073 BUTTERFLY VALVE TYPE 57 BUTTERFLY VALVE / BUTTERFLY VALVE TYPE 57 . HIGH DURABILITY AND FLOW CHARACTERISTICS IN ADDITION TO EXCELLENT OPERABILITY THANKS TO 19-STEP FINE OPENING ADJUSTMENT . PLASTIC GEAR BOX WITH EXCELLENT CORROSION RESISTANCE . EASY SWITCHING FROM LEVER TYPE TO GEAR TYPE OR AUTOMATIC VALVE . HANDLE LEVER OPEN/CLOSE DIRECTION CAN BE CHANGED. PARTS LIST MANUAL DETAILS OF RING Note: When the body material is PP or PVDF, used for 250 - 350 mm. [LEVER TYPE] 17 24 186 182 23 157 7 183 2 1 21 16a 25 1a 183 185 7 1 3 2 184 158 8 157 6 8 22 6 3 185 184 19 18 16 [GEAR TYPE] COMPATIBLE ACTUATOR AUTOMATIC PNEUMATIC TYPE TA For detailed specifications, see P.124 ELECTRIC TYPE T For detailed specifications, see P.139 ELECTRIC TYPE S For detailed specifications, see P.133, 135 SPECIFICATION LIST MANUAL LEVER TYPE SIDE GEAR TYPE TOP GEAR TYPE ○ ○ ○ CHAIN TYPE LONG STEM TYPE FLOAT TYPE WITH LIMIT SWITCH ○ ○ ○ ○ * For other specifications, contact our sales office in your area. BASIC SPECIFICATIONS VALVE TYPE―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――――BUTTERFLY VALVE TYPE 57 SIZE / LEVER TYPE―――――――――――――――――――――――――40 mm−200 mm (1 1/2 inch−8 inch) 　　　 GEAR TYPE――――――――――――――――――――――――――――――40 mm−350 mm (1 1/2 inch−14 inch) BODY MATERIAL―――――――――――――――――――――――――――――――――――――― U-PVC PP PVDF SEAL MATERIAL / SEAT―――――――――――――――― EPDM FKM etc. CONNECTION / WAFER――――――――――――――――JIS10K, JIS5K, DIN, ANSI HIGH PURITY SERIES―――――――――――――――WETTED PARTS LUBRICANT FREE FLUID TEMPERATURE MAXIMUM WORKING PRESSURE (NORMAL TEMPERATURE) MPa{kgf/cm2} 40mm―250mm 300mm, 350mm U-PVC 0℃ 〜 50℃ 1.0｛10.2｝ 0.75｛7.7｝ PP - 20℃ 〜 80℃ 1.0｛10.2｝ 0.75｛7.7｝ PVDF - 20℃ 〜 120℃ 1.0｛10.2｝ 0.75｛7.7｝ NOTE 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. AUTOMATIC MANUAL PART NO. / NAME QTY MATERIAL 1 BODY BODY――――― DISC / SEAT BUSH U-PVC――――――――――― PP PP――――――――――――――――――― PP PVDF――――――――――――― PVDF 2 DISC 1 183 SEAT BUSH (A) 1 184 SEAT BUSH (B) 1 3 SEAT 1 EPDM, FKM, 6 O-RING (C) 1 etc. 185 O-RING (I) 4 7 STEM 1 SUS403, SUS316 8 STEM HOLDER (A) 1 PP 157 SET SCREW (F) 4 SUS304 PART NO. / NAME QTY MATERIAL 16 HANDLE (A) 1 PP 16a EMBEDDED HANDLE FITTING 1 SUS316L 17 HANDLE LEVER 1 PPG 18 PIN 1 PPG 19 SPRING 1 SUS304 21 BOLT (B) 1 SUS304 PART NO. / NAME QTY MATERIAL 22 LOCKING PLATE 1 PPG 23 SET SCREW (B) 4 SUS304 24 CAP (A) 1 PP 182 O-RING (H) 1 EPDM 186 WASHER WITH RUBBER 1 SUS304＋EPDM ONLY USED FOR LEVER TYPE PART NO. / NAME QTY MATERIAL 25 GEAR BOX 1 RESIN, etc. 28 BOLT (C) 4 SUS304 158 GASKET (L) 1 EPDM 1a RING 2 SS400 (Unichrome plating) When the body material is PP or PVDF, used for 250 - 350 mm. ONLY USED FOR GEAR TYPE