Description from ASME B16.11, BS3799.

Size from 1/8" to 4".

Pressure Rate: 2000#, 3000#, 6000#, 9000#.

Connection: SW, THR.

Material from carbon steel, stainless steel, alloy steel to API, ASME A105, A694, A350, A694, C22.8, St37.2.