Spring Return Electric Rotary Actuator with 4-20mA and NEMA 4/4X/7&9 Explosion

EAC / ISO / SIL/UL explosion proof spring return electric rotating actuator for gate valve 

Chenglei manufacture the quarter turn electric rotary actuator DQ Series with valve worm reduction box.It is applied for damper,plug valve,gate valve, globle valve,throttle valve,ball valve,butterfly valve,damper,slide plate gate,adjusting valve,regulating valve and HVAC.
Our electric actuator can be widely use in various industries including oil and gas, power plants,water treatment,chemicals, processes,paper and pulp, and flow control automation.
Voltage:380V/110V/220V/440V/660V AC or 12V/24V DC for your option. Single phase or Three phase.
Rated frequency:50HZ/60HZ.
As for control method, on-off or modulating.4-20mA.
As for the protocols,Profibus/profinent/modbus/HART/FF/Device net/ESD
Motor duty:shor time: S2 10min,15min,30min. or continuous time:S1/S3/S4/S6 24%,40%.
Connection:JB2920 Torque type or ISO5210(GB/T 12222) Thrust flange type
Protection grade: IP65/IP67/IP68 for your option.
Insulation level: F level
Certificates:CCC/UL/CE/IECex/SIL/RoHS/ ISO/CE/Gost
Enclosure: NEMA 4/4X/7&9 models enclosure can be your option.
Environmental temperature: -20~+60 ºC (special orders -60~+70 ºC);
Relative humidity: ≤ 95% (at+25 ºC);
Explosion proof:ATEX/ Exd BT4/CT4;
Anti corrosion coating: electrostatic powder spraying.
Body Material:Aluminum alloy/stainless steel/carbon steel.
High speed,High torque,adjustable speed and battery backup and bluetooth and local or remote control can be your option.
Heater and thermostat standard.
Manual override with handwheel

Here is the DQ series quarter turn electric rotary actuator with worm gear box picture for your reference.  
Chenglei also provide the quarter turn electric actuator,multi-turn electric actuator,part turn electric actuator with worm gear reducer,electric linear actuator,electric valve actuator,electric damper actuator,ball valve electric actuator,butterfly valve electric actuator,gate valve electric actuator,globe valve electric actuator,valve worm gear box,on-off electric actuator,modulating electric actuator.


Q1.What about the lead time for the explosion proof motorized 360 degree multi-turn electric actuator for valve?
A:3-30 working days for mass electric actuator production.

Q2. Is it OK to print my logo on your 90 partial-turn electric actuator?
A: Yes. Please inform us formally before our electric actuator production.

Q3: Do you offer guarantee for the electric actuator?
A: Yes, we offer 18 months warranty to rotary electric actuator.

Q4:What is your MOQ for the electric actuator?
A: 1unit electric actuator.

Q4: How to deal with the rotary electric actuator faulty?
A: Firstly, Our electric actuator are produced in strict quality control system and the defective rate will be less than 0.2%.  
Secondly, during the guarantee period, we will send electric actuator with new order for small quantity.
For defective batch electric actuator, we will repair electric actuator and resend electric actuator to you or we can discuss the solution including re-call according to real situation.