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Zhejiang Zhongnai Pump Industry Co., Ltd

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    Sanqiao Industrial Zone, Oubei Town, Yongjia County, Zhejiang Province

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PBG series pipeline shielded pump

NegotiableUpdate on 05/12
Model
Nature of the Manufacturer
Producers
Product Category
Place of Origin

Overview

The PBG series pipeline shielded pump is composed of a centrifugal pump and a shielded electric motor, forming a sealed whole with a static sealing design. It can be widely used in the transportation of non corrosive cold and hot water in heating, sanitary water, and chilled water systems. It is an ideal transportation equipment for heat exchange stations and pipeline centralized heating in hotels, hospitals, factories, high-end residences, and other places.

Product Details

■ PBG series pipeline shielded pump product overview:

Pipeline shielded pump, vertical centrifugal shielded pump, single-stage pipeline shielded pump

The PBG series pipeline shielded pump is composed of a centrifugal pump and a shielded electric motor, forming a sealed whole with a static sealing design. It can be widely used in the transportation of non corrosive cold and hot water in heating, sanitary water, and chilled water systems. It is an ideal transportation equipment for heat exchange stations and pipeline centralized heating in hotels, hospitals, factories, high-end residences, and other places. Compared with ordinary centrifugal pumps, shielded pumps have the characteristics of compact pump machine integrated structure, small volume, beautiful appearance, smooth operation, easy installation, no noise, zero leakage, etc., which maximize the satisfaction of users' increasing demands for stability and environmental protection in the working environment.

■ PBG seriesPipeline shielded pumpStructure diagram:

serial number

Component Name

serial number

Component Name

1

baseplate

5

Shielded motor stator

2

pump body

6

Shielded motor rotor

3

impeller

7

cooling water pipe

4

Graphite bearings

8

valve

For vertical water pumps, electric pumps consist of two parts: a water pump and a shielded electric motor (hereinafter referred to as the motor). The main components of the water pump include impeller, pump body, and sealing ring, while the main components of the motor include stator, rotor, shielding sleeve, bearing seat, bearing, thrust disc, cooling pipe, and air release valve.
The shielded pump motor uses H-grade insulated windings. The rotor consists of a stainless steel shaft and a cast aluminum rotor. In order to prevent the liquid from entering the stator and corroding the rotor, stainless steel shielding sleeves are used to seal the inner diameter of the stator and the surface of the rotor.
Sealing: The connection between the pump body flange and the motor flange, as well as the connection between the machine base, bearing seat, and stator shield, are all sealed with heat-resistant O-ring seals.
The shield pump impeller cantilever is installed on the motor shaft and secured with keys and nuts.
Lubrication and cooling: using external circulation. When the pump is working, a small amount of liquid is drawn out from the outlet of the electric pump and flows through the cooling pipe, the clearance between the rear bearing and the shaft neck, the clearance between the stator and rotor, the clearance between the front bearing and the shaft neck, and the rear mouth ring of the impeller to form a circulation loop (single-stage), and the inlet ring of the last stage impeller to form a circulation loop (multi-stage).

■ Model meaning:

■ Working conditions:

1. The fluid transported by the shielded pump should not contain solid particles with a volume ratio exceeding 0.1% and a particle size greater than 0.2mm;
2. The rated voltage of the power supply is 380V, the frequency is 50Hz, and it is three-phase AC power;
3. The temperature of the conveyed liquid is ≤ 120 ℃;
4. The pressure of the shielded pump system shall not exceed 1.0MPa and shall not be less than 50Kpa; If it exceeds the limit, please indicate it when placing the order;
5. The ambient temperature shall not exceed 40 ℃;
6. Altitude not exceeding 1000mm;
7. The electric motor is of the squirrel cage type and is suitable for full voltage starting. If the original capacity of the motor is insufficient for full voltage starting, voltage reduction starting can be used.

■ Product Usage

Widely used in HVAC cold and hot water circulation, industrial and urban water supply, pipeline pressurization, long-distance water delivery and other occasions, derivative products with different materials are more suitable for petroleum, chemical, pharmaceutical, food, refrigeration and other industries. Various occasions including high, low, and high pressure.

