After turning off the gas or electricity open the drain valve at the tank bottom.
在关闭燃气或电源后可开启罐底的排水阀。
2
TANA42F inner assemble safety valve is to be applied to liquefied gastank lorry in railroad and automobile or ground liquefied gas tank, to provide overpressure protection.
TANA42F内装式安全阀主要用于铁路和汽车石油液气槽车或地面液气储罐上，起超压安全保护作用。
3
As the leakage of liquefied petroleum gastank is full tank, the tank pressure to a larger, firefighters tried hard to shut the valve several times.