Flanges
Threaded (Screwed) Flange
Threaded flanges to ASME B16.5 with NPT or BSP threads for low-pressure lines where welding is not wanted, with Class 150 tables.

Specification
At a glance
- Dimensional standard
- ASME B16.5
- Pressure classes
- Class 150 · Class 300 · Class 600 · Class 900 · Class 1500 · Class 2500
- Types & ends
- NPT thread · BSP thread
- Facings
- Flat face (FF) · Raised face (RF) · Ring joint (RTJ)
- Grade
- ASTM A105N
- Also offered in
- Stainless steel 304/304L, 316/316L, 904L
- Hastelloy C22, Duplex 2205, Copper-nickel
- Carbon steel, Brass, Galvanized MS
Dimension tables
1 class · dimensions, weights, Excel
Carbon Steel
As published by Fortune Fittings Private Limited. Grade and availability are confirmed with each enquiry; confirm the governing standard, size and grade when ordering. Spotted a mistake? Please contact us.
Overview
Product overview
Threaded Flanges, also known as screwed flanges, are essential components in piping systems, particularly where low pressure and temperature conditions prevail and welding is not feasible or desired. These flanges are designed with threads on their inner bore, enabling them to connect pipes securely. Available in a range of materials including brass, stainless steel, carbon steel, and cast iron, threaded flanges come in both male and female versions with NPT or BSP threads.
Material and Price Range
The price of threaded flanges varies depending on the material and size. Brass is typically a lower-cost option, while stainless steel and carbon steel flanges are more expensive due to their enhanced strength and corrosion resistance.
Standard Specifications for Threaded Flanges
Threaded flanges are designed for connecting pipes using internal threads and are ideal for low-pressure, low-temperature applications where welding is not feasible. Available with flat face, raised face, and ring joint faces, they ensure a secure connection in diverse industries such as oil and gas, chemical, and petrochemical.
Conclusion
Threaded flanges from Fortune Fittings Private Limited offer versatile, reliable, and cost-effective solutions for connecting pipes in low-pressure applications.
Where it is used
Applications and service
Typical duty across the process industries we supply.
- Threaded flanges are commonly used in applications where low pressure and temperature conditions exist, such as in ANSI 150 and PN16 flange applications.
- They are ideal for situations where welding is impractical or undesirable.
- These flanges are widely used in industries such as oil and gas, chemical processing, and water treatment, where secure and reliable pipe connections are essential.
Related
Specified alongside this
Components that commonly appear with it on the same run, and the rest of the flanges range.
Used on the same lineSocket Weld FlangeSocket weld flanges to ASME B16.5 and BS 4504 for small-bore, high-pressure lines, in stainless and carbon steel, with Class 150 tables.View specifications
Used on the same lineSlip-On FlangeSlip-on flanges to ASME B16.5 and EN 1092-1, flat or raised face, with dimension tables for mild, carbon and stainless steel.View specifications
Used on the same lineWeld Neck FlangeWeld neck flanges to ASME B16.5, ASME B16.47 and EN 1092, including long weld neck, with tables for MS, carbon, stainless and Cr-Mo grades.View specifications
Same rangeBlind FlangeBlind flanges to ASME B16.5, ASME B16.47, BS 4504 and EN 1092-1, 1/2″ to 48″, with tables for MS, carbon, stainless and Cr-Mo grades.View specifications
Same rangeLap Joint FlangeLap joint flanges to ASME B16.5, EN 1092-1 and DIN 2642, used with a stub end, Class 150 to 600, with Class 150 dimension tables.View specifications
Same rangeForged FlangesForged slip-on, weld neck, socket weld and blind flanges to ASME B16.5 and B16.47 in carbon, stainless and alloy steel.View specifications
Where it is specified
Industries using this component
Sectors that commonly specify the Threaded Flange, and what else they take from us.
- RefineriesButtweld fittings, flanges and fabricated spools in carbon and alloy steel for crude, product and utility service.View sector
- Petrochemical PlantsDuplex, super duplex and stainless fittings and flanges for corrosive and high-pressure process service.View sector
- Power PlantsAlloy steel buttweld and forged fittings for high-temperature steam, feedwater and condensate circuits.View sector
Enquiries
Need a quotation for the Threaded Flange?
Send sizes, grades, quantities and the standard the component is specified to, and a sales engineer will come back with availability and pricing. Dimensions and schedules are in the Technical Catalog.
