Socket Weld Ring Flanges (SWRF) are integral to numerous piping configurations. They provide a highly effective solution for connecting different pipe sections or affixing pipes to other equipment, such as valves and heat exchangers. What sets the SWRF flange apart is the type of welding applied, namely the socket weld, which ensures a highly reliable bond between the flange and the pipe.
The structural integrity of SWRF flanges is a standout characteristic. The continuity of the material from the pipe to the flange, with no variance in thickness, guarantees a hard-wearing and resilient connection. This inherent strength makes it capable of withstanding diverse operational stresses, whether they be fluctuations in pressure, temperature variations, or vibrations.
Furthermore, SWRF flanges are known for their exceptional leak-prevention capacity. The socket weld forms an all-encompassing seal between the flange and the pipe, leaving no room for potential leakage. This leak-resistant quality is particularly advantageous in settings where the containment of high-pressure or hazardous substances is a must.
Another noteworthy attribute of the SWRF flange is its ability to ensure the precise alignment of connected components. In intricate piping setups, where exact alignment is essential, the socket weld design allows the pipe to be perfectly positioned within the flange before the welding process, resulting in a finely tuned connection.
SWRF flanges can be manufactured from a broad spectrum of materials, each selected according to the application's specific needs. Steel variants like carbon, stainless, and alloy steels are common, but other materials such as copper, brass, or even plastic are also used depending on factors like operating temperature, pressure levels, and the type of fluids in the system.
SWRF flanges are an adaptable and reliable choice for various piping systems. Their notable structural resilience, superior leak protection, alignment precision, and range of material options make them a viable solution for numerous applications. However, the use of SORF flanges should be evaluated based on the unique demands and limitations of the system in question.
Size: | 1/2"NB TO 24"NB IN |
Class: | 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS DIN Standard ND-6,10, 16, 25, 40 Etc. |
Materials: | Monel : Grade: Monel 400, Monel K500, Monel R-405 Nickel : Grade: Nickel 200, Nickel 201 Inconel : Grade: Inconel 600, Inconel 601, Inconel 625, Inconel 718 Incoloy : Grade: Incoloy 800, Inconel 800H, 800HT Hastalloy : Grade: Hastalloy B2, Hastalloy B3, Hastalloy C22, Hastalloy C276, Hastalloy X Titanium : Grade: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11 Stainless Steel : Grade: ASTM A182 F202, F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L Carbon Steel : Grade: ASTM A105/A105N, A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, A694 F42, F46, F48, F50, F52, F56, F60, F65, F70, A516.60, 65, 70 (Spectacle Blind Flange, Spacer Ring/Spade Flange), Steel RST37.2, C22.8 Duplex Steel: Grade: ASTM / ASME A/SA 182 UNS F44, F45, F51, F53, F55, F60, F61 Alloy Steel: Grade : ASTM A182 F1, F5, F9, F11, F22, F91 |
