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Name: William Xiong
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Add: NO. 3, Anhua Industrial Zone, Area 35, Xin'an St., Baoan Dist, Shenzhen, Guangdong Province, China
E-mail: zfhydraulic@hotmail.com
E-mail: zfhydraulic@yahoo.com

VP55FD Series variable double vane Pumps

VP55FD Series variable double vane Pumps
Product name : VP55FD Series variable double vane Pumps
Item :
Details :
VP55FD Series variable double vane Pumps

How to order:


Variable Displacement Vane Pumps

VP※※FD Series-Double Pumps Model Code

VP55FD -A -5 -A -5 -50 S
Code
Frame size
Shaft end pump Cover end pump Design Shafts code
Outlet flow
(at 3.5bar,1800 r/min)
Operating pressure range Outlet flow
(at 3.5bar,1800 r/min)
Operating pressure range
A 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
B 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
Code Pressure range
(bar)
A 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
B 
Outlet Flow L/min 
(Geometric displacement cm3/rev)
Code Pressure range
(bar)
VP55FD
(VP5FD)
30 (16) 40 (22) 2 15~35 30(16) 40(22) 2 15~35 50 Omit:

Woodruff key (VP5*)

Straight key (VP6*)


S:
Splined Shaft
VP65FD 54 (30) 70 (39) 3 20~70 30(16) 40(22) 3 20~70
VP66FD 54 (30) 70 (39) 4 50~105 54(30) 70(39) 4 50~105
F:
Flange mounting
●B code (40 & 70 L/min)
maximum pressure 105bar

Factory setting Q max.
5 70~140 ●B code (40 & 70 L/min)
maximum pressure 105bar

Factory setting Q max.
5 70~140
Factory setting Pmin. Factory setting Pmin.

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

Description of double vane pump
 
Double vane pump is composed of two single-stage vane pump installed in a pump body in parallel on the oil circuit. The rotors of the two vane pumps are driven by the same drive shaft and have independent oil outlet. The two pumps may have equal flow or unequal flow [1].
 
Application
 
Double vane pump is often used for the rapid feed and work feed requirements of the mechanical processing of the special machine tool, when the double pump by a small flow and a large flow pump composition. When fast feed, the two pumps supply oil at the same time (at this time the pressure is low), when the work feed, by the small flow pump supply oil (at this time the pressure is high), at the same time in the oil system to make the large flow pump unloading, compared with the use of a high pressure pump, can save energy, reduce oil heating. This double vane pump is also often used in the hydraulic system of machine tools need two independent oil circuit.
 
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