GRAT Control Valve、ELECTRIC ACTUATOR、ELECTRIC BUTTERFLY VALVE、ELECTRIC BALL VALVE、ELECTRIC CONTROL VALVE

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How to choose actuator torque by valve size
Torque is an essential parameter indicating the power to drive the valve open or close.It depends on the valve size,working pressure,etc and is measured by factory test.
Grat offers the table of size and torque as a solution.

Type		EA20	EA50	EA100	EA200	EA400	EA600	EA1000	EA1500	EA2000
Characteristics		EA20	EA50	EA100	EA200	EA400	EA600	EA1000	EA1500	EA2000
Output torque		20NM	50NM	100NM	200NM	400NM	600NM	1000NM	1500NM	2000NM
Action time(S)		10/20	4/10 20/60	4/7 15/30/60	6/15 30/60	6/15 30/60	45	15/30	48	60/75
Gyration angle		0-90° 0-360°	0-90° 0-360°	0-90° 0-360°	0-90°	0-90°	0-90°	0-90°	0-90°	0-90°
Motor power (W)	AC220V	6	10	25	40	90	90	120	140	140
	AC380V	-------	6	15	30	40	40	90	100	--------
	DC24V	8	13	25	35	70	70	---------	---------	----------
Rated current(A)	AC220V	0.16	0.16	0.32	0.35	0.54	0.64	0.96	0.98	1.03
	AC380V	---------	0.07	0.1	0.15	0.29	0.29	0.45	0.46	---------
	DC24V	0.7	1.28	2.03	3.57	5.13	3.04	---------	--------	--------
Weight(Kg)		1.2	2.5	3.5	8	8.5	9	17	18	20
For ball valve		DN15-25	DN15-40	DN50- 65	DN80- 125	DN125-200	DN200- 300	--------	--------	---------
For butterfly valve		DN32-40	DN50-80	DN80- 125	DN150- 200	DN200-300	DN300- 450	DN400- 500	DN500- 600	DN600- 800
Power		AC 220V±10% 50HZ/60HZ, AC 380V±10% 50HZ/60HZ, DC24V
Insulation resistance		100MΩ/500VDC
Anti-pressure level		1500VAC 1Min
Protection level		IP67(It is no leakage in water about 20 meters deep)
Limited component		Power-driven: Fully open and close, limit switch. Manual: Mechanical stopper.
Protector		Overheat protector(self-recovery)
Installation position		Any direction from 0 to 360 degree
Electrical connection		M20*1.5 Waterproof cable connection, power wire, signal wire
Ambient Temp.		-30ºC--60ºC

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