Value Added Service: | CNC Machine, Customized Flanges |
Coating/Surface Treatment: | Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
Nominal Size | Outside Diam. | Thick. of Flange | Diam. of Raised Face | Diam of Hub at Base | Length Thru Hub | Diam. of Bore | Depth of Socket | No. of Holes | Diam. of Holes | Approx. Weight Pounds Kg | |
O | C | R | X | Y | B | D | |||||
1/2″ | in. | 3.5 | 0.44 | 1.38 | 1.19 | 0.62 | 0.88 | 0.38 | 4 | 0.62 | 1 |
mm. | 88.9 | 11.2 | 35.1 | 30.2 | 15.7 | 22.4 | 9.7 | 15.7 | 0.5 | ||
3/4″ | in. | 3.88 | 0.5 | 1.69 | 1.5 | 0.62 | 1.09 | 0.44 | 4 | 0.62 | 2 |
mm. | 98.6 | 12.7 | 42.9 | 38.1 | 15.7 | 27.7 | 11.2 | 15.7 | 1 | ||
1″ | in. | 4.25 | 0.56 | 2 | 1.94 | 0.69 | 1.36 | 0.5 | 4 | 0.62 | 2 |
mm. | 108 | 14.2 | 50.8 | 49.3 | 17.5 | 34.5 | 12.7 | 15.7 | 1 | ||
1 1/4″ | in. | 4.62 | 0.62 | 2.5 | 2.31 | 0.81 | 1.7 | 0.56 | 4 | 0.62 | 3 |
mm. | 117.3 | 15.7 | 63.5 | 58.7 | 20.6 | 43.2 | 14.2 | 15.7 | 1 | ||
1 1/2″ | in. | 5 | 0.69 | 2.88 | 2.56 | 0.88 | 1.95 | 0.62 | 4 | 0.62 | 3 |
mm. | 127 | 17.5 | 73.2 | 65 | 22.4 | 49.5 | 15.7 | 15.7 | 1 | ||
2″ | in. | 6 | 0.75 | 3.62 | 3.06 | 1 | 2.44 | 0.69 | 4 | 0.75 | 5 |
mm. | 152.4 | 19.1 | 91.9 | 77.7 | 25.4 | 62 | 17.5 | 19.1 | 2 | ||
2 1/2″ | in. | 7 | 0.88 | 4.12 | 3.56 | 1.12 | 2.94 | 0.75 | 4 | 0.75 | 7 |
mm. | 177.8 | 22.4 | 104.6 | 90.4 | 28.4 | 74.7 | 19.1 | 19.1 | 3 | ||
3″ | in. | 7.5 | 0.94 | 5 | 4.25 | 1.19 | 3.57 | 0.81 | 4 | 0.75 | 8 |
mm. | 190.5 | 23.9 | 127 | 108 | 30.2 | 90.7 | 20.6 | 19.1 | 4 | ||
3 1/2″ | in. | 8.5 | 0.94 | 5.5 | 4.81 | 1.25 | 4.07 | 8 | 0.75 | 11 | |
mm. | 215.9 | 23.9 | 139.7 | 122.2 | 31.8 | 103.4 | 19.1 | 5 | |||
4″ | in. | 9 | 0.94 | 6.19 | 5.31 | 1.31 | 4.57 | 8 | 0.75 | 13 | |
mm. | 228.6 | 23.9 | 157.2 | 134.9 | 33.3 | 116.1 | 19.1 | 6 | |||
5″ | in. | 10 | 0.94 | 7.31 | 6.44 | 1.44 | 5.66 | 8 | 0.88 | 15 | |
mm. | 254 | 23.9 | 185.7 | 163.6 | 36.6 | 143.8 | 22.4 | 7 | |||
6″ | in. | 11 | 1 | 8.5 | 7.56 | 1.56 | 6.72 | 8 | 0.88 | 19 | |
mm. | 279.4 | 25.4 | 215.9 | 192 | 39.6 | 170.7 | 22.4 | 9 | |||
8″ | in. | 13.5 | 1.12 | 10.62 | 9.69 | 1.75 | 8.72 | 8 | 0.88 | 30 | |
mm. | 342.9 | 28.4 | 269.7 | 246.1 | 44.5 | 221.5 | 22.4 | 14 | |||
10″ | in. | 16 | 1.19 | 12.75 | 12 | 1.94 | 10.88 | 12 | 1 | 43 | |
mm. | 406.4 | 30.2 | 323.9 | 304.8 | 49.3 | 276.4 | 25.4 | 20 | |||
12″ | in. | 19 | 1.25 | 15 | 14.38 | 2.19 | 12.88 | 12 | 1 | 64 | |
mm. | 482.6 | 31.8 | 381 | 365.3 | 55.6 | 327.2 | 25.4 | 29 | |||
