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Helios cold smoke shut-off Helios ,

  • Item number: 2587
  • RVE 100
  • Insertable tube closure flap
  • airtight
  • DN 100 MS 1930 , 5 / 2000 , 1930
  • Operating temperature range from -20 to +90 ° C.
  • By simply inserting it into ventilation pipes, it is ideal for subsequent installation.
  • Plastic ring with circumferential double lip seal and tightly fitting rubber membrane that opens when there is negative or positive pressure
  • Supplied with two membranes for different flow speeds.
  • With a horizontal flow, the positioning of the bar that holds the rubber membrane must always be vertical.
** Average Wholesale Price