161 PART NO. / NAME QTY MATERIAL 1 BODY 1 U-PVC 2 BONNET 1 U-PVC 3 CYLINDER 1 U-PVC 4 PISTON 1 U-PVC 5 PLUG 1 U-PVC 6 SPRING SEAT 1 U-PVC 7 STOP RING 1 PVDF 8 ORIFICE 1 U-PVC 9 SEAT 1 EPDM, etc. 10 O-RING (A) 1 (15 - 20 mm) EPDM, etc. (1) 2 (25 - 100 mm) EPDM, etc. (1) PART NO. / NAME QTY MATERIAL 12 O-RING (C) 1 EPDM 13 O-RING (D) 1 EPDM 14 SLEEVE 1 C3604 15 CAP 1 U-PVC 16 KEY 2 PP (15 - 20mm) U-PVC (25 - 100mm) 19 THRUST RING 1 PP 20 SPRING (A) 1 SUS304* 21 SPRING (B) 1 SUS304* 23 WASHER (B) 1 U-PVC Flow direction Flow direction 15 mm . 20 mm 25 mm . 100 mm 26 13 24 12 19 3 17 10 5 8 9 1 11 15 2 20 13 29 28 15 14 12 19 16 10 1 27 2 18 25 22 20 23 21 4 3 6 7 5 9 8 14 4 23 16 21 6 7 (Type B, C, D) (Type A) BASIC SPECIFICATIONS VALVE TYPE―――――――――――――― CONSTANT FLOW VALVE SIZE――――――――――――――――――――― 15 mm, 20 mm, 25 mm, 50 mm, 80 mm, 100 mm (1/2 inch, 3/4 inch, 1 inch, 2 inch, 3 inch, 4 inch) BODY MATERIAL――――――――― U-PVC SEAL MATERIAL―――――――――― EPDM etc. CONNECTION / FLANGED――― JIS5K, JIS10K, DIN, ANSI HIGH PURITY SERIES―――― LUBRICANT FREE FLUID TEMPERATURE MAXIMUM WORKING PRESSURE (NORMAL TEMPERATURE) MPa{kgf/cm2} 15mm―80mm 100mm U-PVC 0℃ 〜 50℃ 1.0｛10.2｝ 0.5｛5.1｝ 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. CONSTANT FLOW VALVE . USE OF THE POWER OF THE FLUID ELIMINATES THE USE OF ANY POWER SOURCE, RESULTING IN POWER SAVING. . HIGH ACCURACY (WITHIN +/-6% OF FULL SCALE) AND LARGE RANGEABILITY (RATIO OF MAX. AND MIN. FLOW SETTING VALUES) . THE SET FLOW CAN BE CHANGED BY HANDLE OPERATION. CAN ALSO BE USED AS AN INHIBITOR VALVE (COMPLETE CLOSURE). . EQUIPPED WITH OPENING DEGREE INDICATOR THAT ALLOWS FOR CHECKING OF SET FLOW RATE (m3/hr). . THE WETTED PART USES CORROSION-RESISTANT AND LIGHTWEIGHT PLASTIC AND ELASTOMER. . USES SPRING (SUS304) FULLY COATED WITH FLUORORESIN HAVING ADEQUATE DURABILITY AND CHEMICAL RESISTANCE. 25mm, 50mm, 80mm, 100mm 15mm, 20mm MANUAL PART NO. / NAME QTY MATERIAL 11 O-RING (B) 1 EPDM, etc. 17 UNION NUT 1 U-PVC 18 NUT 1 ABS 24 HANDLE BASE 1 ABS 25 HANDLE COVER 1 PC 26 CROSS RECESSED RAISED COUNTERSUNK HEAD SCREW 4 SUS304 Used for 15 - 20 mm only. PART NO. / NAME QTY MATERIAL 22 WASHER (A) 1 U-PVC 27 HANDLE 1 PP 28 FASTENING SCREW 4 C3604 29 OPENING DEGREE INDICATOR 1 SET ABS, etc. Used for 25 - 100 mm only. PARTS LIST MANUAL NOTE (1) For FKM, complete closure is not available. * SUS304 is coated with fluororesin. OTHERS / CONSTANT FLOW VALVE