14″ | in. | 21 | 1.38 | 16.25 | 15.75 | 2.25 | 14.14 | 12 | 1.12 | 90 | |
mm. | 533.4 | 35.1 | 412.8 | 400.1 | 57.2 | 359.2 | 28.4 | 41 | |||
16″ | in. | 23.5 | 1.44 | 18.5 | 18 | 2.5 | 16.16 | 16 | 1.12 | 98 | |
mm. | 596.9 | 36.6 | 469.9 | 457.2 | 63.5 | 410.5 | 28.4 | 44 | |||
18″ | in. | 25 | 1.56 | 21 | 19.88 | 2.69 | 18.18 | 16 | 1.25 | 130 | |
mm. | 635 | 39.6 | 533.4 | 505 | 68.3 | 461.8 | 31.8 | 59 | |||
20″ | in. | 27.5 | 1.69 | 23 | 22 | 2.88 | 20.2 | 20 | 1.25 | 165 | |
mm. | 698.5 | 42.9 | 584.2 | 558.8 | 73.2 | 513.1 | 31.8 | 75 | |||
24″ | in. | 32 | 1.88 | 27.25 | 26.12 | 3.25 | 24.25 | 20 | 1.38 | 220 | |
mm. | 812.8 | 47.8 | 692.2 | 663.4 | 82.6 | 616 | 35.1 | 100 |
Nominal Size | Outside Diam. | Thick. of Flanges | Diam. of Raised Face | Diam of Hub at Base | Lengtd Thru Hub | Diam. of Bore | Deptd of Socket | No. of Holes | Diam. of Holes | Diam. of Bolts | Diam. of Bolt Circle | Approx. Weight Pounds Kg | |
O | C | R | X | Y | B | D | |||||||
1/2" | in. | 3.5 | 0.44 | 1.38 | 1.19 | 0.62 | 0.88 | 0.38 | 4 | 0.62 | 1/2 | 2.38 | 1 |
mm. | 88.9 | 11.2 | 35.1 | 30.2 | 15.7 | 22.4 | 9.7 | 15.7 | 12.7 | 60.5 | 0.5 | ||
3/4" | in. | 3.88 | 0.5 | 1.69 | 1.5 | 0.62 | 1.09 | 0.44 | 4 | 0.62 | 1/2 | 2.75 | 2 |
mm. | 98.6 | 12.7 | 42.9 | 38.1 | 15.7 | 27.7 | 11.2 | 15.7 | 12.7 | 69.9 | 1 | ||
1" | in. | 4.25 | 0.56 | 2 | 1.94 | 0.69 | 1.36 | 0.5 | 4 | 0.62 | 1/2 | 3.12 | 2 |
mm. | 108 | 14.2 | 50.8 | 49.3 | 17.5 | 34.5 | 12.7 | 15.7 | 12.7 | 79.2 | 1 | ||
1 1/4" | in. | 4.62 | 0.62 | 2.5 | 2.31 | 0.81 | 1.7 | 0.56 | 4 | 0.62 | 1/2 | 3.5 | 3 |
mm. | 117.3 | 15.7 | 63.5 | 58.7 | 20.6 | 43.2 | 14.2 | 15.7 | 12.7 | 88.9 | 1 | ||
1 1/2" | in. | 5 | 0.69 | 2.88 | 2.56 | 0.88 | 1.95 | 0.62 | 4 | 0.62 | 1/2 | 3.88 | 3 |
mm. | 127 | 17.5 | 73.2 | 65 | 22.4 | 49.5 | 15.7 | 15.7 | 12.7 | 98.6 | 1 | ||
2" | in. | 6 | 0.75 | 3.62 | 3.06 | 1 | 2.44 | 0.69 | 4 | 0.75 | 5/8 | 4.75 | 5 |
mm. | 152.4 | 19.1 | 91.9 | 77.7 | 25.4 | 62 | 17.5 | 19.1 | 15.9 | 120.7 | 2 | ||
2 1/2" | in. | 7 | 0.88 | 4.12 | 3.56 | 1.12 | 2.94 | 0.75 | 4 | 0.75 | 5/8 | 5.5 | 7 |
mm. | 177.8 | 22.4 | 104.6 | 90.4 | 28.4 | 74.7 | 19.1 | 19.1 | 15.9 | 139.7 | 3 | ||
3" | in. | 7.5 | 0.94 | 5 | 4.25 | 1.19 | 3.57 | 0.81 | 4 | 0.75 | 5/8 | 6 | 8 |
mm. | 190.5 | 23.9 | 127 | 108 | 30.2 | 90.7 | 20.6 | 19.1 | 15.9 | 152.4 | 4 | ||
3 1/2" | in. | 8.5 | 0.94 | 5.5 | 4.81 | 1.25 | 4.07 | 8 | 0.75 | 5/8 | 7 | 11 | |
mm. | 215.9 | 23.9 | 139.7 | 122.2 | 31.8 | 103.4 | 19.1 | 15.9 | 177.8 | 5 | |||
4" | in. | 9 | 0.94 | 6.19 | 5.31 | 1.31 | 4.57 | 8 | 0.75 | 5/8 | 7.5 | 13 | |
mm. | 228.6 | 23.9 | 157.2 | 134.9 | 33.3 | 116.1 | 19.1 | 15.9 | 190.5 | 6 | |||
5" | in. | 10 | 0.94 | 7.31 | 6.44 | 1.44 | 5.66 | 8 | 0.88 | 3/4 | 8.5 | 15 | |
mm. | 254 | 23.9 | 185.7 | 163.6 | 36.6 | 143.8 | 22.4 | 19.1 | 215.9 | 7 | |||
6" | in. | 11 | 1 | 8.5 | 7.56 | 1.56 | 6.72 | 8 | 0.88 | 3/4 | 9.5 | 19 | |
