Instrumentation Valves, Instrumentation Fittings, Tools manufacturer / supplier in China, offering Swageloktype 3500 Psi Stainless Steel 1/4 in. Female NPT Pressure Reducing Regulator, 250 to 3045 Psi High Pressure Low Pressure Swageloktype Stainless Steel 1/8 1/4 Od VCR Diaphragm Valve, Swageloktype 3000 Psi Stainless Steel 1/2 1/4 in. Od NPT Instrumentation Quick- Connects with Shutoff Valve and so on.