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Quarter Turn Electric Actuator/Rotary Electric Actuator
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Product: Views:194Quarter Turn Electric Actuator/Rotary Electric Actuator 
Unit price: Negotiable
Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2017-12-21 13:59
Quarter Turn Electric Actuator/Rotary Electric Actuator



EQS valve actuators are the new generation product of our company and can be used for driving and controlling the butterfly valves, ball valves, plug valves (part-turn with 90° movement). The actuators can be either remotely controlled, or locally controlle.


They are widely used in the fields such as oil, chemistry, power generation, water treatment, paper making.


The protection class is IP67, and the explosion proof class is d II BT4 (with lessters of EX).


This operation manual is applied for general type. For special type actuators, the additional manual will be provide.




The actuator is made of the folling parts:


1. Enclosure: top cover and mounting base

2. Driving part: driven by highly efficient, hermetic, squirrel caged type motor

3. Rotating part: double worm gearing

4. Manual override: handwheel and clutch

5. Modulating part: separated with the actuator body, for modulating easily

6. Torque switch and limit switch

7. Travel testing and feedback




1. Rotary Electric Actuator . 
2. Torque : 50 N.M ~ 5000 N.M 
3. Time : 10 sec ~ 200 Sec . 
4. Power : 8W ~ 180 W. 110V / 220V / 380V



Water proof enclosure IP67, NEMA 4 and 4X O-RING Sealed

Main Power Supply

Standard:220V AC single-phase

Optional:110V AC single-phase,380V/440V 3phase ,50/60HZ, ±10%

24V DC/110V DC/220V DC


Squirrel-cage Asynchronous Motor

Limit Switch

Close/Open, each 1, SPDT,250V AC 10A

Auxiliary Limit Switch

Close/Open, each 1, SPDT,250V AC 10A

Torque switch

Close/Open, each 1, SPDT,250V AC 10A

Except CHQ-005/008/010




Stall protection/ Operating temperature

Built-in thermal protection, Open 115°C ±5°C/Close97°C ±5°C


Continuous position indicator

Manul operate

Declutching mechanism,cooperate with handwheel

Self-locking device

Self-locking by worm and worm gear

Mechanical Limit

2 × external adjustable screws

Space heater

7-10W (110/220V AC) 

Conduit entry

2 × PF 3/4"

Ambient temperature



Grease moly(EP type)


Steel, Aluminium alloy, Aluminium bronze,Polycarbonate

Ambient humidity

Max 90% RH



X Y Z 10g,0.2~34 Hz,30 minutes

External coating

Dry powder, Epoxy polyester,high antcorrosion

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Thanks for your visiting.

If you have any questions about our products or company, please do not hesitate to contact us.

Contact Person: Nika Xiao

Brand: KT/OEM
Applicable Media: Water, Oil, Gas, Nitric Acid, Acetic Acid
Certification: CE/API/DNV/FDA/ISO9001-2008
Sample Testing: One Sample for free( Under $10),Freight Collect
Packing: Plastic Bag, Carton & Plywood Case/According to customers' requirement.
Payment:  T/T, L/C, D/P, Western Union, Paypal
Port:  NINGBO/Shanghai, Customers' Request
Delivery Time: Within 35days after receiving T/T deposit Payment
Term of Delivery: FOB/CNF/CIF, Customers' Request