When excessive traffic increase, increases because of the cone valve mouth, actuating spring force increases. DBW pilot type electromagnetic relief valve using electromagnetic directional valve itself can be successful to realize the unloading system, and the other pilot operated unloading overflow valve to successfully implement system, will be on the long stem mouth add directional control valve. 2) The overflow valve (utility Keep the hydraulic system pressure fixed eternal) In the throttle speed regulation system, Marine valve relief valve is normally open during normal office, after the overflow tank will be superfluous oil back into and maintain basic eternal fixed hydraulic system pressure. Can do this, the overflow valve is back pressure valve is applied, can make the system safe and secure office; The overflow valve and directional control valve, right can be successfully implemented system of multilevel pressure stem; In brake circuit, the overflow valve can be successfully implemented braking effectiveness; In the hydraulic try system, relief valve can be used as a loading valve, etc. 3) Make the unloading pilot operated relief valve in the hydraulic system of long-range stem mouth fuel tank, you can use the overflow valve to make unloading system. 4) Long-range surge tank in the long stem of pilot operated relief valve by long-range pressure regulating valve, can realize the long-range success of voltage regulation. Inlet pressure oil through damping piston utility at the bottom, forming a liquid pressure and spring force against. Bias current panel utility: drift panel open ring groove, to change the cone valve flow direction of oil outlet. When the system pressure reaches the valve setting pressure, overflow valve open, the system pressure is depends on the pressure setting of the overflow valve. Suffered a fluid power and bias current panel, the fluid dynamics and the effectiveness of spring force in the opposite direction, and increased with the increase of the flow capacity. As the inlet pressure increasing. Because of this the valve inlet pressure is not affected by flow changes, the p - Q special ideal nature of the curve, opening and closing the nature of the special good, help the valve in the growth rate of flow. When the fluid pressure is less than the spring force of the spring pressure regulating, cone valve closure, the valve not regulating the utility. Q: safety relief valve structure principle and application of answer: ( 1) Structure principle 1) DBD straight moving type relief Industrial Valves. But because the fluid power also increases at the same time, structure eliminates spring force increment to each other. 。 When the fluid pressure is greater than the spring force, cone valve opens, the superfluous oil spill tank back, secure the oil inlet pressure on the setting. ( 2) Application 1) The relief valve (utility To avoid the hydraulic system) When the overflow valve relief valve utility is to limit the great pressure of hydraulic system, to ensure the safety of the system. a) The structure of 40 mpa valve; b) The structure of the 63 mpa valve 1 - The adjusting screw; 2 - The valve body. 3 - Pressure regulating spring; 4 - Bias current panel; 5 - The cone valve; 6 - Damping piston damping piston utility: it is in the cone valve open or closed on damping effect, often used to increase valve regulating safe sex; Second, on the cone valve guide utility, to increase the valve tightly closed performance. Under normal office things in the system, closed the valve does not overflow, the system of office outside pressure depends on the load. 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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