Graco Inc.

Viscount II Hydraulic Pumps and Packages  Hydraulic Piston Pumps

Save up to 80% on energy costs when you choose a hydraulic piston pump!

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When paired with any of Graco's priming piston pumps, the Viscount II hydraulic air motor offers exceptional cost savings by operating on 20% of the energy used by a pneumatic motor. The Viscount II, Graco's patented hydraulic motor, replaces the King, Bulldog or Senator motors with the 800 or 2100 pump.

  • Clean, quiet and efficient hydraulic power
  • Extremely durable hydraulic pump with long-life packing design
  • Highly efficient Viscount hydraulic motor reduces energy costs
  • Stainless steel wetted parts with neoprene packings

Check-Mate 2100 Pumps
Ratio
24:1 (Quiet King Air Motor)
24:1 (Quiet King Air Motor)
Maximum fluid working pressure
2400 psi
16.6 MPa, 166 bar
Maximum air input pressure
100 psi
0.7 MPa, 7 bar
Pump cycles per 3.8 liters (1 gal.)
8
8
Recommended pump speed for continuous operation
50 cycles per min
50 cycles per min
Maximum flow
23.75 liters/min (7.5 gpm) at 50 cycles/min
23.75 liters/min (7.5 gpm) at 50 cycles/min
Air motor piston effective area
78.5 in.²
506 cm²
Stroke length
4.75 in.
120 mm
Displacement pump effective area
3.255 in.²
21 cm²
Maximum pump operating temperature
150°F
65.5°C
Air inlet size
3/4 npsm(f)
3/4 npsm(f)
Fluid outlet size
1–1/2” npt(m)
1–1/2” npt(m)
Weight
approx. 160 lb
approx. 73 kg
Displacement Pump Weight
approx. 37 kg
approx. 81 lb
Wetted parts
Carbon Steel; Chrome, Zinc, and Electroless Nickel Plating; 304 and 17–4 PH Grades of Stainless Steel; E52100 Alloy Steel; Ductile Iron; Acetal; PTFE; Ultra-High Molecular Weight Polyethylene
Carbon Steel; Chrome, Zinc, and Electroless Nickel Plating; 304 and 17–4 PH Grades of Stainless Steel; E52100 Alloy Steel; Ductile Iron; Acetal; PTFE; Ultra-High Molecular Weight Polyethylene