Vickers | 411AK00075A
411AK00075A
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The 411AK00075A pump is manufactured by Vickers in the PVH and PVE Open-Circuit Piston Pumps series for supplying controlled hydraulic flow in automated machinery. It employs an open-circuit piston design that allows continuous circulation between reservoir and actuator lines. The displacement is 25.2 cm³ per revolution, so flow output scales directly with drive speed. A 13-tooth 16/32 spline input shaft transmits torque from the prime mover, and the assembly is rated for operation up to 3000 rpm. Shaft rotation is left-hand, which must match the driver orientation at installation. The unit withstands a peak system pressure of 210 bar while requiring only 2 bar at the inlet to prevent cavitation. Acceptable fluid viscosity starts at 16 cSt, ensuring thin oils can be used when temperature rises.
Overall width is 6.70 in and height is 5.75 in, permitting placement in compact power units. The housing secures with a 2-bolt B front mounting pattern for straightforward alignment on engine or motor flanges. Suction flow enters through a 1.625-12 UN-2B SAE O-Ring port, and case drainage is handled by a .750-16 UNF-2B top port fitted with the same seal type. Pressurized discharge exits via a 1.0625-12 UN-2B SAE O-Ring connection suited to high-pressure tubing. Maximum operating viscosity is limited to 40 cSt, so operators must avoid heavy oils at low temperature. The pump requires fluid cleanliness at ISO 4406 class 21/18/13 to protect internal pistons and bearing surfaces. Together these interface, viscosity, and cleanliness limits ensure the pump delivers reliable service in industrial hydraulic circuits.
Technical Specifications
Displacement
25.2 cm³/rev
Drain Port Size
.750-16 UNF-2B SAE O-Ring (Top)
Fluid Cleanliness
ISO 4406 21/18/13
Front Mounting
2 Bolt B
Height
5.75 in
Inlet Pressure
2 bar
Input Shaft
13T 16/32 Spline
Maximum Operating Viscosity
40 cSt
Minimum Operating Viscosity
16 cSt
Peak Pressure Rating
210 bar
Pressure Port Size
1.0625-12 UN-2B SAE O-Ring
Pump Type
Open-Circuit Piston Pump
Rated Speed
3000 rpm
Shaft Rotation
Left
Suction Port Size
1.625-12 UN-2B SAE O-Ring
Width
6.70 in
1620 Old Apex Road
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