Pneumatic/Electric triple eccentric butterfly valve

ZSRWS - Pneumatic triple eccentric butterfly valve

ZDRWS - Electric triple eccentric butterfly valve

Material:

Valve plate and valve body - casting steel, stainless steel

Valve seat and valve stem - stainless steel

packing material - PTFE, flexbile graphite

Nominal diameter DN (mm)				80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1100	1200	1400	1500
Nominal flow coefficient	1.6MPa		60o opening	125	230	365	630	1100	1760	2450	3250	4270	5350	7000	10100	13650	17800	22400	28700	42600	55800	63500
	1.6MPa		90o opening	260	470	760	1300	2250	3600	5000	6700	8700	11000	14400	21000	28100	36500	45900	58800	87300	114200	130200
	4.0MPa		60o opening	110	210	325	550	1000	1630	2220	2960	3870	4900	6300	9810	12400	16200	20300	26003	38700	50800	57800
	4.0MPa		90o opening	185	330	530	910	1690	2700	3750	5360	7000	8800	11500	16800	25400	33200	41600	53300	77500	104100	118500
Rated travel				Regulate type:60 o, two position: 90 o
Flow characteristic				Equal percentage
Nominal pressure				1.6, 4.0MPa
rangeability				60 o 25:1 90 o 50:1
Product model		Pneumatic		ZSRWS with GTX, AL pneumatic actuator
Product model		Electric		ZDRWS with UNIC, PSQ, HQ, DHL electric actuator
Effect model				Pneumatic: open or close; Electric open or close
Flange standard				ANSI JIS DIN
Action type				Pneumatic: pneumatic to open or close; Electric: electric to open or close
Flange standard				JB78-59, JB79-59, JB/T79.1-94, JB/T79.2-94, ANSI, JIS, DIN