Plastic Centrifugal Fans - Corrosion Resistant

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Design

Fume extract fans

All-polypropylene moulded construction fans, designed to extract and resist the widest range of corrosive chemical fumes at temperatures up to 50°C. The fans can be installed in plant rooms or outdoors (frequently on laboratory rooftops). All impellers are factory balanced to ISO1940 G6,3, Motors are IP55 direct drive as standard, or ATEX Directive flameproof specials.

Available in a choice of rotation and discharge angle.

Accessories to vibration isolate the fan, and to adapt it to the system ductwork. See related web product pages Fume Cupboard Alarms and Controls and technical details on 'S' Range noise.

Application

Laboratory fume cupboard ventilation, chemical store extract, safety cabinet extraction, industrial washers & industrial scrubbers, local fume extraction arms, odour filtration, explosive gas ventilation, chemical fume hoods.

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SPECIFICATION

Motor Type Standard, out of airstream Supply Single and three phase models
Protection IP54/IP55 standard + specials Impellers Forward-curved in moulded polypropylene
Features Moulded polypropylene scroll housing, 'O' ring sealed. Models to suit fume cupboard and filtration systems Mounting Standard and weather protecting pedestals
Pressure Medium Speed Control Frequency inverter drive only
Size Ø150 to 350 impellers Flow rate 10000 m³/h maximum
Pressure 1500 Pascals maximum    

'S' Range Noise

SOUND POWER (Lw) in dB

SOUND PRESSURE at 3m range in dB(A)

S15/125

/min dB(A) 63 125 250 500 1000 2000 4000 8000 Hz
1450 58 39 52 60 64 64 60 56 48 dB
2870 75 56 69 77 81 81 77 73 65 dB

S20/160

/min dB(A) 63 125 250 500 1000 2000 4000 8000 Hz
960 53 34 47 55 59 59 55 51 43 dB
1450 65 46 59 67 71 71 67 63 55 dB
2870 81 62 75 83 87 87 83 79 71 dB

S25/200

/min dB(A) 63 125 250 500 1000 2000 4000 8000 Hz
960 59 42 55 63 67 68 64 60 51 dB
1450 69 52 65 73 77 78 74 70 61 dB
2870 87 70 83 91 95 96 92 88 79 dB

S30/250

/min dB(A) 63 125 250 500 1000 2000 4000 8000 Hz
960 63 48 61 69 73 74 70 66 57 dB
1450 75 60 73 81 85 86 82 78 69 dB