Vickers | 45VQ42A-86A20-LH
45VQ42A 86A20 LH
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The 45VQ42A 86A20 LH vane pump is produced by Vickers and belongs to the VQ Thru-Drive Vane Pumps series. It supplies a displacement of 138.7 cm³ per revolution to deliver the flow demanded by medium-capacity hydraulic circuits. The left-hand rotation matches counter-clockwise prime movers in machines where shaft direction is fixed. A maximum operating pressure of 175 bar permits the pump to power cylinders and motors that require high working stress. Rated speed reaches 2200 r/min, allowing the unit to follow variable-frequency drives without flow starvation. The inlet side accepts up to 1.4 bar positive pressure and withstands vacuum down to 5 inHg, guarding against cavitation during rapid load changes. The outlet port sits opposite the inlet to support “A” side discharge layouts, and fluid lines connect through an SAE 4-bolt flange for rigid, leak-free attachment.
Overall length is 304.292 mm, width is 212.852 mm, and height is 176.276 mm, dimensions that help designers allocate space inside power units and manifolds. A shaft diameter of 38.07 mm transmits drive torque reliably, while the 87.4 mm shaft extension leaves clearance for couplings and guards. The 9.53 mm key width secures the shaft to keyed hubs, preventing slip when pressure spikes occur. Unit weight of 34.1 kg signals the need for lifting aids yet remains serviceable for routine maintenance. These physical characteristics align the pump with hydraulic automation installations where controlled envelope size, straightforward mounting, and manageable handling weight are required.
Technical Specifications
Displacement
138.7 cm3/rev (8.46 in3/rev)
Height
176.276 mm (6.940 in)
Key Width
9.53 mm (0.375 in)
Length
304.292 mm (11.980 in)
Max Inlet Positive Pressure
1.4 bar (20 psi)
Max Inlet Vacuum
5 inHg
Max Operating Pressure
175 bar (2500 psi)
Max Speed
2200 r/min
Outlet Position
Opposite Inlet (A)
Port Connections
SAE 4-Bolt Flange
Rotation
Left-Hand (CCW)
Shaft Diameter (Ød)
38.07 mm (1.499 in)
Shaft Extension Length
87.4 mm (3.44 in)
Weight
34.1 kg (75 lb)
Width
212.852 mm (8.380 in)
1620 Old Apex Road
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