Characteristics of hydraulic pneumatic control valve, repair and maintenance methods

hydraulic pneumatic control valve is the pneumatic hydraulic control valves, pneumatic hydraulic control valve consists of a main pneumatic valve and its attached catheter, guide pneumatic valve, pneumatic valve, pneumatic ball valve and pressure gauge needle, etc. Depending on the purpose, function and place can be turned into a remote control float pneumatic valve, vacuum pneumatic valve, slow close check pneumatic valve, flow control, pneumatic valve, pneumatic valve, pressure, hydraulic electric control pneumatic valve, water pump control valve, etc.


to install filters before hydraulic pneumatic control valve, and should facilitate the discharge of pollutants by requirements.


hydraulic pneumatic control valve is a kind of water is used since embellish type pneumatic valve body, do not need to add oil lubrication, in case the main pneumatic components in the valve damage, please follow the instructions below to remove. ( Note: within the burn injury is commonly inside the pneumatic valve diaphragm and ring, other internal parts damage little


. To close the valve on the main pneumatic brake valve before and after the end.


　　. Pneumatic valve cover with the main pipe screw loosening, release the pressure in the pneumatic valve.


　　. All the screws removed, including controlling necessary pipeline brass nut.


　　. Pneumatic valve cover and spring.


　　. To get off axis core, diaphragm, piston, do not damage the diaphragm.


　　. Remove the above things, diaphragm and examine whether the protection ring damage; If no damage do not again points to its internal parts.


　　. If found that the diaphragm or ring was damaged, please loose the nut on the axis core, get to decompose the diaphragm or circle, comes out to replace the new diaphragm or ring.


　　. To examine in detail the main internal pneumatic pneumatic valve seat, shaft core whether have damage, such as if there is other stuff in the main pneumatic valve inside to clear it.


　　. Is in reverse order will replace the parts after combination installed pneumatic valve, no jam phenomenon should be pneumatic valves.