Graco Inc.

Viscount 4-Ball Pump  Hydraulic Piston Pumps

Hydraulic powered piston pumps for more efficient operation

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Graco's Viscount 4-Ball pumps are up to three times more efficient than comparable compressed air systems. The simplified lower design means fewer parts and fast, easy repairs for low cost of ownership.

Highlights:

  • Offers high volume output at low cycle rates
  • Provides large output per cycle to reduce pump wear and maintenance
  • Reduces sealing area to minimize throat leakage
  • Produces low-shear output for metallic or waterborne paint circulation
  • Flushes easily and offers quick color changes
  • Lower operating costs (up to three times more efficient than pneumatics)
  • Quiet operation
  • Reduced downtime with hydraulic motor
  • No icing
  • Enclosed wet cup minimizes operator interaction for reduced maintenance

Sealed 4-Ball Lowers

  • No TSL required
  • Ultralife Series ceramic coating holds up to the harshest materials, including waterborne paints
  • Completely sealed fluid section can be used almost anywhere, including catalyst and moisture sensitive materials
  • Compatible with existing Bulldog, NXT, President, Viscount, E-Flo, and E-Flo DC motors
  • Open wet cup version is also available

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Viscount 4–Ball Pumps
Maximum Fluid Temperature Rating
150°F
66°C
Maximum Hydraulic Motor Fluid Temperature
134°F
54°C
Hydraulic Oil Consumption
See Viscount 4–Ball Pump manual.
See Viscount 4–Ball Pump manual.
Hydraulic Oil Inlet
See Viscount Motor manual.
See Viscount Motor manual.
Fluid Inlet
See 4–Ball Lower Pump manual.
See 4–Ball Lower Pump manual.
Fluid Outlet
See 4–Ball Lower Pump manual.
See 4–Ball Lower Pump manual.
Wetted Parts
See 4–Ball Lower Pump manual.
See 4–Ball Lower Pump manual.
Sound Data
See Viscount Motor manual.
See Viscount Motor manual.
Maximum Working Fluid Pressure
Viscount I Plus, 750 cc Lower
450 psi
31.0 bar, 3.1 MPa
Viscount I Plus, 1000 cc Lower
300 psi
21.0 bar, 2.1 MPa
Viscount I Plus, 1500 cc Lower
225 psi
16.0 bar, 1.6 MPa
Viscount I Plus, 2000 cc Lower
167 psi
12.0 bar, 1.2 MPa
Viscount II, 2000 cc Lower
460 psi
32.0 bar, 3.2 MPa
Viscount II, 3000 cc Lower
400 psi
28.0 bar, 2.8 MPa
Viscount II, 4000 cc Lower
300 psi
21.0 bar, 2.1 MPa
Maximum Hydraulic Working Pressure
Viscount I Plus
1500 psi
103.0 bar, 10.3 MPa
Viscount II
1200 psi
83.0 bar, 8.3 MPa
Fluid Flow at 60 cycles per minute
Viscount I Plus, 750 cc Lower
9.6 gpm
36.4 lpm
Viscount I Plus, 1000 cc Lower
14.1 gpm
53.5 lpm
Viscount I Plus, 1500 cc Lower
19.4 gpm
73.6 lpm
Viscount I Plus, 2000 cc Lower
26.8 gpm
101.5 lpm
Viscount II, 2000 cc Lower
31.5 gpm
119.3 lpm
Viscount II, 3000 cc Lower
47.3 gpm
179.0 lpm
Viscount II, 4000 cc Lower
63.0 gpm
238.6 lpm
Fluid Output per Cycle
Viscount I Plus, 750 cc Lower
610 cc
610 cc
Viscount I Plus, 1000 cc Lower
890 cc
890 cc
Viscount I Plus, 1500 cc Lower
1230 cc
1230 cc
Viscount I Plus, 2000 cc Lower
1690 cc
1690 cc
Viscount II, 2000 cc Lower
2000 cc
2000 cc
Viscount II, 3000 cc Lower
3000 cc
3000 cc
Viscount II, 4000 cc Lower
4000 cc
4000 cc
Weight
Viscount I Plus, 750 cc Lower
74 lb
33.6 kg
Viscount I Plus, 1000 cc Lower
75 lb
34.0 kg
Viscount I Plus, 1500 cc Lower
76 lb
34.5 kg
Viscount I Plus, 2000 cc Lower
77 lb
34.9 kg
Viscount II, 2000 cc Lower
150 lb
68.0 kg
Viscount II, 3000 cc Lower
215 lb
97.5 kg
Viscount II, 4000 cc Lower
217 lb
98.4 kg