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APTECH調(diào)壓閥AZ1015S 2PW FV4 FV4 原裝供應(yīng)

APTECH調(diào)壓閥作用原理：工作時(shí)，假定出口壓力小于指揮器控制彈簧的設(shè)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(guān)閉時(shí)，泄壓閥打開以增加泄壓速度。作用到主閥膜片上數(shù)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(shù)值減小的加載壓力，將節(jié)流套推向靜止閥座，使流向下游系統(tǒng)的氣量減少

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APTECH調(diào)壓閥AZ1015S 2PW FV4 FV4 原裝供應(yīng)