VENTILATION BLOWER, EXPLOSION-PROOF
Designed for use in applications requiring a large amount of output in a hazardous location environment. Our 20” Axial Explosion-Proof Metal Blower is offered with a ½ hp single-phase motor and an efficient three-blade impeller fan in a rugged metal housing. Also included is a NEMA rated 115V plug to be used with an explosion-proof socket (sold separately). Meets Class I, Division 1 and 2, Groups C & D, Class II Division 1 and 2 Groups F & G. UL Listed. Certified to CSA Standard C22.2 No.113.
NOTE: Explosion-proof blowers require an explosion-proof socket.
https://www.allegrosafety.com/includes/Ventilation%20Information.html
CONSTRUCTION:
• Complete unit epoxy powder coated in orange
• Interchangeable flange for intake or exhaust side mounting
• 16-gauge cold rolled steel housing
• Integrated carrying handles
• Steel grill (zinc plated)
• Equipped with four rubber feet
• NOTE: EX blowers require an explosion-proof socket (PN 9503-03)
FAN:
• Anti-Static glass reinforced polyamide three blade fan with aluminum hub
• Moving fan mounted 1 5/8” (4.12 cm) from grill for safety, grill gap 5/16” (0.79 cm)
DUCTING: (Accessory)
• Black single-ply, neoprene coated, statically conductive vinyl/polyester material, temperature resistant up to 250° F (121.1° C)
• Retractable, non-collapsible design. Class 1 hard drawn spring steel wire helix that (meets ASTM 227 specs)
• WARNING: When using statically conductive ducting, the integrated grounding wire must be properly grounded to the blower chassis OR linked to any additional grounding wire or duct used
| Technical Specification | |
| HP | 1/2HP |
| Phase | Single |
| Volts | 115/230V, 60Hz |
| Max RPM | 1725 |
| Current Draw | 8.2/4.1A |
| Cord |
25’ (7.62 m) 12/3 AWG, SJOOW-A Neoprene 300V medium duty
|
| Plug | NEMA 20 Amp plug, explosion-proof rated |
| Free Air -CFM (m3/hr) | 4650 CFM (7900.39 m3/hr) |
| One 90° Bend CFM (m3/hr) | 3150 CFM (5351.88 m3/hr) |
| Two 90° Bends CFM (m3/hr) | 2950 CFM (5012.08 m3/hr) |
| Certifications | UL Listed, CSA certified |
| Length | 19″ |
| Width | 22″ |
| Height | 22-1/2″ |
| Weight | 75 lbs |