■ Performance parameters:


model

traffic

m3/h

traffic

L/S

head

m

efficiency

%

speed

r/min

Motor power

KW

Net Positive Suction Head (NPSH)

m

PBG40-100

6.3

1.75

12.5

54

1450

0.55

3.5

PBG40-100A

5.6

1.56

10

52

1450

0.37

3.5

PBG40-125

6.3

1.75

20

46

1450

1.1

3.5

PBG40-125A

5.6

1.56

16

45

2900

0.75

3.5

PBG40-160

6.3

1.75

32

40

2900

2.2

3.5

PBG40-160A

5.9

1.64

28

39

2900

1.5

3.5

PBG40-160B

5.5

1.53

24

38

2900

1.1

3.5

PBG40-200

6.3

1.75

50

33

2900

4.0

3.5

PBG40-200A

5.9

1.64

44

31

2900

3.0

3.5

PBG40-200B

5.3

1.47

36

29

2900

2.2

3.5

PBG40-250

6.3

1.75

80

28

2900

7.5

3.5

PBG40-250A

5.9

1.64

70

28

2900

5.5

3.5

PBG40-250B

5.5

1.53

60

27

2900

4.0

3.5

PBG40-100(I)

12.5

3.47

12.5

62

1450

1.1

3.5

PBG40-100(I)A

11

3.05

10

60

1450

0.75

3.5

PBG40-125(I)

12.5

3.47

20

58

1450

1.5

3.5

PBG40-125(I)A

11

3.05

16

57

1450

1.1

3.5

PBG40-160(I)

12.5

3.47

32

52

2900

3.0

3.5

PBG40-160(I)A

11.7

3.25

28

51

2900

2.2

3.5

PBG40-160(I)B

10.4

2.89

22

50

2900

1.5

3.5

PBG40-200(I)

12.5

3.47

50

46

2900

5.5

3.5

PBG40-200(I)A

11.7

3.25

44

45

2900

4.0

3.5

PBG40-200(I)B

10.6

2.94

36

44

2900

3.0

3.5

PBG40-250(I)

12.5

3.47

80

38

2900

11

3.5

PBG40-250(I)A

11.6

3.22

70

38

2900

7.5

3.5

PBG40-250(I)B

10.8

3.0

60

37

2900

7.5

3.5

PBG40-250(I)C

10.0

2.78

52

36

2900

5.5

3.5

PBG50-100

12.5

3.47

12.5

62

1450

1.1

3.5

PBG50-100A

11

3.05

10

60

1450

0.75

3.5

PBG50-125

12.5

3.47

20

58

1450

1.5

3.5

PBG50-125A

11

3.05

16

57

1450

1.1

3.5

PBG50-160

12.5

3.47

32

52

2900

3.0

3.5

PBG50-160A

11.7

3.25

28

51

2900

2.2

3.5

PBG50-160B

10.4

2.89

22

50

2900

1.5

3.5

PBG50-200

12.5

3.47

50

46

2900

5.5

3.5

PBG50-200A

11.7

3.25

44

45

2900

4.0

3.5

PBG50-200B

10.6

2.94

36

44

2900

3.0

3.5

PBG50-250

12.5

3.47

80

38

2900

11

3.5

PBG50-250A

11.6

3.22

70

38

2900

7.5

3.5

PBG50-250B

10.8

3.0

60

37

2900

7.5

3.5

PBG50-250C

10.0

2.78

52

36

2900

5.5

3.5

PBG50-100(I)

25

6.94

12.5

69

1450

1.5

3.8

PBG50-100(I)A

22.3

6.19

10

67

1450

1.1

3.8

PBG50-125(I)

25

6.94

20

68

1450

3.0

3.8

PBG50-125(I)A

22.3

6.49

16

66

1450

2.2

3.8

PBG50-160(I)

25

6.94

32

63

1450

4.0

3.8

PBG50-160(I)A

23.4

6.5

28

62

1450

4.0

3.8

PBG50-160(I)B

21.6

6.0

24

58

1450

3.0

3.8

PBG50-200(I)

25

6.94

50

58

2900

7.5

3.8

PBG50-200(I)A

23.5

6.53

44

57

2900

7.5

3.8

PBG50-200(I)B

21.8

6.06

38

55

2900

5.5

3.8

PBG50-250(I)

25

6.94

80

50

2900

15.0

3.8

PBG50-250(I)A

23.4

6.5

70

50

2900

11.0

3.8

PBG50-250(I)B

21.6

6.0

60

48

2900

11.0

3.8

PBG50-315(I)

25

6.94

125

40

2900

30.0

3.8

PBG50-315(I)A

23.7

6.58

113

40

2900

22.0

3.8

PBG50-315(I)B

22.5

6.25

101

39

2900

18.5

3.8

PBG50-315(I)C

20.6

5.72

85

38

2900

15.0

3.8

PBG65-100

25

6.94

12.5

69

1450

1.2

3.8

PBG65-100A

22.3

6.19

10

67

1450

1.1

3.8

PBG65-125

25

6.94

20

68

1450

3.0

3.8

PBG65-125A

22.3

6.19

16

66

1450

2.2

3.8

PBG65-160

25

6.94

32

63

1450

4.0

3.8

PBG65-160A

23.4

6.5

28

62

1450

4.0

3.8

PBG65-160B

21.6

6.0

24

58

1450

3.0

3.8

PBG65-200

25

6.94

50

58

2900

7.5

3.8

PBG65-200A

23.5

6.53

44

57

2900

7.5

3.8

PBG65-200B

21.8

6.06

38

55

2900

5.5

3.8

PBG65-250

25

6.94

80

50

2900

15.0

3.8

PBG65-250A

23.4

6.5

70

50

2900

11.0

3.8

PBG65-250B

21.6

6.0

60

49

2900

11.0

3.8

PBG65-315

25

6.94

125

40

2900

30.

