Electrically controlled hydraulic control valve works and maintenance

Electric control valve is a solenoid valve for the pilot valve hydraulically operated valve. Commonly used in water supply and drainage and industrial systems in the automatic control, accurate and rapid response control, remote control according to the electrical signal to open and close the pipeline system for remote operation. Hydraulic electric control valve and can replace the gate valve and butterfly valve for large electric operating system. Valve closing speed adjustable, closed without pressure fluctuations. The valve is small, light weight, easy maintenance, easy to use, safe and reliable. Solenoid valve optional AC 220V, or DC 24V, according to various occasions, the use of normally open or normally closed can be. Electrically controlled hydraulic control valve structure features and uses Electrically controlled hydraulic control valve by the main valve, solenoid valve, needle valve, ball valve, microfilter and pressure gauge composed of hydraulic control system. Through the solenoid valve can be achieved on the valve to open and close the remote control. After installing additional devices, you can control the speed of opening and closing. Electrically controlled hydraulic control valve using the pilot valve to open and close the valve to save energy. Can replace other valves large electric devices. Electrically controlled hydraulic control valve products are widely used in high-rise buildings, living areas and other water supply pipe network systems and urban water supply projects. Electrically controlled hydraulic control valve works When the valve from the inlet end of the water supply, the water flow through the needle valve into the main valve control room, when the solenoid pilot valve is open, the control room of water through the solenoid pilot valve, ball valve out. Ball valve opening is greater than the needle valve opening, the main valve control chamber pressure is very low, the main valve is fully open state. When the solenoid valve is closed, the main valve control room of the water can not flow out of the control room to boost the diaphragm to close the main valve. Electrically controlled hydraulic control valve maintenance: to install the filter before the hydraulic control valve, and should be easy to sewage requirements. Hydraulic control valve is a self-lubricating water valve body, without additional oil lubrication, in case of damage to the main valve components, 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 hydraulic control valve before and after the end gate valve closed. 2. Loosen the pipe fitting screw on the main hydraulic control 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 hydraulic control 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 the hydraulic control valve diaphragm or o-ring is damaged, please loosen the nut on the shaft core, break down the diaphragm or ring by Zhejiang, and replace it with a new diaphragm or o-ring . 8. A detailed examination of the main valve internal hydraulic control 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.