Manhole Cover
Manhole Cover is installed on the top of road tanker to prevent the inside fuel from leakage when fuel 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 environmental protection.It is suitable to transport petroleum,diesel etc.
Technical Data
Nominal diameter |
10" |
Emergency open pressure |
21kpa~35kpa |
Max emergency flow rate |
7000m^3/h(when 35kpa) |
Material |
Aluminum |
Installation |
Flanged |
Temperature range |
-20~+50°C |
Function& Feature
1.Big plate & small plate are , oxidation treatment on the surface.
2. Can be install double P/V vent valve according to requirements.
3. Big plate three hole, it can be installed with optic sensor, dip tube or external vacuum valve.