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Sauer PV hydraulic pumps

    Product Introduction:

    Model: PV20, PV21, PV22, PV23, PV24, PV25, PV26, PV27

    Closed circuit

    Series 20

    Size: 20, 21, 22, 23, 24, 25, 26, 27

    Nominal pressure 210 bars, Maximum pressure 350 bars.


  • Parameters

    Product Introduction:

    Model: PV20, PV21, PV22, PV23, PV24, PV25, PV26, PV27

    Closed circuit

    Series 20

    Size: 20, 21, 22, 23, 24, 25, 26, 27

    Nominal pressure 210 bars, Maximum pressure 350 bars.


Sauer PV pump

Danfoss Sauer PV pump

Hydraulic Sauer-Sundstrand axial piston pump PV20, PV21, PV22, PV23, PV24, PV25, PV26, PV27

 

Description

Closed circuit

Series 20

Size: 20, 21, 22, 23, 24, 25, 26, 27

Nominal pressure 210 bars, Maximum pressure 350 bars.

 

The Sauer PV axial piston variable displacement pumps, Series 20, are of swash plate construction with variable flow capability suitable for hydrostatic transmissions with closed circuit. The flow rate is proportional to the pumps driven speed displacement, which, in turn, is determined by the swash plate angle. The latter is infinitely adjustable between zero and maximum displacement. Flow direction is reserved by titling the swash plate to the opposite side of the neutral or zero displacement position. These units and parts are fit, form and function replacements for Sauer-Sundstrand series 20 components.

 – Suitable for a variety of applications

– Multiple displacements and options available

– 8 different frame sizes

– Engineered to provide a long service life and reliability

– Fixed displacement motor can be operated in either direction of rotation

– Multiple drive shaft options and control options

– Heavy duty bearings and shafts

– Easily serviceable

– Replacement parts also available

– Direct replacements for Sauer-Sundstrand


Technical Data 

Table of values (theoretical values, without efficiency and tolerances; values rounded)

Size

Dimension

Sauer-Sundstrand PV pump

PV20

PV21

PV22

PV23

PV24

PV25

PV26

PV27

Max. displacement

cm3

33,3

51,6

69,8

89,0

118,7

165,8

227,3

333,7

Max. flow

dm3min-1

119,5

159,9

196,1

230,5

278,9

348,1

429,59

557,2

4

6

4

1

4

8

8

Charge pump

cm3

12,3

12,3

18,03

18,03

18,8

32,8

32,8

65,5

Max. pressure

MPa

35

Nominal pressure

MPa

21

Max. pressure of control

MPa

3,5

Charge pressure

MPa

0,8 – 2,0

Max. pressure in case

MPa

0,25 continuous 0,5 intermittent

Maximum speed +

min-1

3590

3100

2810

2590

2350

2100

1890

1670

Minimum speed

min-1

500

Nominal speed

min-1

1500

Kinematic viscosity range of working fluid

– starting

– operating

– optimum


 

1000

12 – 600

25 – 35

mm2s-1

Kind of working fluid


mineral oil

Operating temperature

oC

– 40 to + 50

Max. temperature of working fluid in tank

oC

80

Purity of working fluid

µm

10

Direction of shaft rotation


clockwise or counter clockwise

Maximum swash plate angle

o

± 18 o

Weight

kg

45

55

63

78

124

164

212

270

 


Sauer PV hydraulic pumps
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Mining Machinery 
Contact: Jack Zhang
Mobile: +86-18663742355
E-mail: 
sales@focormach.com 
Web: www.focormach.com


   



Hydraulic Products
Contact: Baker Zhang
Mobile: +86-18660165771   
E-mail:
 sales@jnfocor.com 
Web: 
www.jnfocor.com

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