... 3) Sizes: 1/4" - 4" 4) Working pressure: 1, 000psi 5) Threaded end: BSPT, NPT, ... and steam We can supply a wide range of butterfly valves, gate valves, globe valves, check valves, ball valves, safety & relief valves, ... plug valve, forged steel valve, strainers, hydraulic control valves, and pressure reducing valves ...