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APTECH調壓閥作用原理：工作時，假定出口壓力小于指揮器控制彈簧的設定值，指揮器控制彈簧的力然后克服出口壓異常控制條件下要求主閥快速關閉時，泄壓閥打開以增加泄壓速度。作用到主閥膜片上數值增加后的出口壓力加上主閥彈簧的彈力，就能克服作用到主閥膜片上數值減小的加載壓力，將節流套推向靜止閥座，使流向下游系統的氣量減少

APTECH調壓閥三個結構特點：

　　1、調壓閥的本體帶導葉消能和補氣的閥殼、錐型或圓形的閥盤、平衡腔、接力器、引導油腔、活塞行程限制環、進排水管和補氣閥等組成.接力器及引導油腔直接與閥殼連成整體,體積小,結構簡單,布置緊湊.

　　2、流量特性.根據調壓閥的閥塞類型和Yx/Dx值查詢單位流量得到調壓閥的相應流量Q,從而可以繪制出各種調壓閥的開度與流量關系曲線.

　　3、操作特性.調壓閥低操作油壓的范圍隨著調壓閥工作水頭的提高而提高。

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APTech減壓閥AP1210S 2PW FV8 MV8廠家供應