Manhole Cover

Manhole Cover is a sealing cover for the maintenance opening of storage tanks, containers and other equipment, with a locking and sealing structure to achieve opening closure and convenient opening and closing. It is the core supporting component for equipment maintenance and repair.Widely used in industries such as petrochemicals, chemicals, food and pharmaceuticals, and water supply and drainage, it is compatible with various types of storage tanks and reaction vessels for personnel to enter and exit equipment for maintenance, feeding, and cleaning. At the same time, it seals equipment to prevent medium leakage and impurity infiltration.

Common Types

  • Stainless steel manhole cover: made of 304/316L material, corrosion-resistant and rust proof, suitable for corrosive media/sanitary working conditions
  • Quick opening manhole cover: snap/spin lock, easy to open and close, suitable for high-frequency maintenance feeding
  • Pressure bearing manhole cover: thickened sealing design, resistant to certain pressure, suitable for pressure bearing storage tanks/containers
  • Atmospheric manhole cover: lightweight structure, suitable for routine maintenance of atmospheric storage tanks

Structural Advantages & Corresponding Benefits

  1. Multi sealing surface locking structure

  • Special point:  Equipped with corrosion-resistant sealing gasket, multiple bolts/buckles are evenly locked, and the sealing surface is precisely fitted
  • Result:Excellent sealing performance, preventing medium leakage and external pollution, suitable for multi-media storage conditions

  1. Hinged opening and closing structure

  • Special point: thickened hinge connection, easy opening and closing, with limit and anti detachment design
  • Result: The maintenance and opening operation is convenient, reducing the difficulty of manual operation and improving equipment maintenance efficiency