3.8

PBG65-315A

23.7

6.58

113

40

2900

22.0

3.8

PBG65-315B

22.5

6.25

101

39

2900

18.5

3.8

PBG65-315C

20.6

5.72

85

38

2900

15.5

3.8

PBG65-100(I)

50

13.9

12.5

73

1450

3.0

4.2

PBG65-100(I)A

44.7

12.5

10

72

1450

2.2

4.2

PBG65-125(I)

50

13.9

20

72.5

1450

5.5

4.2

PBG65-125(I)A

45

12.5

16

71

1450

4.0

4.2

PBG65-160(I)

50

13.9

32

71

1450

7.5

4.2

PBG65-160(I)A

46.7

13.0

28

70

1450

7.5

4.2

PBG65-160(I)B

43.3

12.0

24

69

1450

5.5

4.2

PBG65-200(I)

50

13.9

50

67

2900

15.0

4.2

PBG65-200(I)A

47

13.1

44

66

2900

11.0

4.2

PBG65-200(I)B

43.5

12.1

38

65

2900

7.5

4.2

PBG65-250(I)

50

13.9

80

59

2900

22.0

4.2

PBG65-250(I)A

46.7

13.0

70

59

2900

18.5

4.2

PBG65-250(I)B

43.3

12.0

60

58

2900

15.0

4.2

PBG65-315(I)

50

13.9

125

54

2900

34.0

4.2

PBG65-315(I)A

46.5

12.9

110

54

2900

30.0

4.2

PBG65-315(I)B

44.5

12.4

100

53

2900

30.0

4.2

PBG65-315(I)C

41

11.4

85

51

2900

22.0

4.2

PBG80-100

50

13.9

12.5

73

1450

3.0

4.2

PBG80-100A

44.7

12.4

10

72

1450

2.2

4.2

PBG80-125

50

13.9

20

72.5

1450

5.5

4.2

PBG80-125A

45

12.5

16

71

1450

4.0

4.2

PBG80-160

50

13.9

32

71

1450

7.5

4.2

PBG80-160A

46.7

13.0

28

70

1450

7.5

4.2

PBG80-160B

43.3

12.0

24

69

1450

5.5

4.2

PBG80-200

50

13.9

50

67

2900

15.5

4.2

PBG80-200A

47

13.1

44

66

2900

11.0

4.2

PBG80-200B

43.5

12.1

38

65

2900

7.5

4.2

PBG80-250

50

13.9

80

59

2900

22.0

4.2

PBG80-250A

46.7

13.0

70

59

2900

18.5

4.2

PBG80-315

50

13.9

125

54

2900

37.0

4.2

PBG80-315A

46.5

12.9

110

54

2900

30.0

4.2

PBG80-315B

44.5

12.4

100

53

2900

30.0

4.2

PBG80-315C

41

11.4

85

51

2900

22.0

4.2

PBG80-100(I)

100

27.8

12.5

76

1450

5.5

4.2

PBG80-100(I)A

89

24.7

10

74

1450

4.0

4.2

PBG80-125(I)

100

27.8

20

76

1450

11.0

4.2

PBG80-125(I)A

89

24.7

16

74

1450

7.5

4.2

PBG80-160(I)

100

27.8

32

76

1450

15.0

4.2

PBG80-160(I)A

93.5

26.0

28

74

1450

11.0

4.2

PBG80-160(I)B

86.6

24.1

24

72

1450

11.0

4.2

PBG80-200(I)

