Product Name: Automatic Hydraulic Control Valve Model NO.: ST-CV01/02 Type: Self-Operated Material: Ductile Iron Power: Hydraulic Connection Mode: Flange Standard: Standard Media: Water Certification: ISO9001 Trademark: SITG Transport Package: Plywood Case Specification: 2"-4", DN50-DN300 Origin: Hebei HS Code: 8481100001 Product Description Pressure regulating valve for IrrigationDesign: Diaphragm typeUsage: General water works, Irrigation,Fire protection system etc. By equiped with accessaries, can be archived to be float control valve, eletric float control valve,attitude control valve, pump protection valve, pressure rducing valve, pressure relief/sustaining valveMaterails: Body & Cover: Ductile iron, Fusion Bond Epoxy coating 250 micron Diaphragm Disc: NBR/EPDM with reinforcementSize: 2"-4" threaded in BSP/BSPT, NP/NPT DN50-DN300 flanged according to EN1092-2 or ANSI class 150 / AWWA flangeSpecial specs. request available upon request