SB 250 E – SilentBox Centrifugal Fan – Helios

SB 250 E – SilentBox Centrifugal Fan – Helios

Very quiet fans in an acoustic casing ideal for ventilating noise sensitive areas achieving good volumes at high pressures.

A fully speed controllable centrifugal fan range suitable for indoor use terminal box rated IP55 (weatherproof) with a pre-galvanised steel casing.

With circular spigots for connecting to ducting using pipe clamps.

• Super quiet and powerful centrifugal fan for use with 125 mm dia ducting.
• 2 speed options available.
• Easy access to motor and impeller.
• High performance up to 132 l/s and 102l/s.
• 1 Year no quibble warranty.
• Quality assured by the manufacturer ISO9001.

Product PDF: 

Helios SP Range