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The 45VQ42A 86A20 vane pump is manufactured by Vickers for the VQ Thru-Drive Vane Pumps series and supplies hydraulic power in automated machinery that needs a thru-drive arrangement. At 1200 rpm and 100 psi it provides a rated capacity of 42 US gpm, while the flow increases to 66.5 US gpm at maximum speed. A geometric displacement of 138.7 cm³ per revolution, equivalent to 8.46 in³, supports this volume transfer. Installation is handled with a flange mount, and both inlet and outlet use SAE four-bolt flanges; the outlet is positioned opposite the inlet to streamline rigid piping. Right-hand rotation matches clockwise prime movers and prevents port reversal during service.
The unit requires 91.4 kW (122.5 hp) at full speed, so the driving motor must supply that input power. It accepts inlet pressures up to 1.4 bar (20 psi) and tolerates a maximum inlet vacuum of 5 in Hg when reservoir levels are low. System working pressure can reach 175 bar (2500 psi), allowing the pump to feed medium-pressure actuators. The drive shaft has a major diameter of 38.07 mm (1.499 in), and torque is transmitted through a key that is 50.8 mm long and 9.53 mm wide, keeping the rotor aligned during continuous duty.
Delivery At Max Speed
66.5 US gpm
Geometric Displacement
138.7 cm3/rev (8.46 in3/rev)
Input Power At Max Speed
91.4 kW (122.5 hp)
Key Length
50.8 mm (2.00 in)
Key Width
9.53 mm (0.375 in)
Max Inlet Pressure
1.4 bar (20 psi)
Max Inlet Vacuum
5 in Hg
Maximum Pressure
175 bar (2500 psi)
Mounting
Flange Mount
Outlet Position
Opposite Inlet
Port Connections
SAE 4-bolt flange (inlet/outlet)
Rated Capacity
42 US gpm @ 1200 rpm (100 psi)
Rotation
Right-Hand
Shaft Major Diameter
38.07 mm (1.499 in)
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