Detailed Product Description 2/2 way piston operated angle seat valves for neutral and aggressive liquids and gasesOrifice Size: 15mm, 20mm, 25mm, 32mm, 40mm, 50mmOperation: Double ActingActing Type: Normally Closed , Normally OpenPort Size: G1/2'', G3/4'', G1'', G1-1/4'', G1-1/2'', G2''Pressure: 0~1.6MpaMedium Temperature: -10~180oCMaterial of body: Stainless steel or Tin Bronze