Specifications
The CHVS 63-250 is a high-pressure radial fan made of plastic, suitable for both direct and V-belt drive systems. It offers a flow rate ranging from 60 m3/h to 5,300 m3/h and a static pressure between 450 Pa and 7,000 Pa, with a maximum efficiency of 80%. The inlet diameters available are 63, 90, 125, 160, 200, and 250 mm.

Housing
The fan features a self-supporting plastic construction that is welded and available in materials such as PP, PPs, PPs-el, PE, PVC, and PVDF. It offers six different outlet positions.

Impeller
The impeller consists of 12 backward-curved blades, mechanically welded, and available in PP, PPs-el, and PVDF.

Support
The support structure is made of dimensionally stable sheet metal, with a powder-coated support and motor plate, and is available in stainless steel.

Drive
For direct drive, the impeller is mounted directly onto the motor shaft. The V-belt drive uses a flange for power transmission and includes a simple tensioning system for easy belt adjustment or replacement.

Motor
The fan uses a standard three-phase motor, available in one or multi-stage configurations, with a foot motor design.

EX-Protection
The fan is ATEX certified for use in zones 1 and 2.

Hub Seal
Standard hub seals are provided, with options for simple or double lip seals (V4A or Hastelloy), back absorption, sealing gas, and back plates.

Accessories
Available accessories include PVC sleeves with fixing bands or flanges, counterflanges, drains, vibration absorbers for ground or ceiling installation, splinter protection, weather-proof motor covers for outdoor installation, and frequency converters with IP ratings of 66, 54, or 20.

Dimensions
Specific dimensions are not detailed in the document.

Note: This document is subject to alterations and was published in 2011 by COLASIT AG Spiez.