100

27.8

50

74

1450

22.0

4.2

PBG80-200(I)A

93.5

26.0

44

73

1450

18.5

5.5

PBG80-200(I)B

87

24.2

38

71

1450

15.0

5.5

PBG100-100

100

27.8

12.5

76

1450

5.5

5.5

PBG100-100A

89

24.7

10

74

1450

4.0

5.5

PBG100-125

100

27.8

20

76

1450

11.0

5.5

PBG100-125A

89

24.7

16

74

1450

7.5

5.5

PBG100-160

100

27.8

32

76

1450

15.0

5.5

PBG80-250B

43.3

12.0

60

58

2900

15.0

4.2

PBG100-160A

93.5

26.0

28

74

1450

11.0

5.5

PBG100-160B

86.6

24.1

24

72

1450

11.0

5.5

PBG100-200

100

27.8

50

74

1450

22.0

5.5

PBG100-200A

93.5

26.0

44

73

1450

18.5

5.5

PBG100-200B

87

27.2

38

71

1450

15.0

5.5

PBG125-100

160

44.4

12.5

82

1450

11.0

5.5

PBG125-100A

143

39.7

10

77

1450

7.5

5.5

PBG125-125

160

44.4

20

80

1450

15.0

5.5

PBG125-25A

143

39.7

16

77

1450

11.0

5.5

PBG125-160

160

44.4

32

78

1450

22.0

5.5

PBG125-160A

150

41.7

28

76

1450

18.5

5.5

PBG125-1160B

138

38.3

24

73

1450

15.0

5.5

PBG125-200

160

44.4

50

77

1450

37.0

5.5

PBG125-200A

150

41.7

44

76

1450

30.0

5.5

PBG125-200B

138

38.3

37.5

75

1450

22.0

5.5

PBG150-200

200

55.6

12.5

78

1450

15.0

5.0

PBG150-200A

179

49.7

10

76

1450

11.0

5.0

PBG150-250

200

55.6

20

79

1450

18.5

5.0

PBG150-250A

184.4

51.2

17

78

1450

15.0

5.0

PBG150-250B

167

46.4

14

76

1450

11.0

5.0

PBG150-315

200

55.6

32

78

1450

30.0

5.5

PBG150-315A

187

51.9

28

77

1450

22.0

5.5

PBG150-315B

173

48.1

24

76

1450

18.5

5.5

PBG150-400

200

55.6

50

75

1450

45.0

5.5

PBG150-400A

187

51.9

44

74

1450

37.0

5.5

PBG150-400B

174

48.3

38

73

1450

30.0

5.5

PBG150-400C

160

44.4

32

71

1450

22.0

5.5

PBG200-200

200

55.6

12.5

78

1450

15.0

5.0

PBG200-200A

179

49.7

10

76

1450

11.0

5.0

PBG200-250

200

55.9

20

79

1450

18.5

5.0

PBG200-250A

184.4

51.2

17

78

1450

15.0

5.0

PBG200-250B

167

46.4

14

76

1450

11.1

5.0

PBG200-315

200

55.6

32

78

1450

30.0

5.5

PBG200-315A

187

51.9

28

77

1450

22.0

5.5

PBG200-315B

173

48.1

24

76

1450

18.5

5.5

PBG200-400

200

55.6

50

75

1450

45.0

5.5

PBG200-400A

187

51.9

44

74

1450

37.0

5.5

PBG200-400B

174

48.3

38

73

1450

30.0

5.5

PBG200-400C

160

44.4

32

71

1450

22.0

5.5

PBG200-200(I)

400

111.1

12.5

80

1450

22.0

5.5

PBG200-200(I)A

358

99.4

10

78

1450

18.5

5.5

PBG200-250(I)

400

111.4

20

80

1450

30.0

5.5

PBG200-250(I)A

358

99.4

16

78

1450

22.0

5.5

PBG200-250(I)B

322

89.4

13

75

1450

18.5

5.5

PBG200-315(I)

400

111.4

32

80

1450

55.0

5.5

PBG200-315(I)A

374

103.9

28

79

1450

45.0

5.5

PBG200-315(I)B

346

96.1

24

78

1450

37.0

5.5

PBG200-400(I)

400

111.4

50

81

1450

75.0

5.5

PBG200-400(I)A

374

103.9

44

80

1450

75.0

5.5

PBG200-400(I)B

346

96.1

30

78

1450

55.0

5.5

PBG200-400(I)C

320

88.9

32

76

1450

45.0

5.5

PBG300-235

720

200

18

81

970

55.0

6.0

PBG300-235A

657

182.5

15

79

970

45.0

6.0

PBG300-235B

600

167.0

12.5

77

970

37.0

6.0

PBG300-300

720

200

28

81

970

75.0

6.0

PBG300-300A

666

185

24

80

970

75.0

6.0

PBG300-300B

623

173.1

21

79

970

55.0

6.0

PBG300-380

720

200

44

84

970

132.0

6.0

PBG300-380A

666

185

38

80

970

110.0

6.0

PBG300-380B

614

170.6

32

78

970

90.0

6.0

PBG300-235(I)

1080

300

40

82

970

160.0

6.0

PBG300-235(I)A

965

268.1

32

80

970

132.0

6.0