In the valve check valve is installed inside to avoid accumulator pressure of oil flow. When the system pressure reaches the overflow valve opening pressure, overflow valve, Marine valve pump unloading; When the system pressure drop to the closing of the overflow valve, relief valve closed, the pump to the system load. Leaked pipe valve drainage opening back-pressure cannot exceed one hundred percent set pressure to 2. At this point by the accumulator to keep the oil supply system and pump unloading so received the energy saving effect. Q: the office principle of unloading overflow valve a: office principle: unloading overflow valve is composed of overflow valve and check valve. Two pump when low pressure oil supply to the system at the same time, the high pressure when the valve pump unloading and with high intermediate partition it to open. Functions and applications: main invite function of unloading overflow Industrial Valves is semi-automatic stem pump unloading or loading. Its performance is the same as the overflow valve. This kind of valve can also be used for high and low voltage circuit of double pump. Unloading overflow valve selection: unloading overflow valve is mainly used for containing accumulator in the hydraulic circuit, when the accumulator charging pressure reach a set pressure valve, semi-automatic hydraulic pump unloading. In view of the function of unloading overflow valve for unloading pressure and load pressure there is a difference between. Difference is too small, the pump unloading and loading action too many times; Difference is too big, then the system pressure change is too big. Main use: a of unloading overflow valve. In the accumulator system pump semi-automatic unloading and loading; b。 High and low voltage large flow of low pressure pump unloading pump combination. Pressure of loading and unloading of the difference is a matter of unloading overflow valve performance index, average load pressure for unloading of 85 one hundred percent. Between the valve and accumulator pressure drop for the accumulator, it can't exceed one hundred percent set pressure to 10. Unloading pressure called unloading pump pressure, make the pump in the loading condition of pressure is known as a load pressure. When the accumulator in the oil pressure to the valve set pressure to 85 one hundred percent, valve and complex load, hydraulic pump to the accumulator charging. 。 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 valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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