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SPI-F-100/NM230A Iris Damper

smoke extract fan

Mid-frequency band, Hz
  63 125 250 500 1K 2K 4K
SPI-F 100 11 10 3 -2 -8 -16 -24
SPI-F 125 7 8 2 -4 -11 -19 -27
SPI-F 160 9 6 1 -5 -11 -18 -27
SPI-F 200 9 5 1 -5 -12 -17 -24
SPI-F 250 6 1 -4 -3 -12 -17 -24
SPI-F 315 3 1 -4 -4 -9 -14 -23
Tolerans ±6 ±5 ±2 ±2 ±2 ±2 ±3

 

Our products

NGM Company is one of the largest suppliers of fans for use in various building ventilation applications.

NGM Company supplyes our clients with a full range of air terminal devices.

Regulating efficiently the natural environment, NGM Company's units can create silently the perfect indoor conditions; your conditions!