Check Valves, Standard : API 6D / BS 1868

  check valves gas samplers, ball valves, sampling systems, gate valve manufacturer & exporter in china product details： nominal size: 1/8~3/4”(dn3~dn20) working pressures up to 3000 psig (207 bar) temperatures up to 375°f (190°c) open pressure: 0.7~25psig(0.05~1.7bar) body material: 316ss, alloy 400, titanium alloy available. seat material: fkm, nbr, epdm, viton, cr available. end connection: tube fitting, male and female npt and iso pipe. stainless steel needle valves, manifold valve, instrument valves.   .