We're able to supply a full range of ASME B16.5:2017 class-300 threaded flanges from stock in galvanised carbon steel, this includes sizes between 1/2" and 2" NB with female BSPT taper threads.
All of our ASME B16.5 threaded flanges are 300lb (20 bar) pressure-rated and made of black (self-colour) ASTM A105 forged carbon steel and come with a raised face which increases the pressure on the gasket surface ensuring a solid seal, they also come with full 3.1 test certification which offers maximum traceability.