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20cm Hazardous Location Fan/Ventilator


ATEX Certification IECEX Certification

Zones: 2 and 22

The UB20xx is compact and lightweight while delivering the highest CFM available in its class. Ultra-quiet operation at 74 dB. The power cable is 25' (7.6 m) for a long for extended reach. Integrated duct adapters allow for easy connection to an anti-static duct. Optional anti-static Quick-Couple™ Canister stores and protects conductive duct from rips and tears, by integrating into the UB20xx blower for fast and convenient set-up.

The motor on this ventilation unit is totally enclosed for safe use in a variety of adverse atmospheres, and the small form of the unit enables usage in a multitude of hazardous area work tasks and confined spaces. The product is available with a 15' (4.6m) or 25' (7.6m) of ducting, and for complex working environments custom duct and adapters are available. 

IMPA Codes

EF7002 - 591416

EF8002 - 591417

NSN Codes

4940-01-603-7098 - UB20xx (230V)

Product Description

20cm Hazardous Location Fan/Ventilator

Gas Zone: 2 Dust Zone: 22

Product Reference UB20xx (115V) UB20xx (230V)
Product Description 20cm Hazardous Area Fan / Ventilator 
Code II 2 G EX de IIB T6 Gb

Type of Protection

'de' flameproof
Area of Class (Gas) Zones 1 and 2, Gas Groups IIA and IIB
Max Surface Temp (Gas) T6
Ambient Temp. (Gas) -30°C TO +40°C

DEMKO 09 ATEX 0926969X

IECEx 13.0062X


Anti-static Polycarbonate

ABS Alloy

Motor 0.33 Hp (0.25kW)
Power 115V, 1Ø 50/60Hz 230V 1Ø 50/60Hz

Amps (Start/run)

7A / 2.3A 7A / 1.2A


Free Air Through Duct

980 cfm (1,666m³/hr) 816 cfm (1,932m³/hr)

15'/4.6m /w one 90° turn:

789 cfm (1,341m³/hr) 659 cfm (1,120m³/hr)

15'/4.6m /w two 90° turn:

666 cfm (1,132m³/hr) 558 cfm (948m³/hr)

25'/7.6m /w one 90° turn:

722 cfm (1,227m³/hr) 603 cfm (1,025m³/hr)

25'/7.6m /w two 90° turn:

614 cfm (1,044m³/hr) 510 cfm (867m³/hr)

Ingress Protection


Dimensions (h/w/d)

35 x 35 x 39 cm



Duct Adapters



74db @ 1m

Product Dimensions

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