Lucoma AG

Back-draught dampers

Rückschlagklappe aus verzinktem Stahl mit Alu Lamellen

Back-draught dampers prevent return flow or the ingress of unwanted air. In operation the blades are open. When pressure drops or air flows back, the blades close automatically.

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back-draught damper with blades

RSK: Standard version, flutter damper

The  RSK back-draught damper is a simple negative or excess pressure damper, and is also available as a flutter damper. It comes with all the high-quality attributes of Lucoma dampers and features reliable functionality and robust construction. The DRK is available in any combination of galvanised steel or stainless steel with aluminium or stainless steel blades.



non-return damper for rounde ducts with round transition

RSKr: With round transition




Application:
The RSK back-draught damper is installed to prevent return flow or the ingress of unwanted air or to maintain conditions in complex duct networks at a precise pressure.


back-draught damper or non-return valve

RSK: Blades coupled with rod linkage




Function:
The RSK back-draught damper is available with independent and free moving blades, as flutter damper or with blades coupled to an outer rod linkage. In operation the blades are open. When pressure drops or air flows back, the blades close automatically. The damper is also suitable for high pressure requirements. The release pressure is not adjustable on the RSK.


non-return damper or back-draught valve for round ducts

RSKr: Round version up to max. Ø 700 mm



Round design:
For fitting in round ducts with flange connection on both sides according to customer specifications or plug-in ends. Purely mechanical flutter damper, no electrical parts. Very low leakage in case of counter pressure.

Find out more about the RSK in the brochure or ask one of our experienced staff to advise you.