A water pressure regulator is a valve that automatically reduces the working pressure of a pipe by reducing the higher water pressure in the pipe before the valve to the level required by the pipe after the valve. Pressure relief valve is widely used in high-rise buildings, urban water supply pipe network pressure over the area, mines and other occasions to ensure that the water supply system water points to obtain appropriate service pressure and flow. Since the water loss rate and waste degree are almost proportional to the water pressure in the water supply system, the pressure reducing valve can improve system operation and potential water saving. The water reducing valve is estimated to save about 45% of water. Many types of pressure relief valve structure, the previous common thin-film, such as the spring-piston. The basic principle of the valve is to reduce the water pressure by the local resistance of the flow channel in the valve. The range of the water pressure drop is automatically adjusted by the pressure difference between the inlet and outlet of the film or piston connected with the valve flap. Basic performance: (1) Regulating range: It refers to the adjustable range of the output pressure P2 of the pressure reducing valve, within this range, it is required to reach the required accuracy of the pressure reducing valve. Regulating the pressure range and the main spring stiffness. (2) Pressure characteristics: It refers to the flow rate g is set value, due to input pressure fluctuations caused by the output pressure fluctuations. The smaller the output pressure fluctuation, the better the characteristics of the pressure reducing valve. The output pressure must be lower than the input pressure - the setting will not substantially change with the input pressure. (3) flow characteristics: It refers to the input pressure - timing, the output pressure with the output flow g changes in the holding capacity. When the flow rate g changes, the output pressure changes as small as possible. The lower the general output pressure, the smaller it fluctuates as the output flow changes. Water regulator is widely used in high-rise buildings in charge of decompression, partial pressure or sudden pressure in the case of water to protect the subsequent life, production of water appliances, OR water valve series includes the following products, 0232 economic branch Pressure Reducing Valve, 0234 Piston Branch Pressure Reducing Valve, 0226 Diaphragm Branch Pressure Reducing Valve, 0204 Pressure Reducing Valve, Pressure Reducing Valve Reducing pressure is also reducing pressure, the outlet pressure is stable and no fluctuation, small size, cost-effective High, choose OR water pressure reducing valve is to choose the quality. Water pressure relief valve installation: 1. Water pressure relief valve can be installed horizontally or vertically on a flat pipe; 2. The installation of water pressure relief valve must be in strict accordance with the direction of the arrow on the valve body and fluid flow direction, if the water quality is not clean Contains some impurities, you must install the filter upstream of the water inlet valve; 3. Open the water regulator to adjust the outlet pressure of the place, with a screwdriver to adjust clockwise turn screwdriver outlet pressure becomes larger, whereas the outlet pressure reduction Small, with the pressure gauge adjustment until the outlet pressure reaches the required value; 4. Water pressure relief valve in the pipeline play a role in the non-return, in order to prevent the harm of water hammer, small expansion tank can also be installed to prevent damage to the pipe and Valves, filters must be installed in front of the inlet pipe of the pressure reducing valve, and the expansion tank must be installed in the outlet pipe of the water pressure reducing valve; 5. If you need to install the water pressure reducing valve in the hot water system, Install a check valve between the tank and expansion tank. In this way, the expansion tank can absorb the volume of water increased due to thermal expansion and prevent the influence of the backflow or pressure fluctuation of the hot water on the pressure reducing valve to ensure the long-term normal operation of the pressure reducing valve.
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