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29
Jun, 2019
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17
Nov, 2018
Electric ball valve application
?Electric ball valve accounts have been widely used in petroleum, natural gas, medicine, food, hydropower, nuclear power, electric power, water supply and drainage, heating, metallurgy and other indus
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17
Nov, 2018
Structure and type of pipe clamp valve
?The rubber sleeve of the pinch valve is the core component and usually consists of an inner layer, an outer layer and reinforcing fibers. Formed by a single vulcanization/secondary vulcanization proc
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17
Nov, 2018
Powder butterfly valve leakage treatment method
?Causes of leakage of the butterfly valve: the butterfly valve wear causes the closure to be unsatisfactory; the working air source pressure is insufficient; whether the sediment is stuck with the...
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17
Nov, 2018
?The operating force of the electric valve is larger than that of the ordinary valve. The speed of the electric valve can be adjusted. The structure is simple and easy to maintain. Due to the cushioni
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17
Nov, 2018
Installation and maintenance of electric butterfly valve
?1. When installing, the valve flap should be stopped at the closed position. 2. The opening position should be determined according to the rotation angle of the disc. 3. Butterfly valve with bypass v
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17
Nov, 2018
Pneumatic pinch valve considerations
?1. Pneumatic pinch valve compressed air impurities and moisture affect the service life of the rubber sleeve. A filter should be installed in the gas path to remove impurities and moisture. 2. Fully
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17
Nov, 2018
The role of pneumatic actuators and their field of application?
?Pneumatic actuators are used to push the switch valve or linkage, using compressed air as the power source. It has good explosion-proof and fireproof properties. The application field covers almost..
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17
Nov, 2018
Fine Electric Actuator Maintenance Guide
?1. Keeping equipment and environment clean is the basic condition for protecting small electric actuators. When cleaning and repairing, the power must be cut off. In the long-term environment of rain
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17
Nov, 2018
Pneumatic control valve performance characteristics
?The pneumatic regulating valve is composed of a pneumatic actuator and a regulating valve. Its main features are: 1. Extrusion of high-strength aluminum cylinder, the inner surface is finely ground..
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17
Nov, 2018
?There are five types of electric actuators: straight-stroke electric actuators, quarter-turn electric actuators, electric control valves, PID electric adjustment actuators and solenoid valves...
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17
Nov, 2018
The basic principle of valve electric device purchase
?When purchasing an explosion-proof valve electric device, the principle is that the sealing performance should meet the requirements of the circulating medium in the pipeline, that is, the internal l