Rotary locks

Product description

For usage at an outlet of drainage system or for flood protection. The rising water level pushes the cover against the frame and stops the backflow.


  • Size: up to 4000 mm x 1500 mm
  • For rectangular openings for doweling to the concrete wall

Corrosion resistance

  • Maximum corrossion protection due to stainless steel, all acid cleaned and passivated.


To install the locks first adjust the frame to the wall opening and dowel it to the wall. After this a psoition device will help to adjust the cover to the frame. The cover is also doweled to the concrete wall.

Areas of application

  • Drainage systems
  • Flood protection


  • Stainless Steel SS304/316Ti
  • Sealing: EPDM, NBR
Rotary locks

We will be pleased to consult you
+49 (911) 46 254-0

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