OR water pressure reducing valve is a kind of special device, reduce the working pressure pipeline automatically, it can be by high water pressure reducing valve before pipe to the valve pipe after the required level. Pressure reducing valve is widely used in high-rise buildings, the area of urban water supply pipe network pressure is too high, mines and other occasions, to ensure that each water point in water supply system water pressure and flow to have the appropriate services. In view of water leak rate and degree of waste almost as the water pressure is directly proportional to the size of feed water system, thus reducing valve have improve system operation condition and potential water-saving effect, Italy OR water pressure reducing valve according to statistics, the water-saving effect is about 45%. The structure of the pressure reducing valve type many, common in the past have a spring in the diaphragm, piston, etc. Within the basic principle of the pressure reducing valve by Industrial Valves port on the local resistance to reduce the water pressure, water pressure drop by connecting disc film or the scope of import and export pressure difference on both sides of the piston automatic adjustment. Basic performance, 1) Regulating range: it refers to that the adjustable limit of the pressure reducing valve output pressure P2, within the scope of the requirements of pressure reducing valve to the specified precision. Regulating scope mainly related to pressure regulating spring stiffness. ( 2) Pressure feature: it refers to the flow fixed value for g, caused by the input pressure fluctuation characteristics of the output pressure fluctuations. The smaller the output pressure fluctuation, the characteristics of the pressure reducing valve, the better. The output pressure must be less than the input pressure - Constant value was basically not changes over the input pressure. ( 3) Flow feature: it refers to the input pressure - Timing, the output pressure changes along with the change of output flow g resistance. G when the flow changes, the output pressure changes as small as possible. Generally the lower the output pressure, which fluctuates according to the change of output flow. Imported Italian OR water pressure reducing valve detailed analysis of the Italian OR water pressure reducing Industrial Valves is widely used in high-rise building, the director of the reduced pressure, in the case of local high pressure OR sudden pressure, protect the following life, production equipment, with water OR water pressure reducing valve series consists of the following products, 0232 economy branch 0234 piston manifold pressure reducing valve, relief valve, diaphragm type 0226 0204 high pressure pipe manifold pressure reducing valve, pressure reducing valve, OR water pressure reducing valve dynamic pressure reduction and reduction of static pressure, outlet pressure stability without volatile, small size, high cost performance, choose the OR water pressure reducing valve is to choose quality. The installation of water pressure reducing valve: 1. Water pressure reducing valve can be installed in horizontal or vertical flat line; 2. Water pressure reducing Industrial Valves installation must be in strict accordance with the direction of the arrow on the valve body to maintain and fluid flow in the same direction, if the water is not clean some impurities, filter must be installed upstream water inlet of the reducing valve; 3. Open the water valve adjusting export pressure, adjusted with a word screwdriver, clockwise rotation screwdriver outlet pressure, and outlet pressure decreases, and cooperate with pressure gauge to adjust, until met the requirement of the outlet pressure value; 4. Water pressure reducing valve in the pipeline of the check, in order to prevent the harm of water hammer, also can install small expansion tank, to prevent damage to the tube and valve, filter must be installed in front of the inlet pipe of the pressure reducing valve, the expansion tank must be installed in the water pressure reducing valve outlet pipe; 5. If you need to install the water pressure reducing valve in the hot water system, must be installed between the pressure reducing valve and expansion tank check valve. Both to expansion tank to absorb the increase due to thermal expansion of the volume of water, and can prevent the reverse flow of hot water or pressure fluctuations on the influence of the pressure reducing valve, to ensure that the pressure reducing valve normal work for a long time.
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