53 WAFER CHECK VALVE 100mm - 300mm(4inch - 12inch) FEATURES To Solve various problems by existing stainless steel or plastic check valves. Slim profile permits easy installation. (Wafer style fits between 2-mating flanges.) Horizontal or vertical valve installation. (The space ring not required.) No bolt pattern permits installation using DIN, ANSI and JIS mating flanges. No pipe interference with disc and no external shaft. SPECIFICATIONS Body material Unplasticized Polyvinyl Chloride (PVC) Nominal Size 100mm(4 inch) . 300mm(12 inch) Working Temperature PVC:0℃- 50℃ (30°F - 120°F) Max. Working Pressure 100mm(4 inch) . 300mm(12 inch) WORKING PRESSURE VS. TEMPERATURE {10.2} 1.0 0.5 0.0 {5.1} {10.2} 1.0 0.5 0.0 {5.1} PVC PVC 60 80 100 120 [150] [70] -40 -20 0 20 40 （-40） （-5） （30） （70） （105） （140） （175） （210） （250） Temperature℃（゜F） 60 80 100 120 [150] [70] -40 -20 0 20 40 （-40） （-5） （30） （70） （105） （140） （175） （210） （250） Temperature℃（゜F） PVC PVC Nominal Size100mm-200mm(4-8inch) Working Pressure MPa{kgf/cm2}[PSI] Working Pressure MPa{kgf/cm2}[PSI] Nominal Size250mm-300mm(10-12inch) Note : *No8 Spring is an option, not standard. PARTS & MATERIALS No. DESCRIPTION Pcs. MATERIAL REMARKS �@ BODY 1 PVC �A DISC 1 �B STOPPER 1 �C SHAFT 1 �D SHAFT PLUG 1 �E BOLT 2 �F I BOLT 1 CHROMZED STEEL (SS400) Unichrome �G SPRING 1 SWP-B ETFE Coating �H O-RING (A) 3 EPDM FKM �I O-RING (B) 1 �J O-RING (C) 1 DIMENSIONS TABLE JIS Unit:mm Nominal Size JIS 10K d D L . mm inch C n 100 4 175 8 52 175 70 31.6 150 6 240 8 92 220 82 59.7 200 8 290 12 132 279 101 86.7 250 10 355 12 177 333 114 120.5 300 12 400 16 217 378 115 155.5 DIN Unit:mm Nominal Size DIN PN10 d D L . mm inch C n 100 4 180 8 52 175 70 31.6 150 6 240 8 92 220 82 59.7 200 8 295 8 132 279 101 86.7 250 10 350 12 177 330 114 120.5 300 12 400 12 217 380 115 155.5 ANSI Unit:mm Nominal Size ANSI Class 150 d D L . mm inch C n 100 4 7.50 8 2.05 6.89 2.76 1.24 150 6 9.51 8 3.62 8.74 3.23 2.35 200 8 11.75 8 5.20 10.98 3.98 3.41 250 10 14.25 12 6.97 13.39 4.49 4.74 300 12 17.01 16 8.54 12.99 4.53 6.12 MINIMUM SEAL PERFORMANCE DI Unit: kPa {gf/cm2} [PSI] Nominal Size Vertical Piping Horizontal Piping mm inch Shut the Disc Open the Disc Shut the Disc Open the Disc Standard 100-300 4-12 7.0 {70.0} [1.0] 0.7 {7.0} [0.1] 7.0 {70.0} [1.0] 0.07 {0.7} [0.01] Spring Type 100-300 4-12 7.0 {70.0} [1.0] 1.4 {14.0} [0.2] 7.0 {70.0} [1.0] 0.07 {0.7} [0.01] Note: Data mentioned in the table above is reference only. DIMENSIONS n E−E C P.C. D. 6 4 11 5 150mm(6”)&250mm(10”)&300mm(12”) . L E Flange Center Path Center FLOW Flange Center φｄ（Path Center） φD（Flange Center） 7 9 1 8 10 2 3 n C P.C.D. 100mm(4”)&200mm(8”) DIAPHRAGM VALVE BUTTERFLY BALL VALVE VALVE SWING CHECK VALVE BALL CHECK, BALL FOOT VALVE AUTOMATIC WATER GATE VALVE GAUGE VALVE STOP VALVE FEEDING VALVE ROTARY ANGLE VALVE CONSTANT FLOW ALFALFA VALVE VALVE Y-SEDIMENT NEEDLE VALVE STRAINER AIR RELEASE VALVE WAFER CHECK VALVE