RVKS Non-return damper


​RVKS a non-return damper for installation into ductwork.

  • Prevents air backflow
  • Protects ventilations systems from rainwater
  • Easy to install
RVKS can be installed into horizontal or vertical duct system

RVKS are constructed of two parts: a frame and a removable louvre.

Standard sizes every 100 mm. Minimum size 200×200 mm and maximum 800×1200 mm. Larger louvres are manufactured in modules.
Dimensions RVKS B x H
Width mm
Height mm
Depth 210

For more information contact our specialists

Tuukka Karlsson

Product Group Manager, NORDduct, NORDdiffuser, NORDexternal, NORDdoor, NORDgrille and NORDsilencer

Raino Viira

Product Group Manager, NORDdamper, NORDfire, NORDroof & NORDexternal