mm. | 279.4 | 25.4 | 215.9 | 192 | 39.6 | 170.7 | 22.4 | 19.1 | 241.3 | 9 | |||
8" | in. | 13.5 | 1.12 | 10.62 | 9.69 | 1.75 | 8.72 | 8 | 0.88 | 3/4 | 11.75 | 30 | |
mm. | 342.9 | 28.4 | 269.7 | 246.1 | 44.5 | 221.5 | 22.4 | 19.1 | 298.5 | 14 | |||
10" | in. | 16 | 1.19 | 12.75 | 12 | 1.94 | 10.88 | 12 | 1 | 7/8 | 14.25 | 43 | |
mm. | 406.4 | 30.2 | 323.9 | 304.8 | 49.3 | 276.4 | 25.4 | 22.2 | 362 | 20 | |||
12" | in. | 19 | 1.25 | 15 | 14.38 | 2.19 | 12.88 | 12 | 1 | 7/8 | 17 | 64 | |
mm. | 482.6 | 31.8 | 381 | 365.3 | 55.6 | 327.2 | 25.4 | 22.2 | 431.8 | 29 | |||
14" | in. | 21 | 1.38 | 16.25 | 15.75 | 2.25 | 14.14 | 12 | 1.12 | 1 | 18.75 | 90 | |
mm. | 533.4 | 35.1 | 412.8 | 400.1 | 57.2 | 359.2 | 28.4 | 25.4 | 476.3 | 41 | |||
16" | in. | 23.5 | 1.44 | 18.5 | 18 | 2.5 | 16.16 | 16 | 1.12 | 1 | 21.25 | 98 | |
mm. | 596.9 | 36.6 | 469.9 | 457.2 | 63.5 | 410.5 | 28.4 | 25.4 | 539.8 | 44 | |||
18" | in. | 25 | 1.56 | 21 | 19.88 | 2.69 | 18.18 | 16 | 1.25 | 1 1/8 | 22.75 | 130 | |
mm. | 635 | 39.6 | 533.4 | 505 | 68.3 | 461.8 | 31.8 | 28.6 | 577.9 | 59 | |||
20" | in. | 27.5 | 1.69 | 23 | 22 | 2.88 | 20.2 | 20 | 1.25 | 1 1/8 | 25 | 165 | |
mm. | 698.5 | 42.9 | 584.2 | 558.8 | 73.2 | 513.1 | 31.8 | 28.6 | 635 | 75 | |||
24" | in. | 32 | 1.88 | 27.25 | 26.12 | 3.25 | 24.25 | 20 | 1.38 | 1 1/4 | 29.5 | 220 | |
mm. | 812.8 | 47.8 | 692.2 | 663.4 | 82.6 | 616 | 35.1 | 31.8 | 749.3 | 100 |
Stainless Steel SWRF Flanges | USD $2.07 - $10.08 / Piece (FOB Price) on request |
High Nickel Alloys SWRF Flanges | USD $8.12 - $20.22 / Piece (FOB Price) on request |
Duplex & Super Duplex SWRF Flange | USD $10.22 - $35.52 / Piece (FOB Price) on request |
Cupro Nickel SWRF Flanges | USD $5.21 - $10.50 / Piece (FOB Price) on request |
Carbon Steel SWRF Flanges | USD $2.10 - $7.12 / Piece (FOB Price) on request |
Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All pipes are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.
At JF Engineering Products LLP, all fasteners are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.
Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report
Delivery time and delivery dates are based on the "type and quantity" of steel ordered. Our sales team will provide a delivery schedule when quoting to you. On rare occasions the delivery schedule may change so please check with our sales department when placing any orders.
Orders will be sent out within 2-3 business days, and may take up to 5-10 business days in transit. If fastener is out of stock, orders may take up to 2-4 weeks to ship. JF Engineering Products LLP will notify buyer if this situation occurs.
JF Engineering Products LLP take immensure pleasure in introducing itself as one of the leading Manufacturer & Exporter of high quality fasteners to meet the customer ultimate requirements in the fields of: