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廣泛應用于石化、 化工等領(lǐng)域的裝置、 壓力容器及管路中 ， 提供高性能、高可靠性的超壓保護，特殊的內部結構設計可保證在較小超壓的惜況下迅速開(kāi)啟，可調式閥芯可使閥門(mén)獲得滿(mǎn)意的啟閉壓差，精良的加工工藝保證閥門(mén)具有高度密封性和超長(cháng)的使用壽命。

 The special internal structure design of boilers, pressure vessels and pipelines widely used in petrochemical, chemical and other related fi elds can ensure the rapid opening under the action of small overpressure. The adjustable safety valve can make the valve obtain a satisfactory opening and closing pressure diff erence. The sophisticated processing technology ensures that the valve has a high degree of sealing and an ultra-long service life.