RamFan UB20xx – 8″ Explosion Proof Fan


RamFan UB20xx – 8″ Inch, an explosion proof fan, is certified for use in hazardous areas that require Ex II 2 G Ex de IIB T6 Gb certification. In addition, it has received IECEx and INMETRO certifications. Protects against short circuits by incorporating an IP55 weather-tested switch housing with two integrated duct adapters. Thermally protected cutoff switch and weatherproof, dent-resistant, flame retardant, and chemically resistant PC/ABS anti-static enclosure are also included.

IECEx Certified

ATEX Rating


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The smallest and lightest CFM available in a compact design. At 74 dB, this device is quite quiet. 7.6 m is the length of the power wire. The anti-static duct may be readily connected using the integrated duct adapters.

The ATEX Directive, IEC standards, and INMETRO standards are all met with this explosion proof blower/exhaust fan. The fan can be used to safely blast or exhaust dangerous gases without posing a risk of sparking.


  • ATEX Zone 1
  • Made in California, USA
  • High-pressure axial blower
  • Durable, PC/ABS anti-static casing is weatherproof, dent-resistant, v0 flame retardant, and chemical resistant
  • 2 integrated duct adapters
  • Starter secured in the flameproof motor enclosure to prevent the risk of ignition when powered on
  • Use pull switch to active ventilator
  • Compact and lightweight
  • IP55 rain switch enclosure


  Model UB20xx (115V) UB20xx (230V) 
Part # EF7002 (115V) EF8002 (230V) 
IMPA Codes 591416 591417 
Motor 0.33 Hp 0.25 kW 
Motor Type Totally Encapsulated Air Over Flame Proof 
Electric 115V, 50/60Hz, 1ø 230V, 50/60Hz, 1ø 
Amps (Start/Run) 7A / 2A 7A / 1.2A 
Cable Lengths 25'/16 AWG 7.6 m/1.5 mm 2 
Plug Types A.T.X. 100/130V A.T.X. 240V 
Operating Temperature -22°F to +104°F -30°C to +40°C 
Noise 74 dB @ 3' (1m) 
Run Time Continuous 
Weight 27 lbs 12 kg 
Dimensions (h/w/d) 14 x 14 x 15.5 in 35 x 35 x 39 cm 
Impeller 9-Blade 
Duct Adapters 

Air Flow

AirflowUB20xx (60Hz)UB20xx (50Hz)
Free Air980 cfm (1,666 m³/hr)819 cfm (1,392 m³/hr)
15 ft/4.6 m 1-90° turn789 cfm (1,341 m³/hr)659 cfm (1,120 m³/hr)
15 ft/4.6 m duct 2-90⁰666 cfm (1,132 m³/hr)558 cfm (948 m³/hr)
25 ft/7.6 m duct 1-90⁰722 cfm (1,227 m³/hr)603 cfm (1,025 m³/hr)
25 ft/7.6 m duct 2-90⁰614 cfm (1,044 m³/hr)510 cfm (867 m³/hr)


Weight26.46 lb
Height13.78 in
Width13.78 in
Depth15.35 in
Motor0.34 hp

Blower Kits (Only in MED) Includes as below:

UB20xx fan 50/60Hz1 Nos
Quick-couple™ canister with conductive duct1 Nos
90° elbow1 Nos
M.E.D1 Nos
Universal mount1 Nos
*Please do confirm before placing the order.



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