, Howrah, Ludhiana, Ranchi, Chandigarh, Baroda, Vadodara.

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