... pressure:0~1000psi 4.high quality and low price 3PC Threaded End Stainless Steel Ball Valve 1)materials:ss304,ss3162) Full bore 3) Sizes: ... 4" - 4" 4) Working pressure: 1, 000psi 5) Threaded end: BSPT, NPT, DIN2999 6) Suitable for water, oil and ... valves, globe valves, check valves, ball valves, safety & relief valves, plug valve, forged steel valve, strainers, hydraulic control valves, and pressure ...