Silent Check Valve Introduction This Silent Check Valve ensures quiet and efficient flow of fluids, preventing backflow and avoiding system damage. With its reliable design and durable construction, it is a trusted choice for industrial and commercial applications. The perfect solution for safe and seamless fluid management. Silent Check Valve Drawing Standard of implementation Category Details Type Flange Face to Face API609, BS5155, DIN3202, ISO5752 Flange DIN, BS, UNI, ISO, ANSI, AS, JIS Mounting Flange ISO5211 Working Pressure PN16 (200PSI) Application HVAC, Water Supply & Sewage, Food & Beverage, Chemical/ petrochemical processing, Power and Utilities, Paper and Pulp, Ship Building Standard Materials Of Main Parts NO PART NAME MATERIAL 1 Body Gg25 2 Guide pulley Ggg40 3 Plug Brass 4 O Ring Rubber 5 Guide Sleeve Brass 6 Sping Stainless Steel 7 Gasket Rubber 8 Disc Ggg40 Dimensions:(mm) DN L D D1 D2 b f Z-d 50 100 165 125 102 20 3 4-18 65 120 185 145 122 20 3 4-18 80 140 200 160 138 22 3 8-18 100 170 220 180 158 24 3 8-18 125 200 250 210 188 26 3 8-18 150 230 285 240 212 26 3 8-23 200 288 340 295 268 30 3 12-23 250 354 405 355 320 32 3 12-27 300 410 460 410 378 32 4 12-27