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How to dismantle the main valve of hydraulic control valve

August 01, 2023
Hydraulic control valve The main valve is a self-lubricating water valve body, without additional oil lubrication, in case of damage to the main valve parts, according to the following instructions for disassembly. Hydraulic control valve The main valve is a self-lubricating water valve body, without additional oil lubrication, in case of damage to the main valve parts, according to the following instructions for disassembly. (Note: The general consumption of damage within the valve products for the diaphragm and ○ ring, other internal parts little damage) 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 hardware screws, including the nuts that control the necessary brass in the tubing. 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 ○ ring is damaged; if no damage do not subcontract their own internal components. 7. If it is found that the diaphragm or o-ring is damaged, please loosen the nut on the shaft core, break out 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. According to the reverse order is the replacement of the components assembled main valve, pay attention to the valve can not jam phenomenon 10. Please refer to the "hydraulic control valve installation precautions" re-use
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