1、適用于聚酯、乙烯、煉重油、尿素化肥等裝置中，介質(zhì)需保溫的場(chǎng)合，起安全泄壓作用。
2、對(duì)進(jìn)口法蘭及閥體都進(jìn)行保溫，保溫效果好。
3、波紋管平衡結(jié)構(gòu)，消除背壓對(duì)安全閥開(kāi)啟壓力的影響，并使彈簧等零件不易受到介質(zhì)的侵蝕。
4、用材嚴(yán)格按用啟介質(zhì)、溫度等情況選用。

1.Serviced for equipment of Polyester,Ethylene,refining asphalt oil and Urea which need heat preservation and safety in fressure relief.
2.Heat preservation is for inlet and outlet flange and body and the effect is very well.
3.Balanced Bellows construction dispels influence of back pressure,prevent Spring and Parts from eroding.
4.Materials are strictly chosen as medium and temperature supplied by consumers.