BREATHING AIR PUMP A750 
Part Number: 9821, 9821-E 
Style: ROTARY VANE
 
GENERAL DESCRIPTION:  Portable & lightweight air source for one hood user, or up to two full or half face respirator users. Solid performance in applications such as painting, cleaning, sanding or chemical handling operations.
 
CONSTRUCTION: 
• Rigid metal base and housing 
• Brass and galvanized steel plumbing 
• Quick-connect OBAC fitting 
• Adjustable brass pressure relief valve 
• Steel handle  • Powder coated blue
 
 
PUMP: *Warning: Breathing 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
 
Type:   Oil-less, rotary vane 
Vanes:   Carbon construction (4 ea./replaceable) (2” (5.0 cm) X 1.5” (3.8 cm) X 0.219” (0.55 cm)) 
Inlet Filter:  50 Micron felt material with metal grid inlet filter housing 
Exhaust Filter:  0.3 Micron HEPA 
Pressure Gage: 2” (5.08 cm) face, steel housing (0-15 psi (0-1.03 bar)) 
Pressure:  2-12 psi (0.14-0.83 bar) working (15 psi (1.03 bar) max) 
Performance:  0-10 CFM (0-16.99 m3/hr) @ 60 Hz (adjusted via pressure relief valve) 
                        0-8 CFM (0-13.59 m3/hr) @ 50 Hz (adjusted via pressure relief valve) 
Airline length:  100 feet (30.4 m) maximum from pump to respirator (sold separately) 
Noise level:  At pump:  90 dB 
                     At 6 feet (1.82 m): 74 dB 
                     At 10 feet (3.04 m): 72 dB   
Temperature Range: 32° F - 104° F (0° C - 40° C)
 
MOTOR:  
HP:   3/4 HP  
Certifications:  UL Recognized 
Volts:   115V/230V AC, Single Phase 
RPM:   1725 RPM @ 60 Hz / 1425 RPM @ 50Hz 
Current Draw (9821): 115V 9.05A / 230V 4.6A @ 60Hz 
Current Draw (9821-E):110V 8.3A / 240V 4.8A @ 50Hz 
Cord:    6’ (1.83 m) 16/3 AWG SJTW with integrated ON/OFF switch 
Plug:    Integrated NEMA 5-15
 
DIMENSIONS: 
Length: 16” (40.6 cm)
Width: 9” (22.8 cm)
Height: 13” (33 cm)
Weight: 53 lbs. (24 kg)