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Hazardous Location Fan Filter Units

SAM® Hazardous Location Fan Filter Units are ideal for supplying clean air to workstations or equipment in a location where ambient air is contaminated with chemical or other hazardous conditions.

Units include:

  • 99.99% efficient HEPA filter
  • Pre-filter
  • Spark resistant aluminum blower wheel
  • Electrical parts with explosion proof ratings (AMCA Type B Construction)

Housings are fabricated from steel with a white powder coat finish. If necessary eyebolts can be field installed in the weld nuts located at all corners for suspending the unit.

Units are available in 115V (60 Hz), 208V-230V (50/60 Hz) and 277V (60 Hz), single phase and 208V/460V, 3 phase.

HEPA or ULPA 99.9995% eff. at 0.12 micron final filters are protected with a white epoxy diamond pattern grille and are tested according to accepted procedures as described by the Institute of Environmental Sciences (IEST) and or ISO standards.

GS Style Units feature an anodized aluminum perforated grille with round holes hinged to open, permitting removal of the HEPA or ULPA filter without removing the unit from the ceiling.

Consult with one of our cleanroom experts in your area, or call the factory for more information.

GS Style Filter Data: Size: 20.625" x 44.625" x 3" with anodized aluminum frame, upstream gel channel and diamond pattern white epoxy face screen. The HEPA is designed for 90 FPM average face velocity at initial 0.47 w.g. and has a rated efficiency of 99.99% at 0.3 micron or larger. An access port with removable plug is located in the center of the filter element face for introducing an upstream challenge or measuring static pressure.

NCR Style Filter Data: Size: 23.625" x 47.625" x 3" with exposed anodized aluminum frame and diamond pattern white epoxy face screen. The HEPA Filter is designed for 90 FPM average face velocity at initial 0.47 w.g. and has a rated efficiency of 99.99% at 0.3 micron or larger

Motor Data: SAM Haz Loc Units are equipped with an AMCA B rated blower and Class 1 Group D, Class 2 Groups F & G motor.

CAUTION: It is always the responsibility of the customer to determine Fitness-of-Use of this product for the application. Clean Rooms International Inc. can not and will not make any recommendations for use of this product and will not be held liable or responsible for conditions and installations beyond our control. If you are unsure of your Hazardous Location requirement, it is advised that you contact your local Fire Marshall, OSHA, local Building Inspector or an Indoor Environmental test agency to help determine your needs.
Ordering Information
Mfg. Code Model or description Style Size Motor Voltage  
12950* SAM 24 Haz Loc NCR 2' X 4' Class 1 Group D, Class 2 Group F & G 115V Buy Online
12951 SAM 24 Haz Loc NCR 2' X 4' Class 1 Group D, Class 2 Group F & G 208-230V Buy Online
12953 SAM 24 Haz Loc NCR 2' X 4' Class 1 Group D, Class 2 Group F & G 208/460V Buy Online
12954 SAM 24 Haz Loc GS 2' X 4' Class 1 Group D, Class 2 Group F & G 115V Buy Online
12955 SAM 24 Haz Loc GS 2' X 4' Class 1 Group D, Class 2 Group F & G 208/230V Buy Online
12957 SAM 24 Haz Loc GS 2' X 4' Class 1 Group D, Class 2 Group F & G 208-460V Buy Online
*UL Listed