CharacteristicsBrass BodyNormally Closed / Normally OpenPrecision ForgingCompact StructureHigh stabilityTechnique ParametersDesign Specification BS5351 GB12237Pressure-Temperature Class ANSI B16. 34 GB9113Face-to-face Dimensions ANSI B16. 10 GB12221Flange Type and Dimensions ANSI B16. 5 JB / T79-94Butt-weld Joint ANSI B16. 25 GB12224Test and Inspection API 598 GB13927Part Name Material / CharacteristicsValve Body / Cover H65 BrassDiaphragm NBR / EPDM / VitonSealing Material NBR / EPDM / VitonCylinder 304Plunger Ass. 316lSpring 316Coil Class B, IP65Bolt 304Nut 304