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ZZC自(zi)力(li)(li)式微(wei)(wei)壓(ya)調節閥(fa)(fa)主(zhu)要(yao)用于儲(chu)罐頂部(bu)氮(dan)(dan)(dan)氣(qi)壓(ya)力(li)(li)恒定(ding)控(kong)制，以保護(hu)罐內物料(liao)不(bu)被氮(dan)(dan)(dan)化及(ji)(ji)儲(chu)罐安全。氮(dan)(dan)(dan)封裝(zhuang)置(zhi)由ZZDG微(wei)(wei)壓(ya)供氮(dan)(dan)(dan)閥(fa)(fa)及(ji)(ji)ZZDX微(wei)(wei)壓(ya)泄氮(dan)(dan)(dan)閥(fa)(fa)兩大部(bu)分組成(cheng)(cheng)。泄氮(dan)(dan)(dan)閥(fa)(fa)由壓(ya)力(li)(li)控(kong)制器及(ji)(ji)ZMQ-16K型單(dan)座切斷(duan)閥(fa)(fa)組成(cheng)(cheng)

自(zi)(zi)力式壓差(cha)平(ping)衡(heng)閥不需外來能源依靠被控(kong)介(jie)質(zhi)自(zi)(zi)身壓力變化進(jin)行自(zi)(zi)動(dong)(dong)(dong)調節，自(zi)(zi)動(dong)(dong)(dong)消除管網的剩余壓頭及壓力波動(dong)(dong)(dong)引起的流量偏差(cha)恒定(ding)用(yong)戶進(jin)出口壓差(cha)，有助于(yu)穩定(ding)系統運行，特(te)別適用(yong)分戶計量或自(zi)(zi)動(dong)(dong)(dong)控(kong)制系統中(zhong)