A21H/W彈簧微啟式螺紋安全閥介紹型彈簧微啟式外螺紋安全閥Springloadedlowliftexternalthreadsafetyvalve用途UseA21H型適用于工作溫度200C的空氣、氨、石油氣等介質(zhì)的設(shè)備和管路上

A21H/W彈簧微啟式螺紋安全閥介紹

型彈簧微啟式外螺紋安全閥Spring loaded low lift external thread safety valve

用途Use

A21H型適用于工作溫度≤200°C的空氣、氨、石油氣等介質(zhì)的設(shè)備和管路上。
A21W型適用于工作溫度≤200%C含腐蝕性的氣體或液體的設(shè)備和管路上。
A21F型適用于工作溫度≤200C的液化氣、石油氣等設(shè)備和管路上，作為超壓保護(hù)裝置。

A21H type is suitable for the working temperature of 2009Cor less medium such as air, ammonia, liquefied petroleumgas (LPG) of equipment and piping. A21W type is suitablefor the working temperature of 2009C or less corrosivegas or liquid equipment and piping. A21F type is suitablefor the working temperature of 2009C or less liquefiedpetroleum gas, liquefied petroleum gas (LPG) and otherequipment and piping, as the overpressure protectiondevice.