Explosion-proof Actuators

Explosion-Proof Electric Actuator

The explosion-proof actuator adopts specially designed casings, motors, and dedicated sealing components to prevent explosions caused by electric sparks or high temperatures. It has obtained CNEx certification (Ex db ⅡC T6 Gb) and is widely used in hazardous areas such as petrochemical plants, coal mines, and pharmaceutical facilities to control valves, pipelines, and equipment.

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Product Description

GRAT explosion proof electric actuator is made of high-quality aluminum alloy and stainless steel materials, ensuring superior durability and longevity. It is also equipped with a range of position feedback options, including potentiometer, 4-20mA, 0-10V, PLC, PCU, MS, and S, allowing for precise control and monitoring of valve positions.

Product Structure

The Explosion Proof Electric Actuator comes with various control modes, including on-off type, modulating type, switch-type, and regulation type, providing flexibility and versatility in its application. It is also designed with a power supply of AC 220V/380V and DC 24V/110V, making it suitable for various power sources.
One of the key features of this actuator is its explosion-proof level of Ex db ⅡC T6, which guarantees maximum safety and protection against potential hazards. This means that it is capable of withstanding high temperatures, pressure, and flammable substances, making it a reliable choice for hazardous environments.

As Featured In

Power Supply

AC 24V/110V/220V/380V

DC 24V

High efficiency

low power consumption, high torque

Torque

Output torque 50-600N · m

Actuation time 20-45S

Ingress Protection

Dustproof and waterproof with an IP67 rating

Accuracy 

Hysteresis<0.5%

Dead Zone<0.5%

Feedback Error<0.5%

Valve Adaptable

0~90°

ball valve

butterfly valve

I/O

4-20mA

0-10V

Modbus

Optional Function

Dehumidification and heating

Passive contact switch

Over-torque protection

Explosion-proof Performance

Flameproof joint

Width of flameproof joint
L ≥ 12.5mm
Gap of flameproof joint
i ≤ 0.15mm

Epoxy resin adhesive

With over 10mm epoxy resin bond length to ensure strength and sealing performance.

Encapsulation

With over 20mm epoxy resin potting in cable through-holes

Threaded flameproof joint

Length of Thread Engagement ≥ 8mm
Number of Engaged Threads ≥ 5

patent

DDS & PPD Tech

Quick Convenient, Direct Debugging Switch in electric actuators

Power Type:Electric
Material:Aluminum Alloy, Stainless Steel
Certification:CCC、ISO、CE
Torque Range:50Nm, 100Nm, 200Nm, 400Nm, 600Nm
Power Supply:AC 24V/110V/220V/380V, DC 24V
Ingress Protection:IP67
Control Mode:On/off, Positioning, Throttling, Modulating
Input/Output:4-20mA, 0-10V, Modbus
Valve Connection:ISO5211, DIN3337, VDI/VDE 3845,Flanged, Wafer

Model Representation Method

EA-600-Ex indicates an electric explosion-proof actuator with an output torque of 600 N·m.

Explosion-Proof Electric Actuator
ModelEA-50-ExEA-100-ExEA-200-ExEA-400-ExEA-600-Ex
Output Torque50N·m100N·m200N·m400N·m600N·m
Recommended
Valve
Adaptation		Ball ValveDN15-40DN50-65DN65-80DN80-100DN150-200
Butterfly ValveDN32-50DN50-125DN150-200DN200-250DN300
Action Time20S30S30S30S45S
Rotation Angle0~90°0~90°0~90°0~90°0~90°
Motor PowerAC24V10W25W000
AC110V10W25W40W90W90W
AC220V10W25W40W90W90W
AC380V6W15W30W40W40W
DC24V13W25W40W70W70W
Rated CurrentAC24V1.5A2.12A000
AC110V0.24A0.57A0.63A1.12A1.18A
AC220V0.15A0.30A0.35A0.64A0.67A
AC380V0.07A0.10A0.19A0.29A0.29A
DC24V1.28A2.03A3.12A7.8A8.0A
Weight4.5Kg5.0Kg9.0Kg9.5Kg10.0Kg
Insulation Resistance100 MΩ at 500 V DC
Withstand Voltage1,500 V AC for 1 minute
Protection RatingIP67
Explosion-proof RatingEx db ⅡC T6 Gb
Installation Orientation360° adjustable
Electrical Interface2-M20x1.5 explosion-proof plugs; Users to install corresponding explosion-proof cable glands based on selected cables
Control CircuitType S/MS/PIU/SP/PCU/CPT/G/H
Optional Features◆ Dehumidification heater ◆ Passive contact switch ◆ Over-torque protection ◆ Field protection unit
Testing StandardJB/T8219-2016, GB/T 3836.1-2021, GB/T 3836.2-2021

EA-50/100-Ex Dimension Diagram

EA-50/100-Ex with Direct Mounting Plate Dimension Diagram

EA-200/400/600-Ex Dimension Diagram

EA-200/400/600-Ex with Direct Mounting Plate Dimension Diagram

Documents & Drawings:

武汉格莱特控制阀有限公司-防爆电动执行机构说明书Download

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