GYA液压安全阀

1、  液压式安全阀是（活瓣式） 呼吸阀的安全备用设备，它的吸气和呼气的动作压力略高于（活瓣式）呼吸阀一量失灵或在冬季其活瓣冻结时，液压安全阀的液封即被破环从而保护油罐免遭破环。

2、  液压安全阀装于油罐顶部与呼吸阀配合使用。

3、  控制压力：+56毫米水柱至-50毫米水柱。

1.     liquid-pressure style safety valve is a assistant equipment of the breathing valve(moving disc style),the active pressure of aspera-tion and expiration is higher than breathing valve(moving disc style ),asupon Shielding="font-size: 10pt;">2.     liquid-pressure safety valve will beinstalled in top of oil tank and assorted used with breathing valve.

3.     the control pressure:+56mm water columm to -50mm water columm.