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JF Engineering Products LLP


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.

Threaded Flange

JF Engineering Products LLP manufacturer & exporter of Threaded Flanges availbale in various forms and size, standards like ASME B16.5 flanges, ASME B16.47 Flanges.We also offer custom-made Threaded flanges that have been widely appreciated by our clients. Threaded Flange is usually confined to a special application. The main benefit of a Threaded Flange is that it can be assembled without welding which makes it perfect for extremely high pressure services. Sometimes a seal weld is also used in conjunction with the threaded connection of the Flange.

Dimension - ASME B16.5 Dimensions Threaded Flange


CL 150 300 600 900 1500 2500
49.2 54 54 52 52 57
110 125 125 150 150 160
12.7 15.9 17.5 28.6 28.6 35
14.3 17.5 23.9 35 35 41.4
50.8 50.8 50.8 50.8 50.8 50.8
79.4 88.9 88.9 101.6 101.6 108
H 16 25 27 41 41 48
17.6 26.6 33.4 47.4 47.4 54.4
4 4 4 4 4 4
15.9 19.1 19.1 25.4 25.4 25.4
Stud Bolts Diameter x Length
1/2 5/8 5/8 7/8 7/8 7/8
65 75 90 125 125 140
Other Diameters
NPS 1/2 3/4 1 2


  • Dimensions are in millimeters unless otherwise indicated.
  • The length of the Stud Bolt does not include the height of the chamfers (points).

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 Threaded Flange 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.

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