air flow constant regulators for circular ducts. Automatic mechanical functioning, without auxiliary energy to maintain air flow constant within a differential pressure range.
galvanised steel. Working temperature: -20° +70°C.
for all ventilation systems to maintain air flow constant, independently of the pressure variations within the range of accepted values.
Brofer Srl - All rights reserved - P.I. 01459590285
Share Cap. € 1,500,000 f.p. – REA TV 410434
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