Graco Inc.

Fire-Ball 425 Pumps  Air-Operated Piston Pumps for Oil or Grease

The pump of choice for your most demanding high volume applications

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The Fire-Ball 425 is perfect for fluid oil transfer in high volume and longer distance applications such as truck shop service fleet facilities and in-plant applications.

Fireball_425_pump
  • Corrosion-resistant design utilizes liquid salt nitriding, nickel plating, stainless steel, aluminum and chrome on key components for longer life
  • Few moving parts in the air motor assembly means less downtime and low repair cost
  • Displacement rods have minimal wear due to a proprietary Graco manufacturing process
  • Large air porting design provides efficient use of compressed air supply for continuous pump operation without icing

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3:1 Fire-Ball 425 Pump
U.S.
Metric
Maximum working pressure
540 psi
3.7 MPa, 37 bar
Fluid pressure ratio
3:1
3:1
Air operating range
40 to 180 psi
0.28 to 1.2 MPa, 2.8 to 12 bar
Air consumption
3 ft³/min per gallon pumped, (0.022 m3/min per liter pumped) up to 8 ft³/min (0.058 m³/min) with pump operating within recommended range
3 ft³/min per gallon pumped, (0.022 m3/min per liter pumped) up to 8 ft³/min (0.058 m³/min) with pump operating within recommended range
Pump cycles per gallon (liter)
6 gallons
1.6 Liters
Maximum recommended pump speed
66 cycles/min; 12 gpm
66 cycles/min; 45 lpm
Recommended speed for optimum pump life
15 to 25 cycles per min
15 to 25 cycles per min
Piston seals
polyurethane
polyurethane
Rod seals
nitrile
nitrile
Wetted parts
aluminum, steel, nitrile
aluminum, steel, nitrile
Approximate weight
46 lb
21 kg
* Sound pressure
82 dB(A)
82 dB(A)
* Sound pressure reading taken with pump operating at 60 cycles per minute at 100 psi (0.7 MPa, 7 bar). Sound pressure measured per CAGI-PNEUROP 1971.

6:1 Fire-Ball 425 Pump
U.S.
Metric
Maximum working pressure
1100 psi
76 bar, 7.6 MPa
Fluid pressure ratio
6:1
6:1
Air operating range
40 to 180 psi
3 to 12 bar, 0.3 to 1.2 MPa
Air consumption
7 ft³/min per gallon pumped (0.051 m³/min per liter pumped) at 100 psi (7 bar, 0.7 MPa)
7 ft³/min per gallon pumped (0.051 m³/min per liter pumped) at 100 psi (7 bar, 0.7 MPa)
Pump cycles per gallon (liter)
14.5 gallons
3.8 Liters
Maximum recommended pump speed
78 cycles/min; 6 gpm
23 liter/min
Recommended speed for optimum pump life
15 to 25 cycles per min
15 to 25 cycles per min
Piston seals
polyurethane with nitrile spreader
polyurethane with nitrile spreader
Rod seals
polyurethane with nitrile spreader
polyurethane with nitrile spreader
Wetted parts
aluminum, steel, polyurethane, nitrile
aluminum, steel, polyurethane, nitrile
Approximate weight
35 lb
21 kg)
* Sound pressure level
79.5 dB(A)
79.5 dB(A)
* Sound pressure measured at 30 cycles per minute at 100 psi (7 bar, 0.7 MPa) air inlet pressure per ISO Standard 3744.
Loctite is a registered trademark of the Loctite Corporation

10:1 Fire-Ball 425 Pump
Fluid pressure ratio
10:1
10:1
Air pressure operating range
40–180 psi
3–12.4 bar, 0.3–1.2 MPa
Maximum working pressure
1800 psi
124 bar, 12.4 MPa
Maximum delivery
5.2 gpm
19.7 lpm
Cycles
20 per gal
6 per l
Max. recommended pump speed
60 cycles per minute
60 cycles per minute
Air motor effective diameter
4.25 in
108 mm
Stroke
4 in
102 mm
Air consumption
approx. 13 cfm per gal of fluid at 100 psi
approx. 6 m/hr³/l 0.7 MPa, 7 bar
Wetted parts
steel, brass, aluminum, leather, Buna–N
steel, brass, aluminum, leather, Buna–N
Weight
38 lb
17 kg
Sound Pressure Level (Input Air Pressures at 15 cycles per minute) (Measured at 1 m from unit)
40 psi; 73.6 dB(A): 70 psi; 78.34 dB(A): 100 psi; 80.85 dB(A)
0.28 MPa, 2.8 bar; 73.6 dB(A): 0.48 MPa, 4.8 bar; 78.34 dB(A): 0.7 MPa, 7 bar; 80.85 dB(A)
Sound Power Level (Input Air Pressures at 15 cycles per minute) (Tested in accordance with ISO 9614–2)
40 psi; 87.4 dB(A): 70 psi; 92.09 dB(A): 100 psi; 94.62 dB(A)
0.28 MPa, 2.8 bar; 87.4 dB(A): 0.48 MPa, 4.8 bar; 92.09 dB(A): 0.7 MPa, 7 bar; 94.62 dB(A)