20" Aluminum Fuel Tank Manhole Cover with Adr Certificate

20" Aluminum Fuel Tank Manhole Cover with Adr Certificate. Emergency Exhaust Design: Automatically releases pressure in high temperatures to ensure tanker safety. P/V Vent Pressure Adjustment: Automatically inlets or exhausts air to balance pressure differences for safety. Secondary Open Design: Releases pressure when opening the binder plate to prevent worker injury. Customizable Blinding Holes: Three holes allow installation of Vapor Vent Valve, Sensor, or Dip Tube per demand. Anti-Leakage Safety: Prevents fuel leakage and protects the environment during tanker rollover. Versatile Fuel Compatibility: Suitable for transporting petroleum, diesel, kerosene, and other light fuels. ISO9001 Certified Manufacturer: Produced by a factory with ISO9001:2015 certification and 22 years export experience. Full Customization Options: Supports full customization, minor customization, and flexible design adjustments.