Vickers | 3525VQ30A12-86BB20-LH
3525VQ30A12 86BB20 LH
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The 3525VQ30A12 86BB20 LH pump from Vickers belongs to the VQ Thru-Drive Vane Pumps series and supplies hydraulic power in automation circuits that need two independent flows from a single shaft. The shaft-end section displaces 97.7 cm³ per revolution, giving a rated flow of 30 US gallons per minute at 1200 r/min. Continuous speed can reach 2500 r/min so the unit can meet higher demand cycles. Left-hand counter-clockwise shaft rotation matches installations where prime movers turn in that direction. A working pressure limit of 210 bar (3000 psi) supports medium-pressure actuator circuits. The pump secures to machinery with a flange mount that uses a single seal to contain case pressure. A shaft major diameter of 34.90 mm couples to standard drive hubs, and a 7.92 mm key maintains torque transmission without slippage.
The rear pumping element displaces 40.2 cm³ per revolution and delivers 12 US gallons per minute at 1200 r/min, providing an auxiliary flow for pilot or lube circuits. Inlet line vacuum is limited to 5 inches of mercury, so the suction side must be sized to prevent cavitation. The first outlet is located 90 degrees counter-clockwise from the inlet, while the second outlet sits 45 degrees counter-clockwise, allowing compact manifold routing on mobile equipment. All ports use SAE four-bolt flanges, simplifying rigid pipe connections. The housing includes a standard pilot interface that does not follow the SAE J744 pattern, which affects the mounting pad selection. Together these features let the pump feed separate circuits from one drive source with reliable priming and straightforward plumbing.
Technical Specifications
Max Inlet Vacuum
5 in.Hg
Max Speed (shaft End)
2500 r/min
Max Working Pressure
210 bar (3000 psi)
Mounting
Flange Mount (Single Seal)
No.1 Outlet Position
90° CCW From Inlet
No.2 Outlet Position
45° CCW From Inlet
Pilot
Standard (Non-SAE J744)
Port Connections
SAE 4-Bolt Flange (All Ports)
Rear Displacement
40.2 cm3/rev (2.45 in3/rev)
Rear Rated Flow (1200 R/min)
12 USgpm
Shaft Key Width
7.92 mm (0.312 in)
Shaft Major Diameter
34.90 mm (1.374 in)
Shaft Rotation
Left-Hand (CCW)
Shaft-end Displacement
97.7 cm3/rev (5.96 in3/rev)
Shaft-end Rated Flow (1200 R/min)
30 USgpm
1620 Old Apex Road
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