Square manhole cover and frame

Sewer manhole covers are round to prevent them from falling. However, some manhole covers are square because they are not sewer manholes or similar deep wells, but rather shallow pits that require large openings. For example, used in telecommunications and power sectors.

Square manhole cover and frame


both color and size can be customized at specfic requirment


  1. The patterns is nonskid and the stainless steel screwlock is anti-theft

  2. The handle hole is waterproof

  3. Light weight 

  4. Super corrosion resistance ,wear resistance

  5. High strength,low price ,convenient installation and maintenance

manhole cover and frame (3).jpgmanhole cover and frame (1).jpgmanhole cover and frame (5).jpg