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Product Description
It’s specially manufactured for exhausting for fire fighting, piping construction and in other violent working situation for ventilator. With good insulation, high pressure and large air volume character. Portable ventilator connect with flexible duct, with easy to carry characteristics, It can be used at tunnel, basement, ship building or welding, laboratory, warehouse to ventilate waste air, harmful gas, dust etc.
Blowing bad gas when welding shipbuilding , canning ,bridge ,chemical lab ,depot , mining , oil field.-Good insulation performance, convenient to move. Widely used in ships, flammable and explosive gas stations and other places, effectively prevent the fan start, operation, close of the electrical spark, ensure the use of safety!
Used in the hazard area Zone 1,Zone 2 (IEC hazard area classification),Class 1,Class 2,Division 1,Division 2, Group B,C,D area.(NEC hazard area classification)。
Explosion-proof mark : Exd Ⅱ BT4.
Standards
The explosion- Proof air conditioners are produced based on the Ex standards as below:
GB3836.1-2000《Electrical apparatus for explosive gas atmospheres Part one: General requirements and test methods》, which is equivalent to IEC60079-0:1998
GB3836.2-2000《Electrical apparatus for explosive gas atmospheres Part two: Flameproof enclosure “d”》,which is equivalent to IEC 60079-1:1990)
Models and Technical specifications
Model | Diameter(mm) | Voltage(V ) | Frequency(Hz) | Speed (r/min ) | Power(W ) | Air flow (m3/h) | air pressure(Pa) |
BSFT-300 | 300 (12'') | 220 | 50/60 | 2800 | 370 | 370-3300 | 350-500 |
BSFT-500 | 500 (20'') | 110 | 60 | 1450 | 750 | 680-10000 | 185-2000 |
BSFT-500 | 500 (20'') | 220 | 50/60 | 1450 | 750 | 680-10000 | 185-2000 |
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