Durable Aluminium Alloy Manhole Cover for Industrial Use

Durable Aluminium Alloy Manhole Cover for Industrial Use. Emergency Exhausting Design: Automatically releases internal pressure in high temperatures to ensure tanker safety. P/V Vent System: Adjusts pressure differences automatically to ensure safety and environmental protection. Secondary Open Design: Releases pressure upon opening to prevent workers from being pushed over. Blinding Holes Design: Three holes allow installation of Vapor Vent Valve, Sensor, or Vacuum Valve per demand. Superior Process Performance: Stamped main plate design ensures the cover is lightweight yet sturdy. Wide Fuel Compatibility: Suitable for transporting petroleum, diesel, kerosene, and other light fuels. OEM and ODM Services: Customization available from both samples and designs. 1-Year Warranty: Comprehensive warranty coverage for peace of mind.