Pneumatic control valve and electric control valve are not much different, but the actuator is different. The former requires a compressed air source, and the latter only requires a power source, which is more convenient. Pneumatic control valves need to be equipped with compressors and other equipm... read more
The failure of the pneumatic control valve during use will cause great harm to the normal and stable operation of the system. Therefore, maintenance of the control valve is required to reduce the incidence of failure of the control valve. 1. Passive maintenance of pneumatic control valve When the pn... read more
The self-operated regulating valve is a control device that does not require external energy sources and relies on the change of the pressure or temperature or flow of the measured medium to automatically adjust according to the preset value. It is an energy-saving instrument. It integrates control ... read more
The control signal in the chemical system automatically adjusts the opening of the valve, so as to realize the adjustment of the medium flow, pressure, temperature and liquid level. 1. Working principle of self-operated temperature control valve (heating type) The temperature regulating valve works ... read more
1. Cleaning method Welding slag, rust, slag, etc. in the pipeline cause blockage or jam in the throttle, guide part, and lower valve cover balance hole, causing strain and scratches on the valve core surface and guide surface, and indentation on the sealing surface Wait. This often occurs in the ini... read more
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