Standard or Nonstandard:Standard Structure:Pressure Reducing Pressure:High, Low, Medium pressure Power:Manual Material:Cast iron, Carbon steel, Stainless steel Temperature of Media:High, Low, Medium, Normal temperature Media:Water, Steam Port Size:DN15-500 Application:General Item:dn350 Flanged PN16 Air High Pressure Reducing Valve Connection:Flange, Welded, Screw Body, Bonnet:Carbon Steel, Stainless Steel Seat, disc:2Cr13 Cylinder liner:2Cr13/25 Piston:2Cr13 Mebrane:1Cr18Ni9Ti Main valve spring:50CrVA Standard:ANSI, BS, DIN, JIS, GB Certificate:ISO, CE Show More