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Hydraulic control valve features and maintenance
Hydraulic control valve is a water pressure control valve, hydraulic control valve consists of a main valve and attached to the catheter ﹑ pilot valve ﹑ ﹑ ball valve and pressure gauge and other components. Depending on the purpose of use, function and place can be evolved into a remote control float valve ﹑ ﹑ slow closing valve ﹑ flow control valve ﹑ pressure relief valve ﹑ hydraulic control valve, multi-function pump control valve. Hydraulic automatic control valve to be installed before the filter, and should be easy to sewage requirements. Hydraulic control valve is a water self-lubricating valve body, without additional oil lubrication, in case of damage to the main valve components, please follow the instructions below for disassembly: 1. The main valve before and after the end gate valve closed. 2. Release the pipe fitting screw on the main valve cover to release the pressure in the valve. 3. Remove all screws, including the nuts of the necessary brass in the control line. 4. Take the valve cover and spring. 5. The axis, diaphragm, piston and other removed, do not damage the diaphragm. 6. After the above items are removed, check the diaphragm and O-ring for damage; if no damage do not subcontract its own internal components. 7. If the diaphragm or O-ring is damaged, please loosen the nut on the shaft core, break down the diaphragm or ring by Zhejiang, and then replace it with a new diaphragm or O-ring. 8. A detailed examination of the main valve internal valve seat, shaft and other damage if any other debris in the main valve to clean it out. 9. In reverse order is the replacement of the main components of the valve assembly, pay attention to the phenomenon of the valve can not be jammed. Note: The general consumption of damage within the valve products for the diaphragm and O-ring, other internal parts with little damage.