Pressure reducing valve is a kind of self regulating valve, it through the trims throttling, the inlet pressure drop to the required outlet pressure. When the inlet pressure and flow rate changes, with the power of elastic element and the medium itself to maintain basic constant outlet pressure. Now commonly used domestic throttle valve is commonly level, disc for cone. Primary throttling valve has good using effect in low pressure lowered, but in high pressure drop is easy to produce cavitation cause throttle a premature failure. So often is two or more relief valves used in parallel, and increase the operation cost and instability of the system. In order to solve the problem of high-pressure decompression of the rain, we design a two-stage throttling balance sleeve type pressure reducing Industrial Valves. Pressure reducing valve in the form of the structure direct action film type, direct acting bellows type, the forerunner diaphragm, the forerunner of corrugated tube and the guide piston, etc. No matter what kind of structure form, it is automatically by the elastic element balance medium pressure thus throttling pressure regulator valve opening, which is the core component of the pressure reducing valve disc, the use of its design is reasonable or not directly affects the pressure reducing valve performance. Pressure reducing valve disc structure of two level balance sleeve throttling sleeve valve open six middle area of the same orifice and ring to average distribution, as primary throttling mouth. Sleeve type disc upper and lower part of the open area of six different orifice and ring to average distribution, for the second orifice. Medium from the relief Industrial Valves inlet side, through the disc in the middle level 6 orifice throttling after entering the disc tubular space, because of the tubular space, the area under the same, upper and lower casing liquid under pressure offset balance, thus throttling area is not affected by inlet pressure change, medium through the disc after the upper and lower secondary throttle orifice into the relief valve outlet. Upper and lower among 12 of the area of the orifice and six level of the total area of the orifice are the same, two-stage throttling pressure close, namely basic distribution of average total throttle pressure reducing valve, to control the flow velocity. Top, middle and under every six orifice ring to average decorate, eliminating the side force. Two-stage throttling balance sleeve valve has many advantages: (1) can achieve two throttling, which can solve the problem of high pressure drop cases decompression, slows down the hydraulic impact, to avoid the cavitation occurrence, reduces the noise, can also be adapted to the low pressure drop of the reduced pressure. (2) through a simple structural design, making the disc in a balance of horizontal direction at the same time, also keep a good balance in vertical direction, reduces the design and manufacture cost. (3) lateral thrust balance disc, smooth, seat joint face life growth, structural optimization and reasonable. (4) the disc can be overall rapid disassembly, convenient maintenance. (5) elastic element corresponding to the outlet pressure of the secondary throttling only can improve the stability of the pressure reducing valve outlet pressure. In this paper, the keyword search: more Industrial Valves product information
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Individuals with varied technical skills use wedge valve in a wide range of applications.
have three basic components.