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VP5F Series variable single vane Pumps

VP5F Series variable single vane Pumps
Product name : VP5F Series variable single vane Pumps
Item :
Details :
VP5F Series variable single vane Pumps

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Variable Displacement Vane Pumps

VP※F Series-Single Pumps Model Code

VP5F -A -5 -50 S
Code
Frame size
Outlet flow
(at 3.5bar,1800 r/min)
Operating pressure range Design Shafts code
A 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
B 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
Code Pressure range
(bar)
VP5 30 (16) 40 (22) 2 15~35 50 Omit:
Woodruff key (VP5)
Straight key (VP6~7)


S:
Splined Shaft
VP6 54 (30) 70 (39) 3 20~70
VP7 120 (67) - 4 50~105
F:
Flange mounting
●B code (40 & 70 L/min)
maximum pressure 105bar

Factory setting Q max.
5 70~140
Factory setting P min.

※Pumps Speed Limits
Minimum speed:800 r/min
Maximum speed:1800 r/min


Variable vane pump working principle
 
The inner surface of the stator of the variable vane pump is a circle. There is an eccentricity between the rotor and the stator. There is only one oil absorption window and one oil pressure window on the oil distribution plate. When the rotor is driven by the motor and rotates in the direction of the arrow shown in the figure, when the blade passes through the lower half of the stator, under the action of centrifugal force, it extends from the blade groove, and the sealing volume between the two blades increases to achieve oil absorption. When the blade passes through the upper half of the stator, the inner surface of the stator is gradually pressed into the blade groove to reduce the sealing volume and realize oil pressure. Pump rotor every turn, each sealed volume suction, pressure oil once. Change the eccentricity between stator and rotor, can change the pump displacement, so called variable vane pump.
 
Variable vane pump characteristics
 
1. It can be equipped with automatic high speed flow and compensation function under pressure setting, with less power loss and low heating than the quantitative vane pump. It is an energy saving high efficiency vane pump, which is the best choice for system design engineers in the high efficiency loop.
 
2. Balanced and quiet operation, especially suitable for machine tools and indoor requirements.
 
3. Pressure regulating mechanism is included. The system can be without pressure regulating valve and is suitable for direct motor, which is easy to assemble.
 
4. Various pressure and flow ranges are available for your choice.
 
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