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WA42F46-16C襯氟安(an)(an)全(quan)(quan)閥(fa)是根據(ju)壓(ya)(ya)力(li)系統(tong)(tong)(tong)的工(gong)作壓(ya)(ya)力(li)自(zi)動啟閉(bi)，一般安(an)(an)裝于封(feng)閉(bi)系統(tong)(tong)(tong)的設備或(huo)(huo)管路上保護系統(tong)(tong)(tong)安(an)(an)全(quan)(quan)。當(dang)設備或(huo)(huo)管道(dao)(dao)內壓(ya)(ya)力(li)超過(guo)(guo)彈簧式安(an)(an)全(quan)(quan)閥(fa)設定(ding)壓(ya)(ya)力(li)時，即(ji)自(zi)動開(kai)啟泄壓(ya)(ya)，保證設備和(he)管道(dao)(dao)內介質壓(ya)(ya)力(li)在設定(ding)壓(ya)(ya)力(li)之下，保護設備和(he)管道(dao)(dao)正常工(gong)作，防止發生意外，減少損失。彈簧式安(an)(an)全(quan)(quan)閥(fa)在系統(tong)(tong)(tong)中起安(an)(an)全(quan)(quan)保護作用。當(dang)系統(tong)(tong)(tong)壓(ya)(ya)力(li)超過(guo)(guo)規定(ding)值時，彈簧式安(an)(an)全(quan)(quan)閥(fa)汀開(kai)，將系統(tong)(tong)(tong)中的一部分(fen)氣體排入大(da)氣，使(shi)系統(tong)(tong)(tong)壓(ya)(ya)力(li)不超過(guo)(guo)允許值，從而保