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LW sewage pump

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  • product manual
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Model meaning

图片8.jpg


Product introduction


LW explosion-proof vertical sewage pump is a new generation of pump products developed on the basis of the introduction of foreign advanced technology and the use of domestic water pumps. It has significant energy saving effects, anti-winding, non-blocking, automatic installation and automatic control, etc. Features. It has a unique effect in discharging solid particles and long-fiber waste.

This series of pumps adopt unique impeller structure and new mechanical seals, which can effectively transport solids and long fibers. Compared with the traditional impeller, the impeller adopts the form of single flow passage or double flow passage. It is similar to a curved pipe with the same cross-section size. It has very good flow characteristics and is equipped with a reasonable volute to make the pump efficient. The dynamic and static balance tests of the high and impellers make the pump vibration-free during operation.

The hydraulic performance of this pump is advanced and mature. After testing, all performance indicators have reached relevant standards. After the product is put on the market, it is welcomed and praised by customers for its unique efficacy, reliable performance and stable quality.



Features


1. Adopting a double-blade impeller structure, which greatly improves the ability of dirt to pass through

2. The mechanical seal adopts a new type of grinding hob, and it will run in the oil chamber for a long time;

3. The overall structure is compact, small in size, low in noise, and has a significant energy saving effect, convenient maintenance and convenient for user replacement;

4. The automatic control cabinet can automatically control the over-motion and stop of the pump according to the required liquefaction changes. It does not require special supervision and is extremely convenient to use;

5. It can be equipped with installation methods according to user needs, which greatly facilitates installation and maintenance, and people can enter the sewage pit without doing this;

6, can be used within the design range, and ensure that the motor will not be overloaded;

7. If the pump is equipped with an outdoor motor, there is no need to build a pump room, which can be directly installed and used outdoors to save costs;


Product Usage


LW series non-clogging sewage pump is suitable for the discharge of severely polluted wastewater from factories, sewage drainage stations in main residential areas, water distribution systems in urban sewage treatment plants, drainage systems for civil air defense systems, water supply equipment for water plants, hospitals, and hotels. , Municipal engineering construction sites, mining auxiliary equipment, rural biogas ponds, farmland irrigation and other industries, conveyor belt particles of sewage, dirt, can also be used in clean water and with weakly corrosive media.



Conditions of Use


1. The sewage pump series products are applicable when the rated voltage is 380V and the power frequency is 50Hz.

2.The temperature of the medium does not exceed 40 degrees Celsius, the density of the medium is ≤1150kg / m3, and the PH value is in the range of 5-9;

3. The altitude does not exceed 1000 meters;

4. The annual viscosity of the conveying medium does not exceed 1000CP;

5.The material of the product is mainly cast iron, and it cannot be used in highly corrosive or highly corrosive media;

Note: Before selecting or installing and using, make sure that the actual conditions of the pump meet the above conditions and ensure the correct use of the product!

