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進口蒸汽減壓閥由主閥和導閥兩部分組成，該系列產(chǎn)品在普通減壓閥基礎(chǔ)上做了以下改進,加大了活塞面積,改變了節(jié)流結(jié)構(gòu),改變了密封形式,改 進了導閥結(jié)構(gòu)和調(diào)節(jié)彈簧形式,主閥主要由閥座、主閥盤、活塞、彈簧等零件組成。導閥主要由閥座、閥瓣、膜片、彈簧、調(diào)節(jié)彈簧等零件組成。通過 調(diào)節(jié)調(diào)節(jié)彈簧壓力設(shè)定出口壓力、利用膜片傳感出口壓力變化,通過導閥啟閉驅(qū)動活塞調(diào)節(jié)主閥節(jié)流部位過流面積的大小，實現(xiàn)減壓穩(wěn)壓功能。性能的 提高的表現(xiàn)形式有改善了流線分布，降低了噪聲，與此同時也提高了對出口壓力變化的傳感效能，提高了靈敏度，大大降低了因上游壓力變化，流量 變化等因素引起的壓力偏差，在密封面結(jié)構(gòu)進行了改進延長了密封面壽命。高靈敏度蒸汽減壓閥的特性。

譯文：

High sensitivity steam pressure reducing valve consists of two parts, the main valve and pilot valve, this series of products based on the ordinary pressure reducing valve made the following improvement, increased the piston area, changed the structure of throttling, changed the seal form, improve the pilot valve structure and regulation of the spring form, the main valve is mainly composed of valve seat, the main valve, piston, spring and other parts. Pilot valve is mainly composed of the seat, disc, diaphragm, spring, adjusting spring and other parts. By adjusting the adjusting the spring pressure setting outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pilot valve opening and closing drive piston to adjust the size of the main valve throttle position over-current, realize the function of reduced pressure regulator. Could improve the expression form of improving the performance of the streamline distribution, reduces the noise, at the same time also improves the sensor performance to the outlet pressure changes, improves the sensitivity, greatly reduces the due to changes in upstream pressure, pressure caused by the change in the flow deviation, in the sealing surface structure is improved to extend the working life of the sealing surface

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