Hydraulic control valve is a hydraulic control valve, hydraulic control valve is composed of a main valve and pilot valve attached to the catheter, a pilot valve, needle valve, ball valve and pressure gauge, and so on. According to the use of purpose, function and location of the different can be developed into a remote control float valve, reducing valve, slow closing check valve, flow control valve, pressure relief valve, hydraulic control valve, water pump control valve, etc..
Hydraulic control valve should be installed before the filter, and should be easy to sewage requirements.
Hydraulic control valve is a kind of water - run - type valve body, without additional oil lubrication, such as the main valve in the case of damage, please press the following instructions to remove. (Note: the general consumption of injury within the valve products for the diaphragm, and ring, little damage other internal parts)
1 the main valve before and after the end of the valve closed.
2 the main valve cover screw loose fittings, pressure release valve.
3 remove all the screws, including the necessary control of brass nut.
4 valve cover and spring.
5 the shaft core, diaphragm, piston, etc., do not damage the diaphragm.
6. All these things out, check the diaphragm and] - ring is damaged; do not be divided without damage to the internal parts on their own struggle.
7. Such as the discovery of diaphragm or O-shaped ring is damaged, please the nut loose core shaft, gradually break down the patch or ring, after removing the back and put on the new diaphragm or O-shaped ring.
8 a detailed view of the main valve seat, shaft core, etc. if there is damage, if there are other debris in the main valve will be cleaned out.
9 by the reverse is the order of replacement parts to install a good combination of the main valve, the valve can not have card phenomenon.
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