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

Flanges

JF Engineering Products LLP manufacturer & exporter of Flanges availbale in various forms and size, standards like ASME B16.5 flanges, ASME B16.47 Flanges and ASME B16.36 flanges.These all standards availble in all type of flanges like Weld Neck Flanges, Blind Flanges, Spectacle Blind flanges, Slip on flanges, Orifice flanges and Threaded Flanges etc.

We have specialization to manufacture customized Flange per customers’ specifications, we welcome small quantity order.

Long Weld Neck Flange

JF Engineering Products LLP is Manufacturer, Stockists & Supplier of premium quality range of Screwed Flanges, Stainless Steel Flanges & Other Stainless Steel Pipe fittings that are manufactured under the expert guidance of our diligent workforce.

we are highly experienced company in Screwed Flanges & other pipe fittings. our Screwed Flanges & Other Fitting products are manufactured using quality material and go through a rigorous quality check at all stages of production to ensure quality.



Dimension - ASME B16.5 Long Weld Neck Flange

Class 400 Standard Connections Flanges

Size     Flange     Barrel OD     Bolting     Nut     Stud Bolt     Weights           Length
Nom Bore LWN & E Bore HB OD Thk. RF of OD LWN HB E # ofHoles Hole Size Bolt Circle Stop Dia Relief Dia Relief Length Size RF Length RTJ Length LWN   HB   E   Base
  B T D D D     C NS NR NL       Base Per  1" Base Per  1" Base Per  1"
 1/2 0.5 0.55 3.75 0.56 1.38 1.5 1.75 3.75 4 0.62 2.62 1.75 1.5 0.75  1/2 3    3    5 0.4 7 0.6 24 3.1 9
 3/4 0.75 0.74 4.62 0.62 1.69 1.88 2.19 4.62 4 0.75 3.25 2.19 1.88 0.88  5/8 3 1/2 3 1/2 8 0.7 11 0.9 37 4.6 9
1 1 0.96 4.88 0.69 2 2.12 2.44 4.88 4 0.75 3.5 2.44 2.12 0.88  5/8 3 1/2 3 1/2 9 0.8 12 1.1 40 5.1 9
1 1/4 1.25 1.28 5.25 0.81 2.5 2.5 2.81 5.25 4 0.75 3.88 2.81 2.5 0.88  5/8 3 3/4 3 3/4 13 1 15 1.4 45 5.8 9
1 1/2 1.5 1.5 6.12 0.88 2.88 2.75 3.25 6.12 4 0.88 4.5 3.25 2.75 1  3/4 4 1/4 4 1/4 16 1.2 21 1.9 61 7.8 9
2 2 1.94 6.5 1 3.62 3.31 3.94 6.5 8 0.75 5 3.94 3.31 0.88  5/8 4 1/4 4 1/4 20 1.5 29 2.6 68 8.5 9
2 1/2 2.5 2.32 7.5 1.12 4.12 3.94 4.63 7.5 8 0.88 5.88 4.63 3.94 1  3/4 4 3/4 4 3/4 27 2.1 39 3.6 88 11 9
3 3 2.9 8.25 1.25 5 4.62 5.38 8.25 8 0.88 6.62 5.38 4.62 1  3/4 5    5    36 2.7 50 4.6 104 13 9
3 1/2 3.5 3.36 9 1.38 5.5 5.25 5.81 9 8 1 7.25 5.81 5.25 1.12  7/8 5 1/2 5 1/2 45 3.4 61 5.5 116 15 9
4 4 3.83 10 1.38 6.19 5.75 6.44 10 8 1 7.88 6.44 5.75 1.12  7/8 5 1/2 5 1/2 65 3.8 93 6.5 197 19 12
5 5 4.81 11 1.5 7.31 7 7.81 11 8 1 9.25 7.81 7 1.12  7/8 5 3/4 5 3/4 88 5.3 127 9.1 229 22 12
6 6 5.76 12.5 1.62 8.5 8.12 9.19 12.5 12 1 10.62 9.19 8.12 1.12  7/8 6 6    110 6.7 169 12 286 27 12
8 8 7.62 15 1.88 10.62 10.25 11.38 15 12 1.12 13 11.38 10.25 1.25 1    6 3/4 6 3/4 154 9.1 233 17 379 36 12
10 10 9.56 17.5 2.12 12.75 12.62 13.44 17.5 16 1.25 15.25 13.44 12.62 1.38 1 1/8 7 1/2 7 1/2 218 13 298 21 475 46 12
12 12 11.38 20.5 2.25 15 14.75 15.75 20.5 16 1.38 17.75 15.75 14.75 1.5 1 1/4 8    8    285 16 401 28 627 62 12
14 14 14 23 2.38 16.25 16.75 18.25 23 20 1.38 20.25 18.25 16.75 1.5 1 1/4 8 1/4 8 1/4 336 19 467 32 758 74 12
16 16 16 25.5 2.5 18.5 19 20.31 25.5 20 1.5 22.5 20.31 19 1.62 1 3/8 8 3/4 8 3/4 418 23 542 37 884 88 12
18 18 18 28 2.62 21 21 22.56 28 24 1.5 24.75 22.56 21 1.62 1 3/8  9 9    482 26 645 43 1033 102 12
20 20 20 30.5 2.75 23 23.12 24.63 30.5 24 1.62 27 24.63 23.12 1.75 1 1/2  9 1/2 9 3/4 568 30 759 50 1165 118 12
24 24 24 36 3 27.62 27.62 29.25 36 24 1.88 32 29.25 27.62 2 1 3/4 10 1/2 11    804 42 1040 67 1540 160 12

Dimensions are in inches. Weights are in pounds.

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 flanges are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.

Quality Assurance

At JF Engineering Products LLP, all fittings and flanges 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.

Test Certificates

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

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 Flange 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 ASME B16.5 Long Weld Neck Flanges to meet the customer ultimate requirements in the fields of:

Chemical Oil Mills Petrochemical Mining Refineries Construction
Fertilizers Shipbuilding Power Plant Steel Plant Nuclear Power Offshore
Oil & Gas Defence Paper Ports Breweries Railway
Cement Engineering Co. Sugar & Government Org. etc.

Our Products