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50/51 Series Pump/Motor

Description features:

1).Pressures up to 3600 PSI (248 bar)

2).Speeds to 2400 RPM

3).Flows of 9.5 and 50 GPM at 1800 RPM

4).Single and Multiple pump/motor, Flow Divider, Piggyback and Winch Motor configurations are available

5).All pumps and relief valves are 100% factory tested

6).High precision, super finished, hardened and high strength alloy steel gears and shafts

7).Pressure balanced wear plates maintain high pump efficiency throughout all operating ranges

8).Heavy duty needle roller bearings provides long lasting service even in the roughest of dump applications

9).Built-in direct acting & adjustable relief valve set at factory

10).There are many connection forms for Pumps and Motors, connection dimensions accord with SAE standard

11).All pumps can designed into single pumps or multiple pumps according to the requirement of the clients

12).Each pump is individually boxed in protective shpping materials



50/51 Pump Performance Data:

Gear Width
(in)

Output
(ml/r)

Reted
Pressure
(Psi)

Maximun
Pressure
(Psi)

Speed
(RPM)

Input
Power
(KW)

Min

Max

1/2"

20.0

3000

3600

600

2400

18.7

3/4"

31.3

27.9

1"

41.8

37.3

1 1/4"

52.3

46.6

1 1/2"

62.8

55.9

1 3/4"

73.1

65.3

2"

86.6

74.5

2 1/4"

94.1

2600

3000

71.9

2 1/2"

104.6

79.9

 

Gear Width
(in)

Output Flow

900RPM

1200RPM

1500RPM

1800RPM

2100RPM

2400RPM

GPM

LPM

GPM

LPM

GPM

LPM

GPM

LPM

GPM

LPM

GPM

LPM

1"

8.5

32

12

46.5

15

57

18

68

21.5

81.5

25

94.5

1 1/4"

10.5

39.5

15

57

19

72

23

87

27

102

31

117

1 1/2"

13

49

18

68

23

87

27.5

104

32.5

123

37

140

1 3/4"

15

57

21

79.5

27

102

32.5

123

38.5

146

44

167

2"

17

66

24

91

31

117

37.5

142

44

167

51

193

2 1/4"

20

75.5

27

102

35

132

42

159

48.5

187

57

216

2 1/2"

22

83.5

30

114

39

146

47

178

55

208

63.5

240



50/51 Motor Performance Data:

M50 performance data at 2000 PSI(138 bar)

M50 Speed (RPM)

1"Gear Width

1 1/2"Gear Width

2"Gear Width

2 1/2"Gear Width

Output

Input Flow

Output

Input Flow

Output

Input Flow

Output

Input Flow

Torque

Power

Torque

Power

Torque

Power

Torque

Power

800

670
in-lbs

8.5
HP

10.5
GPM

1070
in-lbs

13.5
HP

15.5
GPM

1450
in-lbs

18
HP

21
GPM

1850
in-lbs

23.5
HP

26
GPM

75
Nm

6.5
KW

39.5
LPM

125
Nm

10
KW

58.5
LPM

165
Nm

13.5
KW

79.5
LPM

215
Nm

17.5
KW

98.5
LPM

1200

680
in-lbs

13
HP

15.5
GPM

1075
in-lbs

20.5
HP

22.5
GPM

1450
in-lbs

27.5
HP

30.5
GPM

1840
in-lbs

35
HP

37.5
GPM

80
Nm

9.5
KW

58.5
LPM

125
Nm

15
KW

85
LPM

1650
Nm

20.5
KW

115
LPM

210
Nm

26
KW

142
LPM

1600

670
in-lbs

17
HP

20
GPM

1045
in-lbs

26.5
HP

30
GPM

1440
in-lbs

36.5
HP

40
GPM

1750
in-lbs

44.5
HP

49.5
GPM

75
Nm

12.5 KW

75.5
LPM

120
Nm

20
KW

114
LPM

165
Nm

27
KW

151
LPM

200
Nm

33
KW

187
LPM

2000

660
in-lbs

21
HP

25
GPM

1030
in-lbs

32.5
HP

37
GPM

1415
in-lbs

44.5
HP

49
GPM

1720
in-lbs

54.5
HP

61.5
GPM

75
Nm

15.5 KW

94.5
LPM

120
Nm

24
KW

140
LPM

165
Nm

33
KW

185
LPM

200
Nm

40.5
KW

233
LPM


M51 performance data at 2500 PSI(172 bar)

M51 Speed (RPM)

1"Gear Width

1 1/2"Gear Width

2"Gear Width

2 1/2"Gear Width

Output

Input Flow

Output

Input Flow

Output

Input Flow

Output

Input Flow

Torque

Power

Torque

Power

Torque

Power

Torque

Power

800

825
in-lbs

10.5
HP

10.5
GPM

1310
in-lbs

16.5
HP

15.5
GPM

1810
in-lbs

23
HP

21
GPM

2330
in-lbs

29.5
HP

26
GPM

93
Nm

8
KW

39.5
LPM

148
Nm

12.5
KW

58.5
LPM

204.5
Nm

17
KW

79.5
LPM

263.5
Nm

22
KW

98.5
LPM

1200

850
in-lbs

16
HP

15.5
GPM

1340
in-lbs

25.5
HP

22.5
GPM

1830
in-lbs

35
HP

30.5
GPM

2340
in-lbs

44.5
HP

37.5
GPM

96
Nm

12
KW

58.5
LPM

151.5
Nm

19
KW

85
LPM

207
Nm

26
KW

115
LPM

264.5
Nm

33
KW

142
LPM

1600

830
in-lbs

21
HP

20
GPM

1330
in-lbs

34
HP

30
GPM

1805
in-lbs

46
HP

40
GPM

2300
in-lbs

58.5
HP

49.5
GPM

94
Nm

15.5
KW

75.5
LPM

150.5
Nm

25.5
KW

114
LPM

204
Nm

34.5
KW

151
LPM

260
Nm

43.5
KW

187
LPM

2000

800
in-lbs

25.5
HP

25
GPM

1290
in-lbs

41
HP

37
GPM

1770
in-lbs

56
HP

49
GPM

2250
in-lbs

71.5
HP

61.5
GPM

90.5
Nm

19
KW

94.5
LPM

146
Nm

30.5
KW

140
LPM

200
Nm

42
KW

185
LPM

254
Nm

53.5
KW

233
LPM

 

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COMPANY: HangZhou PINGHAI Machine CO.,LTD
ADD: NO.60 south of Jianghong Road,Changhe Street,Binjiang Area, Hangzhou ,Zhejiang Province,China