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Centrifugal Fans
Centrifugal Fans
Witt India Pvt. Ltd. offers Centrifugal Fans. These centrifugal fan range has been developed to allow most combinations of volume flow rate and pressure to be realised with direct drive fans. Since the fan range is based on a modular system the majority of fans can be manufactured from standard components. This allows for short through put times and competitive prices.
The fan selection graphs make possible a quick selection of the centrifugal fans normally used at 50 Hz. They provide the fan type, the size, number of poles of the motor, the shaft power and the sound power.
The quick selection tables/nomogramme sheets and dimensions sketches give an overview of the most commonly used centrifugal fans.
In addition to the shown standard fans we also manufacture a large number of special designs, according to customer needs on a one-off basis. In case of demand for special fans please inquire.
- Inlet size: 63 up to 2500 mm
- Casing thickness: 1,5 up to 20 mm
- Casing types:
- RNN (Low pressure)
- LRZ (Low pressure)
- PRZ (Medium pressure)
- MRZ (Medium pressure)
- HRZ (High pressure)
- SRZ (Ultra high pressure)
- Impeller types: Minimum 6 types per casing including dust impellers
- Motor frame size: 63 up to 450
- Drive type: Direct, Coupling or Belt drive
- Material: Steel, aluminium, special alloys
- Surface treatment: Primer, finish, Hot dip galvanized, Special crating
- Outlet position: According to Eurovent
- Special design: Flame-proof, extreme temperature, gas-tight, decontaminable, corrosion resistant, earth quake safe, shock proof, according to requirements