Allegro Three‐Worker Half Mask System, 50' Airline Hoses. These complete Half Mask Systems offer portable, lightweight, air sources for one, two or three workers. They are offered with one, two or three comfortable half mask supplied air respirators, a ¼ hp, ¾ hp or 1½ hp ambient air pump and 50’ or 100’ (15.24m to 34.4m) breathing air hose.

HALF MASK RESPIRATOR:

• Durable silicone rubber
• Hypoallergenic and chemical/Ozone resistant
• Replaceable polycarbonate lens
• Removable hairnet
• Down tube comes with a 90-degree elbow that allows it to be directed over the shoulder
  • OBAC quick-connect plug with wide diameter and minimal air restriction

PUMP:

• Type: Oil-less, rotary vane
• Vanes: Carbon construction
• Inlet Filter: 40.0 Micron bronze/steel (¼ hp)
  • 50 Micron felt material with metal grid inlet filter housing
• Exhaust Filter: 0.3 Micron HEPA
• Pressure Gauge: 1½” (3.8 cm) face, steel housing (0-15 psi) (0-1.03 bar)
• Working Pressure: 2-12 psi (0.14-0.83 bar) (15 psi max) (1.03 bar max)
• Performance:
  • 0-5 CFM (0-8.5 m3/hr) (¼ hp)
  • 0-10 CFM (0-16.99 m3/hr) (¾ hp)
  • 0-20 CFM (0-33.98 m3/hr) (1½ hp)

MOTOR: 

• Type: ¼ hp, ¾ hp, or 1½ hp UL Listed
• Volts: 115V/230V AC, Single Phase
• Power Required: 5.5A (1/4 hp), 8.3A (3/4 hp), 16A (1½ hp)

HOSE: 

• Polyvinyl chloride with reinforced braided polyester yarn
• -20° F to 150° F (-28.8° C to 65.5° C)
• Maximum pressure 185 psi @ 70° F (12.76 bar @ 21.1° C)