INTELLIGENT EXPLOSION PROOF ELECTRIC ACTUATOR

PRODUCT DETAILS

OHQ Series are explosion-proof, intelligent quarter turn electric actuators for the accurate control of valves with torques up to 2000 N.m. OHQ explosion-proof is designed for on/off or modulating control of butterfly, ball, rotary plug valves or dampers in a wide range of heavy industrial, chemical and petrochemical plants, water treatment plants, on and offshore. It can be driven by 380V/220V/110V AC power or 24V/110V DC power, inputs 4-20mA current signal or 0-10V DC voltage signal as control signal. (CE and EX certificates approved)

Technical data
ModelMax   output torqueOn-off   time  60/50HZMAX bore sizeF-class MotorRated Current (A) 50HZHandwheel TurnWeight
Single PhaseThree Phase
N·mSmmW110V220V380V440VNkg
OHQ-0055018/22Ф20201.10/0.950.55/0.540.3/0.3N/A107.5
OHQ-01010018/22Ф20201.10/0.950.55/0.540.3/0.3N/A107.5
OHQ-01515021/25Ф22401.65/1.670.88/0.840.31/0.310.30/0.311117.3
OHQ-02020021/25Ф22401.67/1.670.89/0.850.31/0.310.30/0.311117.3
OHQ-04040026/31Ф35901.85/1.860.92/0.920.35/0.350.34/0.3413.522
OHQ-06060026/31Ф351203.65/3.621.60/2.200.60/0.590.59/0.5813.523
OHQ-08080031/37Ф451804.10/4.102.15/2.200.85/0.850.79/0.7916.529
OHQ-120120031/37Ф451804.20/4.102.35/2.300.87/0.870.81/0.8116.529
OHQ-200200093/112Ф651804.10/4.102.15/2.200.85/0.850.79/0.7949.575
 
Actuator CoverWaterproof level IP67/68, or NEMA 4/6 
MotorSquirrel-cage Asynchronous Motor 
Limit Switch1 * on/off, SPDT, 250VAC 10A 
Auxiliary Switch Set1 * on/off, SPDT, 250VAC 10A 
Torque Switch1 * on/off, SPDT, 250VAC 10AExcept OHQ-005/OHQ-010
Stroke90° ± 10°Option: 0° - 270°
Failure Protection TemperatureInternal thermal protection; On: 115°C ± 5°C, off: 97°C ± 5°C 
IndicatorContinuous position indicator 
Manual OperateMechanical clutch, operate with handwheel 
Self-lock DeviceSelf-lock by worm and worm gear 
Mechanical StopsExternal adjusting bolts (2 piece) 
Heater and Thermostat7-10W (110/220V AC) 
Connecting holePF 3/4” (2 pieces) 
Ambient Temperature-20°C ~+70°C 
LubricationAluminum-base grease (EP type) 
MaterialSteel, Aluminum alloy, Aluminum bronze, Polycarbonate 
Ambient HumidityMax 90% RH 
Anti-vibrationX Y Z 10g, 0.2~34HZ, 30 minutes 
External CoatingDry powder, Epoxy polyester, high anti-corrosion

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