The multi-function water pump control valve is a water pressure control valve, which consists of a main valve and its attached conduit, pilot valve, needle valve, ball valve and pressure gauge. According to the purpose, function and location, it can be evolved into a remote control float valve, pressure reducing valve, slow closing check valve, flow control valve, pressure relief valve, hydraulic electric control valve, water pump control valve and so on.
The multi-function water pump control valve is a self-lubricating valve body that does not require additional oil lubrication. If the components in the main valve are damaged, please follow the instructions below for disassembly. The filter should be installed before and should be easy to discharge.
1. Check the internal valve seat and shaft core of the main valve for damage in detail. If there are other debris, clean it out inside the main valve.
2. If the diaphragm or the â—‹-ring is damaged, loosen the nut on the shaft core, disassemble the diaphragm or the ring, and replace it with a new diaphragm or â—‹-ring.
3. After removing the above items, check whether the diaphragm and the â—‹-ring are damaged; if there is no damage, please do not contend for the internal parts.
4. First close the front and rear gate valves of the main valve.
5. Loosen the pipe joint screw on the main valve cover to release the pressure inside the valve.
6. Remove all screws, including the nuts of the necessary copper tubes in the control line.
7. Install the main valve in the reverse order according to the reverse order. Note that the valve cannot be jammed.
8. Take the valve cover and spring.
9. Remove the shaft core, diaphragm, piston, etc., and do not damage the diaphragm.
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