153 CHECK VALVE / TRUE UNION BALL CHECK VALVE PARTS LIST MANUAL MANUAL TRUE UNION BALL CHECK VALVE . THE VALVE PARTS CAN BE REMOVED WITHOUT DISCONNECTING THE PIPES, BY LOOSENING THE UNIONS ON BOTH SIDES BASIC SPECIFICATIONS VALVE TYPE―――――――――――――― TRUE UNION BALL CHECK VALVE SIZE――――――――――――――――――――― 15 mm−50 mm (1/2 inch−2 inch) BODY MATERIAL――――――――― U-PVC C-PVC PP PVDF SEAL MATERIAL / SEAT――― EPDM FKM etc. CONNECTION / FLANGED――― JIS5K,JIS10K,DIN, ANSI 　　　　　 SOCKET――― JIS,DIN, ANSI 　　　　　 THREADED―― Rc,Rp, NPT 　　　　　 SPIGOT―――― DIN FLUID TEMPERATURE MAXIMUM WORKING PRESSURE (NORMAL TEMPERATURE) MPa{kgf/cm2} CONNECTION METHOD FLANGED SOCKET THREADED PVDF -20℃ 〜 100℃ 1.0｛10.2｝ ○ ○ ○ PP -20℃ 〜 80℃ 1.0｛10.2｝ ○ ○ ○ 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. PART NO. / NAME QTY MATERIAL 8 STOP RING (B)(2) 2 PVDF 9 SEAT 1 EPDM, FKM, etc. 10 O-RING 1 EPDM, FKM, etc. 4a RING (1) 2 SUS304 PART NO. / NAME QTY MATERIAL 1 BODY 1 U-PVC, C-PVC, PP, PVDF 2 BALL 1 3 END CONNECTOR 2 4 UNION NUT 2 5 STOP RING (A) 1 FLANGED SOCKET THREADED SPIGOT 3 8 4 9 5 1 2 10 3 4 9 5 1 2 10 4a 3 4 9 5 1 2 10 3a 3 4 9 5 1 2 10 NOTES (1) Used for 15 to 25 mm for C-PVC threaded type. (2) Used for flanged type.