Allegro 9850 or A-4000AD is an Ambient Air Pump that is air driver making it perfect for use when electric power is not available. This Air Driven Ambient Pump is most effective in work areas where large amounts of compressed air are available such as sandblasting. This Ambient Pump can handle up to four respirators or three hood users.
Allegro A 4000AD Air Driven Respirator Pump
Allegro safety’s ambient air respirator pump model #A-4000AD is ideal for use when electric power is unavailable or undesirable.
This ambient air respirator pump is highly effective in work areas where large amounts of compressed air are available such as sandblasting. Air driven motor is protected and lubricated by a high capacity filter/ regulator/lubricator assembly. Requires 75 CFM at 80 psig.
*For four respirator users or three hood users.
*This model is air driven.
Portable air source for up to four full or half face respirator users, or three hood users. Ideal for use when electric power is unavailable or undesirable. Solid performance in multi worker applications, abrasive blasting. cleaning, sanding or chemical handling operations.
• Rigid metal base and housing with four rubber feet
• Galvanized steel plumbing
• Quick-connect Rectus (OBAC) air fittings (other fittings available on request)
• Adjustable brass pressure relief valve
• Pressure gauge 0-15 psi
• Fan guard
• Powder coated gray
Type: Oil-less, rotary vane, direct driven Vanes: Carbon construction (4 ea/ replaceable) (3.500” X 1.344” X 0.188”)
Inlet Filter: 50 micron felt material
Exhaust Filter: 0.3 Micron HEPA
Working Pressure: 2-12 psi (15 psi max)
Performance: 0-20 CFM (adjusted via pressure relief valve)
Airline length: 100 Feet maximum, from pump to respirator. (sold separately)
Noise level: At Pump: 95 dB
At 6 feet: 85 dB
At 10 feet: 78 dB
Plumbing: Galvanized with brass ball valve
Design: Four carbon vane design for precise control and for stalled start-up operation
Muffler: PVC extension to prevent freezing or icing
Filtration: Zinc manifold, ABC cover, nylon guard, poly carbonate bowl with a 40
micron sintered polyethylene coalescing filter element and 0-160 psi pressure gauge
Lubricator: Zinc manifold, ABS cover, poly carbonate bowl with fill port for easy servicing
*Warning: Ambient Air Pumps are not to be used with generators
**Warning: Air inlet to the pump must be located where breathable air can be assured at all times
Dimensions: 23.5″ L x 9.5″ w x 15.5″ H