All Stainless Steel Nitrogen Seal Valve
All Stainless Steel Nitrogen Seal ValveProduct overviewNominal diameter: DN20mm~150mmNominal pressure: 1.0, 1.6MpaMain material: HT200, ZG230 ~ 450 ZG1Cr18Ni9TiSpool, seat: 1Cr18Ni9Ti stellay alloy surfacingDesign standard: GB/T17213Structure length: GB12221-89Inspection standard: GB/T4213Flange standard: JIS B220, JB/...