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NRD: Non-Return Damper

A non-return damper is a type of valve used in duct systems to prevent air from flowing in a predetermined direction.

Standard Construction

  • Standard thickness is 150mm or 200mm.
  • Match the appropriate flange frame according to different sizes.

  • DW/144 standard

#Check valve#NRD

150 (W) x 150 (L) x 150 (D) mm
200 (W) x 200 (L) x 200 (D) mm
250 (W) x 250 (L) x 150 (D) mm
250 (W) x 250 (L) x 200 (D) mm
300 (W) x 300 (W) x 150 (D) mm
Custom sizes are available.

BASE SIZE

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