structure diagram


图片9.jpg




1

Motor

9

Bearing gland

2

Extension shaft

10

Bearing

3

Bearing block

11

Mechanical seal seat

4

Pump cover

12

Machinery Seal

5

Oil seal

13

key

6

impeller

14

Pump body wear ring

7

Impeller nut

15

Pump body

8

Base


model

caliber

flow

Head

Rotating speed

Motor Power

effectiveness


mm

m3 / h

M

r / min

kw

%

25-8-22-1.1

25

8

twenty two

2900

1.1

45

32-12-15-1.1

32

12

15

2900

1.1


40-15-15-1.5

40

15

15

2900

1.5

54

40-15-30-2.2

40

15

30

2900

2.2

54

50-20-7-0.75

50

20

7

2900

0.75

51

50-10-10-0.75

50

10

10

2900

0.75

52

50-20-15-1.5

50

20

15

290

1.5

53

50-15-25-2.2

50

15

25

2900

2.2

54

50-18-30-3

50

18

30

2900

3

55

50-40-15-4

50

40

15

2900

4

55

50-25-32-5.5

50

25

32

2900

5.5

55

50-20-40-7.5

50

50

20

2900

7.5

58

65-25-15-2.2

65

25

15

2900

2.2

50

65-37-13-3

65

37

13

2900

3

57

65-25-30-4

65

25

30

2900

4

61

65-30-40-7.5

65

30

40

2900

7.5

56

65-35-50-11

65

35

50

2900

11

45

65-35-60-15

65

35

60

2900

15

65

80-60-13-5.5

80

60

13

2900

5.5

67

80-40-7-2.2

80

40

7

1450

2.2

59

80-43-13-3

80

43

13

2900

3

70

80-40-15-4

80

40

15

2900

4

61

80-65-25-7.5

80

65

25

2900

7.5

63

100-80-10-4

100

100

10

1450

4

65

model

caliber

flow

Head

Rotating speed

Motor Power

effectiveness


mm

m3 / h

M

r / min

kw

%

100-110-10-5.5

100

110

10

1450

5.5

65

100-100-15-7.5

100

100

15

1450

7.5

68

100-80-20-7.5

100

80

20

1450

7.5

65

100-100-25-11

100

100

25

1450

11

70

100-100-30-15

100

100

30

1450

15

65

100-100-35-18.5

100

100

35

1450

18.5

68

125-130-15-11

125

130

15

1450

11

72

125-130-20-15

125

130

20

1450

15

75

150-145-9-7.5

150

145

9

1450

7.5

76

150-180-15-15

150

180

15

1450

15

69

150-180-20-18.5

150

180

20

1450

18.5

72

150-180-25-22

150

180

25

1450

twenty two

78

150-130-30-22

150

130

30

1450

twenty two

78

150-180-30-30

150

180

30

1450

30

78

150-200-30-37

150

200

30

1450

37

73

200-300-7-11

200

300

7

980

11

66

200-250-11-15

200

250

11

1450

15

64

200-250-15-18.5

200

250

15

1450

18.5

73

200-400-10-22

200

400

10

1450

twenty two

75

200-400-13-30

200

400

13

14501

30

76

200-300-15-22

200

300

15

1450

twenty two

76

200-250-22-30

200

250

twenty two

1450

30

71

200-350-25-37

200

350

25

1450

37

71

200-400-30-45

200

400

30

1450

45

74

model

caliber

flow

Head

Rotating speed

Motor Power

effectiveness


mm

m3 / h

M

r / min

kw

%

250-600-9-30

250

600

9

980

30

78

250-600-12-37

250

600

12

1450

37

76

250-600-15-45

250

600

15

1450

45

73

250-600-20-55

250

600

20

1450

55

73

250-600-25-75

250

600

25

1450

75

71

300-800-12-45

300

800

12

980

45

74

300-480-15-45

300

480

15

1450

45

66

300-800-15-55

300

800

15

1450

55

73

300-600-20-55

300

600

20

1450

55

73

300-800-20-75

300

800

20

1450

75

75

300-950-20-90

300

950

20

1450

90

76

300-1000-25-110

300

1000

25

1450

110

76

300-1100-10-55

300

1100

10

1450

55

73

350-1500-15-90

350

1500

15

740

90

87

350-1200-18-90

350

1200

18

980

90

85

350-1100-28-132

350

1100

28

980

132

84

350-1000-36-160

350

1000

36

980

160

84

400-1760-7.5-55

400

1760

7.5

980

55

83

400-1500-10-75

400

1500

10

980

75

86

400-2000-13-110

400

2000

13

980

110

84

400-2000-15-132

400

2000

15

980

132

83

400-1700-22-160

400

1700

twenty two

980

160

83

400-1500-26-160

400

1500

26

980

160

84

model

caliber

flow

Head

Rotating speed

Motor Power

effectiveness


mm

m3 / h

M

r / min

kw

%

400-1700-30-200

400

1700

30

980

200

86

400-1800-32-250

400

1800

32

980

250

82

500-2500-10-110

500

2500

10

740

110

85

500-2600-15-160

500

2600

15

740

160

84

500-2400-22-220

500

2400

twenty two

740

220

85

500-2650-24-250

500

2650

twenty four

740

250

85


400-027-6688 QQ: 1026140595
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