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High torque electro-hydraulic linkage actuator
Key words: Michael Johnson, executive agency
Electro hydraulic actuator is an organic combination of hydraulic, mechanical, electronic and control technology; The electro-hydraulic actuator overcomes the problems of low control accuracy of pneumatic actuator and poor controllability of electric actuator.
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Details Introduction
Electro hydraulic actuator is an organic combination of hydraulic, mechanical, electronic and control technology; The electro-hydraulic actuator overcomes the problems of low control accuracy of pneumatic actuator and poor controllability of electric actuator. The utility model has the advantages of simple structure and truly realizes the electromechanical hydraulic integration without external oil source and pipeline. The actuator can be customized according to user needs.
Main application features:
① High torque and thrust;
② Short switching time;
③ It can continue to open and close the valve without power supply;
④ Application fields: oil pipeline, emergency shutdown of oil tank farm, water conservancy waterproof hammer and emergency shutdown, wellhead, petrochemical, blast furnace dispersion tower of steel plant and mine gas quick cut valve of power plant, etc.
1. The electro-hydraulic linkage actuator can be divided into switch type and regulation type: the switch type hydraulic actuator is mainly used to cut off the valve pipeline and has the functions of normal opening and closing and emergency closing; The adjustable electro-hydraulic linkage actuator is mainly based on the size of the input analog signal. The valve can be opened at any angle and feed back the signal, so that the flow of the pipeline can be adjusted arbitrarily, and the adjustment accuracy can reach 1%.
2. The hydraulic actuator mechanism can be divided into single action and double action. The single acting actuator realizes the fault emergency shutdown of the valve by spring return, which has the characteristics of fast breaking speed and small volume of the actuator; The double acting actuator has the advantages of small volume and large torque.
3. According to the use characteristics of offshore ships, an immersion hydraulic actuator is specially developed, which can be submerged 60 meters under the sea water; The immersion valve position indicating device is created, which can clearly understand the opening state of the valve on board.
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CHENGDU MKSVC
Address: No. 1093, Section 4, Xihangang Avenue, Southwest Airport Economic Development Zone, Shuangliu District, Chengdu, China (Sichuan) Pilot Free Trade Zone
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