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500X持(chi)壓(ya)(ya)泄(xie)壓(ya)(ya)閥(fa)主要(yao)用于消防(fang)或其他供(gong)水(shui)系(xi)統(tong)中，以(yi)防(fang)止(zhi)系(xi)統(tong)超壓(ya)(ya)或維(wei)持(chi)消防(fang)供(gong)水(shui)系(xi)統(tong)的壓(ya)(ya)力。消防(fang)泵關閉后(hou)還可以(yi)減小水(shui)錘(chui)的沖(chong)擊。也用于大型供(gong)水(shui)系(xi)統(tong)的水(shui)錘(chui)裝(zhuang)置(zhi)

安(an)全泄(xie)壓(ya)(ya)/持壓(ya)(ya)閥(fa)(fa)(fa)-AX742X主(zhu)要用(yong)于(yu)消防(fang)(fang)或(huo)其他供(gong)水(shui)(shui)系統(tong)(tong)(tong)(tong)中(zhong)，以防(fang)(fang)止系統(tong)(tong)(tong)(tong)超壓(ya)(ya)或(huo)維持消防(fang)(fang)供(gong)水(shui)(shui)系統(tong)(tong)(tong)(tong)的(de)壓(ya)(ya)力。消防(fang)(fang)泵關閉后還可以減小水(shui)(shui)錘的(de)沖擊。也用(yong)于(yu)大(da)型供(gong)水(shui)(shui)系統(tong)(tong)(tong)(tong)的(de)水(shui)(shui)錘裝置(zhi)。該閥(fa)(fa)(fa)由主(zhu)閥(fa)(fa)(fa)和針型調(diao)節閥(fa)(fa)(fa)、導閥(fa)(fa)(fa)、球閥(fa)(fa)(fa)及(ji)接(jie)管系統(tong)(tong)(tong)(tong)組(zu)成，主(zhu)閥(fa)(fa)(fa)采用(yong)了 全力和調(diao)節針型閥(fa)(fa)(fa)開(kai)度設定供(gong)水(shui)(shui)系統(tong)(tong)(tong)(tong)的(de)壓(ya)(ya)力，并通過接(jie)管系統(tong)(tong)(tong)(tong)和控制(zhi)室的(de)反饋(kui)作(zuo)用(yong)來穩定供(gong)水(shui)(shui)系統(tong)(tong)(tong)(tong)的(de)壓(ya)(ya)力，不需要附(fu)加(jia)其它裝置(zhi)和能源(yuan)，維護保養簡便，壓(ya)(ya)力控制(zhi)準確度高，性能可靠。