Magnetic valve, VZWM Series

Brand :

FESTO

Product Description

Connection, valve		G 1/4	G 3/8	G 1/2	G 3/4	G 1	G 1 1/4	G 1 1/2	G 2
Nominal size DN (housing: brass) [mm]		13.5	13.5	13.5	27.5	27.5	40	40	50
Nominal size DN (housing: stainless steel casting) [mm]		13	13	13	25	25	40	40	50
Valve function		2/2, single solenoid
Constructional design		Poppet valve with diaphragm control
Sealing principle		Soft
Actuation type		Electrical
Reset method		Pneumatic spring
Control type		Piloted
Direction of flow		Non-reversible
Exhaust function		No flow control
Manual override		None
Type of mounting		In-line installation
Mounting position		Preferably vertical
Standard nominal flow rate [l/min]		1400	2100	2400	10000	11700	24000	26400	31000
Flow rate Kv [m³/h]		1.6	2	2.4	8.5	10.7	21.3	27.4	39
C value [l/sbar]		6	8.8	9.8	39	41	75	82	110
b value		0.3	0.35	0.37	0.5	0.57	0.6	0.67	0.68
Differential pressure [bar]		0.5	0.5	0.5	0.5	0.7	0.7	0.7	0.7
Materials	Housing	Brass or stainless steel casting
	Diaphragm	NBR
	Plunger tube	High-alloy steel
Note on materials		Contains paint wetting impairment substances
Max. tightening torque [Nm]	Connecting thread	35	60	105	200	350	450	540	620
	Cover screw	20	20	20	30	30	30	30	30
	Coil mounting	2	2	2	2	2	2	2	2