For Domestic (for India) Email: sales3@jfengg.com / Phone: +91 9833323564 / +91-22-6639 3672
For Export (for other than India) Email: export3@jfengg.com / Phone: +91-9833323751 / +91-22-23634937
JF Engineering Products LLP

ANSI/ASMI B16.5 SWRF Flanges - Stainless Steel ASTM A182 316L, 317L

SWRF Flanges

Inconel 625 SWRF Flanges, Monel 400 SWRF Flanges Stockist, Inconel 625 SWRF Flanges Exporter, Nickel 200 SWRF Flanges, UNS S32760 SWRF Flanges Stockist, UNS S32760 SWRF Flanges, Alloy 20 SWRF Flanges Manufacturer, UNS S31803 SWRF Flanges Stockist, Duplex 2205 SWRF Flanges, PED Approved SWRF Flanges, UNS S30400 SWRF Flanges Manufacturer

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.

PED Approved SWRF Flanges Exporter, 316 Stainless Steel SWRF Flanges, UNS S32750 SWRF Flanges, ASTM A182 SS 304 SWRF Flanges Supplier, ASTM A182 SS 304 SWRF Flanges, Inconel 600 SWRF Flanges, UNS S32750 SWRF Flanges Supplier, Alloy 20 SWRF Flanges, 316 Stainless Steel SWRF Flanges Stockist, Hastelloy C276 SWRF Flanges Stockist

Specification - ASME B16.5 SWRF Flanges
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

Dimension - ASME B16.5 SWRF Flanges
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
Weight Chart Of SWRF Flanges
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

Price List Of SWRF Flanges
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
Marking and Packing

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.


  • Wooden Boxes
  • Wooden Pallets
  • Shrink-Wrapped
  • Carton Boxes
  • Wooden Boxes
  • Marking and Packing
    Quality Assurance
    Quality Assurance

    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.


    Testing

    Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report


    • Positive Material Identification - PMI Testing
    • Chemical Analysis - Spectro Analysis
    • Mechanical Testing Such as Tensile, Elongation, Reduction of Area
    • Micro Test
    • Macro Test
    • Hardness Test
    • Pitting Resistance Test
    • Intergranular Corrosion (IGC) Test
    • Flaring Test
    • Flattening Test
    • Hydrostatic Test
    • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
    • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
    • Radiography Test
    • Dye Penetrant Test (DP Test)
    Testing
    SHIPPING POLICY
    SHIPPING POLICY

    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.


    Uses & Application

    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:


  • Construction
  • Bridges
  • Petrochemical Industry
  • Ship Building
  • Engineering
  • General Structural Purposes
  • Offshore and Onshore Services
  • Power Generation Industries
  • Food Processing Industries
  • Oil & Gas Industries
  • Sugar Industries
  • Long Radius Bend

    Our Products