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Explosion-proof electric valve device

by:Sino Valves     2021-03-08
Valve electric device company, specializing in the production of explosion-proof valve electric device, cost-effective! Explosion-proof valve electric device is easy to debug, video debugging, fool-type module, Chinese menu display, deeply loved by customers! A series of valve electric devices developed and produced , Explosion-proof electric valves, mine electric valves, intelligent electric actuators, annual production and sales of more than 10,000 sets of valve electric actuators. The explosion-proof electric valve adopts a top-mounted structure, which reduces the connecting bolts of the valve body under the conditions of high pressure and large diameter, enhances the reliability of the valve and can overcome the influence of the weight of the system on the normal operation of the valve. Explosion-proof electric valves are widely used in coal chemical industry, petrochemical industry, rubber...Our company’s explosion-proof electric valve devices are small in size and light in weight, labor costs are reduced by 30%, accessories are processed and delivered in time, and conventional products are off-the-shelf explosion-proof electric valve devices A number of patents, can guide the installation, one-year warranty, the performance of the explosion-proof valve electric device conforms to GB3836.1-2000 'Electrical Equipment for Explosive Gas Environment Part 1: General RequirementsEquipment Part 2: Explosion-proof 'd'' and JB/T8529-1997 'Technical Conditions for Explosion-proof Valve Electric Devices'. If the explosion-proof electric device has a short circuit failure or the electric device burns out, no spark will occur. In the production process, the winding of the explosion-proof electric device is different from that of the ordinary electric device, so this is the biggest of the explosion-proof electric device advantage. The explosion-proof electric device is suitable for working in coal mines, inflammable and explosive environments. Objectively many industrial sites meet the explosion conditions. When the mixed concentration of explosive substances and oxygen is within the explosion limit, if there is an explosion source, an explosion will occur, so it is necessary to take explosion protection. The ordinary valve electric device cannot meet the needs of the scene. The protection level of the valve explosion-proof electric device has IP68 and the explosion-proof level has BT4 and CT4. The characteristics of the explosion-proof valve electric device of the valve factory 1. The device is dust-proof, waterproof, and light-corrosive, and its protection level is IP55, IP65. 2. Torque The control mechanism has reliable action, convenient adjustment, and high torque repeatability. 3. The stroke control mechanism has high adjustment accuracy and repeatability. The opening and closing directions can be equipped with 2 to 4 micro switches. 4. The semi-automatic hand/electric switching mechanism is adopted in the low-speed gear, with simple structure, reliable work and convenient operation. 5. Three-phase asynchronous motor for valve electric device is adopted, which has large starting torque and small moment of inertia. 6. Equipped with a mechanical valve position indicator. Common actuators for explosion-proof electric valves are divided into: pneumatic actuators, electric devices, which are divided into straight travel and angular travel. Used for fully automatic and manual opening and closing of various cutting doors, air-conditioning fans, etc. Explosion-proof electric valve positioners can be divided into pneumatic explosion-proof electric valve positioners, electro-pneumatic explosion-proof electric valve positioners and intelligent explosion-proof electric valve positioners according to their structure and principles. The explosion-proof electric valve positioner is a key part of the control valve. It is used with pneumatic control valve supporting facilities. It receives the output data signal of the controller, and then uses its output data signal to control the pneumatic control valve, which can expand the power of the control valve. , Reduce the transmission of the adjustment data signal behind the explosion-proof electric valve positioner, accelerate the movement rate of the valve stem, can improve the linearity of the explosion-proof electric valve, get rid of the friction of the valve stem and remove the harm of imbalance, thus ensuring the proper accuracy of the regulating valve Positioning. When the valve position is adjusted, the deviation of the valve stem is fed back to the explosion-proof electric valve positioner according to the opinions of the mechanical equipment and the valve position is sent to the upper system software according to the electronic signal. Multi-rotation, straight-stroke, angular-stroke electric devices and various explosion-proof electric valve supporting facilities constitute an implementation module. It is widely used in power plants (hydropower projects, thermal power plants, nuclear power plants), oil (gas) fields, chemical plants, petroleum pipelines (gas) pipelines, steel, chemical plants, organic fertilizers, pharmaceuticals, printing and dyeing plants, In the fully automatic automatic control system of gas-liquid transportation pipelines for sugar industry, wastewater treatment, power supply projects, etc., both regular adjustment and operation can be considered, but also intermittent operation can be considered. And can complete the computer interface intelligent measurement and control technology.
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