Pipe Fittings & Flanges
Pipe Flanges - Types, Ratings and Facings
The full flange family from one supplier: weld neck (WN) for high-integrity joints; slip-on (SO) with two fillet welds as the economical general-service type; socket weld (SW) for small-bore high-pressure; threaded (TH) for no-welding maintenance; lap joint (LJ) with stub ends for rotating alignment
Specifications
- Types
- WN, SO, SW, TH, LJ + stub end, BL
- Size Range
- 1/2-24 inch
- Pressure Class
- Class 150 and 300 stocked, 600 on request
- Facings
- RF, FF, RTJ; EN 1092-1 form codes B1/B2/B3/D
- Materials
- ASTM A182 F304/304L, F316/316L, F321, duplex F51/F53, F44 (254 SMO), nickel alloys
- Standards
- ASME B16.5, EN 1092-1, GB/T 9124, JIS B2220
Product Overview
The full flange family from one supplier: weld neck (WN) for high-integrity joints; slip-on (SO) with two fillet welds as the economical general-service type; socket weld (SW) for small-bore high-pressure; threaded (TH) for no-welding maintenance; lap joint (LJ) with stub ends for rotating alignment; blind (BL) for closure. Facings: raised face (RF), flat face (FF) and ring-type joint; EN 1092-1 form codes B1/B2/B3/D specified at order.
Specifications and Standards
Types WN, SO, SW, TH, LJ+stub, BL; 1/2-24 inch; Class 150 and 300 stocked, 600 on request; facings RF/FF/RTJ; materials ASTM A182 F304/304L, F316/316L, F321, duplex F51/F53, F44 (254 SMO) and nickel alloys; standards ASME B16.5, EN 1092-1, GB/T 9124, JIS B2220.
Applications
Coordinated with your fittings and valves in one package: flange drilling matches the valve class, weld ends match the pipe schedule - one order, one certificate set.
Request a Quote
Send size, schedule or class, material grade and quantity to melinda@spai-steel.com - we reply with a confirmed supply proposal and lead time.