Vickers | GPA3-63-E-20P
GPA3-63-E-20P
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The GPA3-63-E-20P piston pump is manufactured by Vickers within the Piston Pumps series. It supplies hydraulic power to automated machinery with a displacement of 63.60 cm³ per revolution, giving a fixed fluid volume each shaft turn. At 1500 rpm and 100 bar it delivers 87.7 L/min while absorbing 16.8 kW, aligning flow to common electric motor ratings. The design tolerates a maximum operating pressure of 100 bar (1450 psi), and at that load the rotor can reach 2000 rpm for responsive circuit control. A 25 µm absolute filtration requirement protects sliding components from particulate damage. Mounting is through an ISO 3019/2 four-hole square flange coded P, and the assembly weighs 19.3 kg to permit straightforward handling during installation.
When system pressure is limited to 20 bar the pump can run up to 2300 rpm, extending capacity without overspeeding the drive. At 1500 rpm and only 7 bar it raises output flow to 94.3 L/min, supporting low-pressure cooling or flushing circuits. Shaft loading limits include a maximum axial force of 1000 N, a transverse force ceiling of 1600 N, and an allowable transverse moment of 102.4 Nm, ensuring mechanical reliability when belt or gear drives impose side loads. Hydraulic connections use a G 1 1/2 BSPF threaded port, matching standard pipework found in industrial hydraulic manifolds.
Technical Specifications
Displacement
63.60 cm³/rev
Filtration Requirement
25 µm absolute
Input Power At 1500 Rpm (100 Bar)
16.8 kW
Max Axial Force
1000 N
Max Operating Pressure
100 bar (1450 psi)
Max Speed (100 Bar)
2000 rpm
Max Speed (20 Bar)
2300 rpm
Max Transverse Force
1600 N
Max Transverse Moment
102.4 Nm
Mounting Flange
ISO 3019/2 4‑hole square (code P)
Output Flow At 1500 Rpm (100 Bar)
87.7 L/min
Output Flow At 1500 Rpm (7 Bar)
94.3 L/min
Port Thread Size
G 1 1/2 (BSPF)
Weight
19.3 kg
1620 Old Apex Road
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