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ATEX centrifugal
ATEX centrifugal fans — MBX and MAX series with anti-spark ring for Zones 2 and 22
ATEX centrifugal fans are used when a ventilation installation in an ATEX-classified area requires higher static pressure than an axial fan can deliver — long duct runs, filters, multiple bends or high hydraulic resistance. Unlike ATEX axial fans which operate optimally at pressures below 200–300 Pa, MBX and MAX centrifugal fans deliver 300–700 Pa and maintain airflow through complex installations.
MBX Series — ATEX medium-pressure single-inlet centrifugal fan:
- Steel casing with anti-corrosion protection through epoxy paint
- Single-inlet aluminium rotor with forward-curved blades and anti-spark ring in aluminium or copper — the ring prevents mechanical sparks from accidental rotor-casing contact, a fundamental requirement in explosive atmospheres
- Standard ATEX short-circuit asynchronous motor, IP55 Class F
- Maximum working temperature: 80°C — covers hot air applications without risk of losing certification
- Supply: 230V single-phase, 230/400V or 400/690V three-phase
- Range: from MBX 16/6 (0.09 kW, 600 m³/h) to MBX 31/12 (2.2 kW) and larger
- Certified to Directive 2014/34/EU with LOM notified body number
MAX Series — Zone 2 certification (Ex ec IIC T3 Gc):
- Same steel + aluminium construction as MBX
- ATEX motor certified specifically for Zone 2 with Ex ec marking (motor protected against ignition by construction)
- Temperature class T3 (max 200°C motor surface) — more permissive than T4, suitable when the ignition source is not a very low ignition-point gas
- Range: MAX 28 (1.1 kW) → MAX 31 (2.2 kW) and larger
Practical difference MBX vs MAX: MBX with II2G certification can be used in both Zone 1 and Zone 2 — more versatile, higher price. MAX with Zone 2 certification is dedicated exclusively to zones with infrequent explosive atmosphere risk — more accessible price when DPIA confirms Zone 2.
Applications: extraction from classified areas with long ductwork (chemical, pharmaceutical, coating), extraction from chemical treatment baths through ducting, general ventilation in halls with rubber or synthetic materials production, solvent warehouse extraction with complex installations.
👉 ATEX Axial fans — for low-pressure installations and direct mounting 👉 ATEX Roof fans — when extraction goes through the roof
Centrifugal fan ATEX - NIMUS 311 T2 1,1kW
NIMUS 311 T2 1,1kW
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Centrifugal fan ATEX - NIMUS 311 T4 0,37kW
NIMUS 311 T4 0,37kW
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Centrifugal fan ATEX - NIMUS 351 T2 2,2kW
NIMUS 351 T2 2,2kW
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Centrifugal fan ATEX - NIMUS 351 T4 0,37kW
NIMUS 351 T4 0,37kW
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Centrifugal fan ATEX - NIMUS 401 T2 4kW
NIMUS 401 T2 4kW
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Centrifugal fan ATEX - NIMUS 451 T2 7,5kW
NIMUS 451 T2 7,5kW
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Centrifugal fan ATEX - NIMUS 451 T4 0,75kW
NIMUS 451 T4 0,75kW
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Centrifugal fan ATEX - NIMUS 501 T4 1,5kW
NIMUS 501 T4 1,5kW
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MAX 26 M2 0,37kW Zone 1 (Ex db IIC T4 Gb)
MAX 26 M2 0,37kW Zone 1 (Ex db IIC T4 Gb)
Centrifugal medium pressure atex fan.
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MAX 27 T2 0,55kW Zone 2 (Ex ec IIC T3 Gc)
MAX 27 T2 0,55kW Zone 2 (Ex ec IIC T3 Gc)
Centrifugal medium pressure atex fan.
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MAX 28 T2 1,1kW Zone 2 (Ex ec IIC T3 Gc)
MAX 28 T2 1,1kW Zone 2 (Ex ec IIC T3 Gc)
Centrifugal medium pressure atex fan.
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MAX 31 T2 2,2kW Zone 2 (Ex ec IIC T3 Gc)
MAX 31 T2 2,2kW Zone 2 (Ex ec IIC T3 Gc)
Centrifugal medium pressure atex fan.
