QT4 Ex JS Explosion Proof Part Turn Electric Actuator

AC 220V, AC380V
Part-Turn Actuator
Explosion-proof

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QT4 Ex JS Explosion Proof Part Turn Electric Actuator Product Information

QT4 Ex JS explosion proof part turn electric actuator is suitable for ball valve, butterfly valve and air door. It is combined by QT4 Ex part turn electric actuator and JS part turn reducer. It is the new generation upgrade valve electric actuator. It is die-casting aluminum, which features with small size, nice appearance, light weight, high efficiency, high reliability, high protection, low noise. It can be operated on site or remote control. QT4 Ex/JS explosion proof part turn electric actuator is used widely in the field of petroleum, chemical, power plant, water treatment, paper making. QT4 Ex/JS explosion proof part turn electric actuator protection class is IP67, and IP68 can be produced especially. We can produce QT Integral (QT.IN), QT Integral Modulating, QT Explosion proof (QT.Ex (ExdIIBT4) and QT Integral Explosion proof (QT.Ex.IN) according to the customer’s requirements. Flowspec Luokai can manufacture and supply the QT4 Ex JS explosion proof part turn electric actuator with voltage of AC220V-1Ph-50Hz, AC380V-3Ph-50Hz. Contact us today. Get the better prices. 30 years of experience. Great after-sales service.

1. FEATURES

  • Small volume
  • Nice appearance
  • Light weight
  • High efficiency
  • High reliability
  • High protection
  • Low noise

2. TECHNICAL SPECIFICATIONS

  • Model: QT4 Ex./JS
  • Voltage: AC220V-1Ph-50Hz, AC380V-3Ph-50Hz
  • Power: 0.01kW ~ 0.2kW
  • Protection class: IP67 or IP68
  • Rotary angle: 0 ~ 90°
  • Materials: aluminium die-casting
  • Explosion class: Ex dII BT4

Why Choose Flowspec Luokai

45+ Years Experience

Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.

Global Certifications

ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.

OEM Custom Solutions

Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.

Worldwide Delivery

Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.

Our Service Promise

Strict Quality Control

Every valve tested to API 598, EN 12266 before shipment

Timely Global Delivery

Reliable logistics to 5 continents with secure packaging

OEM & Custom Design

Tailored material, size, pressure and actuation to your specs

Dedicated After-Sales

Technical support and service throughout product lifecycle

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contactOr give us a email at

sales@lokvalve.com