The cover is designed for manholes made of corrugated pipes with an internal diameter 315mm

The cover is used as the top of manholes for sewers, drainage systems, deep wells, water mains and is also ideal as an inspection shaft for a rainwater storage tank or domestic sewage treatment plant.
To prevent uncontrolled opening, the cover is fitted with safety screws.

• Diameter: 315 mm
  
  
• Total diameter: 360 mm
  
  
• Load class: 1,5 t
  
  
• Material: high-quality, durable polypropylene
  
  
• Colour: black
  
  
• Quality product: EN 124
  
  
• Deformation-resistant product
  
  
• The product is resistant to aggressive chemical compounds
  
  
• The product is resistant to both high and low temperatures
  
  
• Non-slip surface
  
  
• UV stabiliser – significantly increases weather resistance and maintains the intense colour of the product