Graf DN400 manhole cover with gasket – for septic tanks and treatment

DN400 cover with gasket for Graf, AQ and Aquabin tanks

A round manhole cover in green, designed to close the inspection opening of septic tanks, biological treatment plants and grease separators. It fits tanks with a DN400 collar, such as Biosmart Graf, AQ or Aquabin.

Construction

• durable plastic body,
• integrated gasket limits the entry of odors and water,
• threaded connection with the riser,
• D400 class closure according to the manufacturer's description.

Use

The cover is also suitable for rainwater storage tanks with an appropriate inspection opening diameter. It is a typical part replaced after the original cover is damaged or lost.

Specifications