Many types of the construction of reduced pressure valve, the spring in the common diaphragm, piston, etc. This reduces the pressure valve office safe and secure no oscillation; The body without the spring, so no spring corrosion, metal fatigue losing effectiveness were evident; Tightly sealed performance is satisfactory, leakage and dynamic pressure reduction (both When water move) And static pressure reduction ( When traffic is 0) ; Especially in the lower stress does not affect the flow of water at the same time. Reduce the pressure valve is widely used in high-rise building areas, urban water supply pipe network pressure too high range, mines and other occasions, in order to ensure to each water point in water system to obtain the appropriate service pressure and flow rate. Basic utility principle of reducing pressure valve by valve flow in part of Marine valve to reduce the water pressure resistance of water, the range of the pressure drop by petition disc film or out on either side of the piston into the saliva differential semi-automatic regulation. Q: reducing pressure valve principle and construction type analytical answer: reduce the pressure valve is a kind of semi-automatic special device, reduce office pressure pipeline, it can be by high pressure loss to the valve before the valve pipe line after the required level. 。 In recent years has been revealed a new lower pressure valve, such as constant ratio reduces the pressure valve. In view of water leak rate and degree of cost almost the same to the water pressure is proportional to the volume of the water system, because of the lower pressure Industrial Valves has improve system operation condition and latent water utility, according to count the water-saving effects of about 30 to one hundred percent. Reduce pressure valve principle: reduce the pressure valve generally have (~ DN100 wait for a variety of specifications, the valve before and after the office into pressure for & lt; 1 mpa and 0. 1 to 0. 5 mpa, regulating range error is & amp; plusmn; 5 ~ 10 one hundred percent one hundred percent. Constant ratio reduced pressure principle is to use the body floating in the water pressure than the piston stem, the inlet side lower pressure ratio and the inlet side piston ratio is inversely proportional to the size of the surface or surfaces. Should be seen, although water after reducing pressure valve has a very large water head loss, but because of the cost of water and make the system flow distribution is reasonable, the improvement of the system layout and working condition, because the overall is still the energy conservation, the above is to reduce the pressure valve principle and construction. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the valve, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe Industrial Valves, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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