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MBPCX 20 T2 0,25kW Zone 2 (Ex db IIC T4)
MBPCX 20 T2 0,25kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 20 T4 0,12kW Zone 2 (Ex db IIC T4)
MBPCX 20 T4 0,12kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 25 T2 0,75kW Zone 2 (Ex db IIC T4)
MBPCX 25 T2 0,75kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 25 T4 0,18kW Zone 2 (Ex db IIC T4)
MBPCX 25 T4 0,18kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 28 T2 1,1kW Zone 2 (Ex db IIC T4)
MBPCX 28 T2 1,1kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 28 T4 0,18kW Zone 2 (Ex db IIC T4)
MBPCX 28 T4 0,18kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 31 T2 1,5kW Zone 2 (Ex db IIC T4)
MBPCX 31 T2 1,5kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 31 T4 0,25kW Zone 2 (Ex db IIC T4)
MBPCX 31 T4 0,25kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 35 T4 0,37kW Zone 2 (Ex db IIC T4)
MBPCX 35 T4 0,37kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 40 T4 0,75kW Zone 2 (Ex db IIC T4)
MBPCX 40 T4 0,75kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 45 T4 1,5kW Zone 2 (Ex db IIC T4)
MBPCX 45 T4 1,5kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPCX 50 T4 2,2kW Zone 2 (Ex db IIC T4)
MBPCX 50 T4 2,2kW Zone 2 (Ex db IIC T4)
Plastic ATEX fan with forward impeller.
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MBPX 20 T2 0,18kW Zone 2 (Ex db IIC T4)
MBPX 20 T2 0,18kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
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MBPX 20 T4 0,12kW
MBPX 20 T4 0,12kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
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MBPX 25 T2 0,37kW Zone 2 (Ex db IIC T4)
MBPX 25 T2 0,37kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
Pre-order
MBPX 25 T4 0,12kW Zone 2 (Ex db IIC T4)
MBPX 25 T4 0,12kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
Pre-order
MBPX 31 T2 1,5kW Zone 2 (Ex db IIC T4)
MBPX 31 T2 1,5kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
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MBPX 31 T4 0,25kW Zone 2 (Ex db IIC T4)
Polypropylene centrifugal fan with ATEX Zone 2 certification — for corrosive air transport in environments with occasional explosion risk.
Fully antistatic polypropylene construction with II2G Eex-d IIC T4 motor, IP-55, Class F insulation. Maximum airflow 2,390 m³/h, design point 1,500 m³/h @ 250 Pa, inlet diameter Ø250 mm, power 0.25 kW / 400V three-phase.
ATEX II3G certified under Directive 2014/34/UE. Maximum transported air temperature: 70°C (clean air) — varies by corrosive gas.
Typical applications: chemical and petrochemical industry, laboratory extraction cabinets, chemical coating plants (zinc plating, phosphating), environments with acid vapours, alkalis or organic solvents in Zone 2.
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MBPX 35 T2 2,2kW Zone 2 (Ex db IIC T4)
MBPX 35 T2 2,2kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
Pre-order
MBPX 35 T4 0,37kW Zone 2 (Ex db IIC T4)
Medium pressure fan with forward impeller and in stainless steel construction.
Pre-order
MBX 12/5 T4 0,09kW
MBX 12/5 M4 0,08kW
Centrifugal medium pressure atex fan.
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MBX 14/5 M2 0,25kW
MBX 14/5 M2 0,25kW
Centrifugal medium pressure atex fan.
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MBX 14/5 T4 0,09kW
MBX 14/5 M4 0,08kW
Centrifugal medium pressure atex fan.
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MBX 16/6 M2 0,37kW
MBX 16/6 M2 0,37kW
Centrifugal medium pressure atex fan.
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MBX 16/6 T2 0,37kW
MBX 16/6 T2 0,37kW
Centrifugal medium pressure atex fan.
Pre-order
MBX 16/6 T4 0,09kW
MBX 16/6 M4 0,08kW
Centrifugal medium pressure atex fan.
Pre-order
MBX 20/6 M2 0,37kW
MBX 20/6 M2 0,37kW
Centrifugal medium pressure atex fan.
MBX 20/6 M2 0,37kW
MBX 20/6 M2 0,37kW
Centrifugal medium pressure atex fan.
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MBX 22/9 T2 2,2kW
Centrifugal medium pressure atex fan.
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MBX 25/10 T2 2,2kW
Centrifugal medium pressure atex fan.
Applications
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MBX 31/12 T4 2,2kW
Centrifugal medium pressure atex fan.
Applications
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MBX 35/14 T4 3kW
MBX 35/14 T4 3kW
Centrifugal medium pressure atex fan.
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MBX 45/18 T6 2,2kW
MBX 45/18 T6 2,2kW
Centrifugal medium pressure atex fan.
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