Aluminum Alloy Fuel Tanker Manhole Cover manhole cover for semi-trailer20 Inch four holes tank manhole coverAluminum Alloy Fuel Tanker Manhole Cover d460Aluminium Fuel Tank Top Loading Tanker CoverAluminum API Loading And Unloading ValveAluminum Oil And Gas Vapor Vent ValveAluminum Vapoor Adaptor Valve2.5" 3" 4"Aluminum Vapor Recovery JointAluminum Optic Anti-Overfill Top SensorFuel Tanker Pneumatic Control Block
1. Manhole Cover Manhole Cover is installed on the top of the tanker to prevent the inside fuel from leakage when the tanker is over rolled. With P/V vent inside to adjust the pressure.When there is pressure differences inside and outside the tanker ,it will automatically inlet or exhaust air to adjust the pressure so that it can ensure the safety and environment protection.It is suitable to transpore petroleum ,diesel,kerosene,and the other light fuel,etc.
20 Inch four holes tank manhole cover