Aluminium Alloy Manhole Cover JSMC-460

Introduction:this product is designed for transportation safety of tank truck,it is installed in the top of the tank truck,has function of preventing overflow after rollover,anti-explosion.It can also balance the pressure inside the oil tank and the pressure outside.It is suitable for gasoline,kerosene,diesel and other light fuel tank truck,meet GB8564.1-2006 standard.