The Colasit CHVN radial fan is a high-pressure fan for high volumes of up to 132000 m³/h and high pressures of up to 5300 Pa. This robust plastic fan is available in different materials and drive systems, and offers the highest level of reliability. With its ability to be configured for various applications and many aggressive media, this radial fan is also suitable for hazardous areas in ATEX zones 1 and 2.

ATEX fans made of plastic for exhaust air and corrosive gases - Colasit



Volume flow:
min. 1500 m3/h to max. 132000 m3/h
Static pressure:
min. 400 Pa to max. 5300 Pa
Efficiency (tot. mech.):
up to max. 74 %
Inlet and outlet Ø:
315, 355, 400, 450, 500, 560, 630, 710, 800, 900, 1000, 1120, 1250 mm

Housing material

PE, PP, PPs, PPs-el, PVDF, PVC

Impeller material

PP, PPs, PPs-el, PVDF


Direct drive, V-belt drive


Galvanised, Stainless steel

Ex Protection

EX Logo

Version available in ATEX zones 1 + 2