Electric two-seat control valve|ZAZN -price∣specification∣theory∣model∣selection∣file- Electric two-seat control valve|Electric two-seat control valve|Electric two-seat control valve

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DN(mm) （diameter of valve seat dn）			20				25	32	40	50	65	80	100	125	150	200
			(10)	(12)	(15)	(20)
Rated flow coefficient	Straight line		1.8	2.8	4.4	6.9	11	17.6	27.5	44	69	110	176	275	440	690
	Equal percentage		1.6	2.5	4	6.3	10	16	25	40	63	100	160	250	400	630
Rated travel (mm)			16					25			40			60
Nominal pressure PN(MPa)			1.0 1.6 4.0 6.4
Rated flow characteristics			Straight line, equal to percentage
Rated adjustable ratio			50
Allowed leakage		Single-seat	Hard sealing：IV level soft sealing：VI level
		Sleeve	Hard sealing：II level soft sealing：VI level
Working temperature t(centigrade)			-20~200 -40~250 -40~450 -60~450
Signal range （mA, DC）			0~10 4~20
Action mode			Power off power on
Operating environment temperature （centigrade）			Electric adjusting valve ：-20~70centigrade servo amplifier ：0~50centigrade
Using environment humidity			Electric adjusting valve：≤95% servo amplifier：≤85%
Power voltage			220V 50Hz 380V 50Hz 24AC/DC

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