[" pneumatically controlled control阀在失气后的阀位状态

2017-09-24View Original

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" pneumatically controlled调节阀在失气后，是保持当前状态还是会动作，比如带弹簧的薄膜调节阀在失气后的状态、不带弹簧的调节阀在失气后的阀位状态？还有只有开关状态的双线圈的两位电磁阀在失气后的状态？谢谢！

Reply #22017-09-24

" 你说的应该是气开式或气关式的 pneumatically controlled调节阀吧？

Reply #32017-09-25

" 电动阀、气动阀一般有三断保位、三断开启、三断关闭这几种形式，这就需要看你阀门当初要求是哪种

Reply #42017-09-25

" �气开式在失气时阀门会动作关闭它；气关式调节阀在失气时阀门会动作打开。不管有没有带弹簧，都只是与F."或F.O有关

Reply #52017-10-01

" �气开、气关、正作用、反作用，

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[" pneumatically controlled control阀在失气后的阀位状态

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