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OLR-APressure control valve

OLR is a rectangular pressure control valve for installation directly onto a wall. OLR consists of two sound-attenuating baffles, which are mounted either side of the wall and connected by means of the accompanying perforated wall sleeve, which ensures excellent noise reduction.

  • High capacity
  • Sound-attenuating baffles
  • Can be installed in wall thicknesses from 90-170 mm