Wuhan Grat Control Valve Co., Ltd.
| Temperature | -20℃~+60℃ |
| Delivery Time | 7 working days |
| IP Rating | IP67 |
| Payment Terms | T/T |
| Standard Time | 30s to 45s |
| Control Mode | On-off Type, Modulating Type |
| Input Signal | 4-20mA, 0-10V, Modbus |
| Insulation Resistance | 100 MΩ at 500 V DC |
| Supply Ability | 1000 |
| Explosion Proof | Ex db ⅡC T6 Gb, Ex tb ⅢC T80℃ Db |
| Torquerange | 50 Nm to 5000 Nm |
| Model Number | EA-100-Ex |
| Brand Name | GRAT |
| Place of Origin | China |
| Certification | CE, RoHS, SIL |
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Product Specification
| Temperature | -20℃~+60℃ | Delivery Time | 7 working days |
| IP Rating | IP67 | Payment Terms | T/T |
| Standard Time | 30s to 45s | Control Mode | On-off Type, Modulating Type |
| Input Signal | 4-20mA, 0-10V, Modbus | Insulation Resistance | 100 MΩ at 500 V DC |
| Supply Ability | 1000 | Explosion Proof | Ex db ⅡC T6 Gb, Ex tb ⅢC T80℃ Db |
| Torquerange | 50 Nm to 5000 Nm | Model Number | EA-100-Ex |
| Brand Name | GRAT | Place of Origin | China |
| Certification | CE, RoHS, SIL | ||
| High Light | Explosion Proof Quarter-Turn Electric Actuator ，Ex db IIC T6 Gb Electric Actuator ，Hazardous Location Explosion Proof Actuator | ||
The GRAT explosion-proof quarter-turn electric actuator is engineered for hazardous and flammable locations, carrying Ex db IIC T6 Gb and Ex tb IIIC T80°C Db certifications. It delivers reliable valve, pipeline, and equipment control in petrochemical plants, coal mines, and pharmaceutical facilities.
Specially designed casings, motors, and dedicated sealing components prevent explosions caused by electric sparks or high temperatures. The actuator withstands high temperatures, pressure, and flammable substances, providing maximum safety and effective protection in demanding environments.
The GRAT explosion-proof actuator features a robust aluminum alloy and stainless steel housing for maximum durability. Its explosion-proof enclosure integrates a heavy-duty gear set, limit switch assembly, and potentiometer, providing reliable transmission and multiple feedback options for precise valve control.
Flameproof Joint
Width: L ≥ 12.5mm
Gap: i ≤ 0.15mm
Epoxy Resin Adhesive
Over 10mm epoxy resin bond length ensures strength and sealing performance
Encapsulation
Over 20mm epoxy resin potting in cable through-holes
Threaded Flameproof Joint
Thread engagement: ≥ 8mm
Engaged threads: ≥ 5
| 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 |
EA-600-Ex indicates an electric explosion-proof actuator with an output torque of 600 N·m.
| Model | EA-50-Ex | EA-100-Ex | EA-200-Ex | EA-400-Ex | EA-600-Ex |
|---|---|---|---|---|---|
| Output Torque | 50N·m | 100N·m | 200N·m | 400N·m | 600N·m |
| Ball Valve Adaptation | DN15-40 | DN50-65 | DN65-80 | DN80-100 | DN150-200 |
| Butterfly Valve Adaptation | DN32-50 | DN50-125 | DN150-200 | DN200-250 | DN300 |
| Action Time | 20S | 30S | 30S | 30S | 45S |
| Rotation Angle | 0~90° | ||||
| Motor Power AC24V | 10W | 25W | 0 | 0 | 0 |
| Motor Power AC110V | 10W | 25W | 40W | 90W | 90W |
| Motor Power AC220V | 10W | 25W | 40W | 90W | 90W |
| Motor Power AC380V | 6W | 15W | 30W | 40W | 40W |
| Motor Power DC24V | 13W | 25W | 40W | 70W | 70W |
| Weight | 4.5Kg | 5.0Kg | 9.0Kg | 9.5Kg | 10.0Kg |
| Insulation Resistance | 100 MΩ at 500 V DC |
| Withstand Voltage | 1,500 V AC for 1 minute |
| Protection Rating | IP67 |
| Explosion-proof Rating | Ex db IIC T6 Gb |
| Installation Orientation | 360° adjustable |
| Electrical Interface | 2-M20x1.5 explosion-proof plugs |
| Control Circuit | Type S/MS/PIU/SP/PCU/CPT/G/H |
| Optional Features | Dehumidification heater, Passive contact switch, Over-torque protection, Field protection unit |
| Testing Standard | JB/T8219-2016, GB/T 3836.1-2021, GB/T 3836.2-2021 |
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Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
4200000-6900000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Grat Control Valve Professional valve manufacturers since 2006. Delivering top-notch automation solutions for industry leaders worldwide. Recognized for its high-quality products and expertise in industrial automation. With a professional R&D team, Grat ensures 100,000 maintenance-free cycles ... Grat Control Valve Professional valve manufacturers since 2006. Delivering top-notch automation solutions for industry leaders worldwide. Recognized for its high-quality products and expertise in industrial automation. With a professional R&D team, Grat ensures 100,000 maintenance-free cycles ...
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