APTECH調壓閥AZ1015S 2PW FV4 FV4 原裝供應

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

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APTECH調壓閥AZ1015S 2PW FV4 FV4 原裝供應