149 PARTS LIST MANUAL 125 mm (5”), 150 mm (6”), 250 mm (10”), 300 mm (12”) 80 mm (3”), 100 mm (4”), 200 mm (8”) Center of flange Center of flow passage Flow direction 7 6 9 4 11 5 1 8 10 2 3 CHECK VALVE / WAFER CHECK VALVE WAFER CHECK VALVE . STRENGTH CONCERNS OF PLASTIC WAFER CHECK ARE RESOLVED USING STRESS ANALYSIS. . CORROSION RESISTANCE IS IMPROVED BY ALL-PLASTIC WETTED PART AND COATED SPRING. . WEIGHT IS 1/3 TO 1/5 OF THAT OF METAL TYPE. . STOPPER-INTEGRATED STRUCTURE ELIMINATES THE USE OF GASKET DURING PIPING, ALLOWING COST REDUCTION. BASIC SPECIFICATIONS VALVE TYPE――――――――――――――― WAFER CHECK VALVE SIZE―――――――――――――――――――――― 80 mm−300 mm (3 inch−12 inch) BODY MATERIAL―――――――――― U-PVC SEAL MATERIAL / O-RING―――― EPDM FKM CONNECTION / WAFER―――― JIS10K, DIN, ANSI OPTION――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――― SPRING RETURN WITH DRAIN PLUG FLUID TEMPERATURE MAXIMUM WORKING PRESSURE (NORMAL TEMPERATURE) MPa{kgf/cm2} 80mm―200mm 250mm, 300mm U-PVC 0℃ 〜 50℃ 1.0｛10.2｝ 0.6｛6.1｝ NOTES The maximum working pressure is the value including the water hammer pressure. Be careful that the maximum working pressure is not exceeded during use. * Concerning the allowable pressure for each temperature and material, see the technical documents at the end of this catalog. NOTE (1) Not used for standard type. PART NO. / NAME QTY MATERIAL 1 BODY 1 U-PVC 2 DISC 1 U-PVC 3 STOPPER 1 U-PVC 4 SHAFT 1 U-PVC PART NO. / NAME QTY MATERIAL 5 PLUG 1 U-PVC 6 BOLT 2 U-PVC 7 EYE BOLT 1 SS400 (Unichrome plating) 8 SPRING(1) 1 SWP-B (ETFE COATING) PART NO. / NAME QTY MATERIAL 9 O-RING (A) 3 EPDM, FKM 10 O-RING (B) 1 EPDM, FKM 11 O-RING (C) 1 EPDM, FKM NOTES FOR USE . The maximum working pressure is the value including the water hammer pressure. Be careful that the maximum working pressure is not exceeded during use. . The wafer check valve is most suited for water and sea water lines. When it is used for a chemical line, contact us to check the chemical resistance. . They can be used for both horizontal and vertical pipes, but make sure during installation that the arrow direction of the valve body is aligned with the flow direction of the fluid. MANUAL