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BLL Marine Vertical Direct-coupled Centrifugal Fire Pump

Date:2023-02-27Views:

BLL Marine Vertical Direct-coupled Centrifugal Fire Pump


Introduction:

Marine fires pose a significant risk to the safety and operation of marine vessels. The BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump is a powerful and reliable solution to mitigate the risk of marine fires. The pump is designed to draw water from the ocean or other water sources and quickly deliver it to the fire location to extinguish the flames. This article provides a detailed overview of the BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump, including its specifications, applications, advantages, and operational considerations.



Specifications:

The BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump has a range of specifications that make it ideal for marine fire protection applications. The pump is made of high-quality materials, including stainless steel and cast iron, to ensure durability and corrosion resistance. The pump's motor is directly coupled to the impeller, which eliminates the need for a separate coupling, and ensures that the pump operates with maximum efficiency.

The pump is vertically mounted, which saves valuable space on board the vessel and allows for easier installation and maintenance. The pump has a maximum flow rate of 1200m3/h and a maximum head of 125m. The pump's suction and discharge flanges are compatible with the standard ANSI B16.5 or GB/T 9113.1 pipe flanges.


Structural Specifications:


The excellent design of our company's engineers, the components made of high-quality materials can make the pump have longer service time, lower maintenance frequency, and higher operating stability in complex environments, but it can also generate different prices.If you need more details about this, you can click on the news or send an email to ask us


Advantages:

The BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump offers a range of advantages over other marine fire protection systems. The pump's direct-coupled design eliminates the need for a separate coupling, which reduces installation and maintenance costs, and improves pump efficiency. The pump's vertical mounting design saves valuable space on board the vessel, making it an ideal choice for small or crowded engine rooms. The pump's high flow rate and maximum head enable it to deliver water quickly and effectively to the fire location, which can help prevent the spread of flames.

Comparison with Other Marine Fire Pumps:

The BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump has several advantages over other types of marine fire pumps. For example, compared to horizontal centrifugal fire pumps, the BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump is more compact and requires less space in the engine room. The vertical mounting design of the pump also makes it easier to install and maintain, compared to horizontal pumps that require a separate baseplate and foundation.

Compared to positive displacement pumps, such as rotary gear pumps or screw pumps, the BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump is more efficient and can deliver water at a higher flow rate and pressure. Positive displacement pumps are better suited for low flow rate applications, such as fuel transfer or lubrication, but may not be as effective for fire protection applications.



Performance Parameter

(In addition, please provide the parameter of the marine pump you need and we can customize the suitable type for you.)

BLL

50HZ/2900RPM

60HZ/3500RPM

50HZ/60HZ


Type

Capacity

(m3/h)


Head

(m)


Motor power

(kW)

Capacity

(m3/h)


Head

(m)


Motor power

(kW)


Efficiency

(%)


(NPSH)r

(m)


Impeller dia.

(mm)


Inlet/out dia.

(mm)

11/2BL-6

6

20.3

1.5

7.2

29.2

2.2

44

6.6

128

40/32

11

17.4

13.2

25

55.5

6.7

14

14

16.8

20

53

6

11/2BL-6A

5

16

1.5

6

23

2.2

38

6.5

115

40/32

9.5

14.2

11.4

20.4

51.5

6.9

13.5

11.2

16.2

16

50

6.1

11/2BL-6B

4.5

12.8

1.1

5.4

18.4

1.5

35

6.4

105

40/32

9

11.4

10.8

16.4

49

7

13

8.8

15.6

12.6

45

6.3

2BL-6

10

34.5

4

12

49.7

7.5

50.6

8.7

162

50/40

20

30.8

24

44.3

64

7.2

30

24

36

34.5

63.5

5.7

2BL-6A

10

28.5

3

12

41

5.5

54.5

8.7

148

50/40

20

25.2

24

36.3

65.6

7.2

30

20

36

28.8

64.1

5.7

2BL-9

11

21

2.2

13.2

30.2

4

56

8

127

50/40

20

18.5

24

26.6

68

6.8

25

16

30

23

66

6

2BL-9A

10

16.8

1.5

12

24

3

54

8.1

117

50/40

17

15

20.4

21.6

65

7.3

22

13

26.4

18.7

63

6.5

3BL-6

30

62

15

36

89.3

22

54.4

7.7

218

80/50

45

57

54

82.1

63.5

6.7

60

50

72

72

66.3

5.6

70

44.5

84

64

64

4.7

3BL-6A

30

45

11

36

64.8

18.5

55

7.5

192

80/50

40

41.5

48

59.8

62

7.1

50

37.5

60

54

64

6.4

60

30

72

43.2

59

6

3BL-9

30

35.5

7.5

36

51

15

62.5

7

168

80/50

45

32.6

54

47

71.5

5

55

28.8

66

41.4

68.2

3

3BL-9A

25

26.2

5.5

30

37.7

7.5

63.7

7

145

80/50

35

25

42

36

70.8

6.4

45

22.5

54

32.4

71.2

5

3BL-13

32.4

21.5

4

38.8

31

7.5

76

6.5

132

80/50

45

18.8

54

27

80

5.5

52.2

15.6

62.6

22.7

75

5

3BL-13A

29.5

17.4

3

35.4

25

5.5

75

6

120

80/50

39.6

15

47.5

21.6

80

5

48.6

12

58

17.3

74

4.5

3BL-13B

28

13.5

2.2

33.6

19.4

4

63

5.5

110

80/50

34.2

12

41

17.3

65

5

41.5

9.5

49.8

13.7

62

4

4BL-12

65

37.7

15

78

54.3

22

72

6.7

178

100/80

90

34.6

108

50

78

5.8

120

28

144

40.3

74.5

3.3

4BL-12A

60

31.6

11

72

45.5

18.5

70

6.9

163

100/80

85

28.6

102

41.2

76

6

110

23.3

132

33.5

73.5

4.5

4BL-18

65

22.6

11

78

32.5

18.5

75

5

143

100/80

90

20

108

28.8

78

110

17.1

132

24.6

74

4BL-18A

60

17.2

5.5

72

24.8

11

74

5

130

100/80

80

15.2

96

21.9

76

95

13.2

114

19

71.1

4BL-25

54

17.6

5.5

64.8

25.3

7.5

70

5

126

100/80

79

14.8

94.8

21.3

78

99

10

118.8

14.4

67

4BL-25A

50

14

4

60

20.2

5.5

68.5

5

114

100/80

72

11

86.4

15.8

75

86

8.5

103.2

12.2

72



The picture of pump


Operational Considerations:


To ensure the effective operation of the BLL Marine Vertical Direct-Coupled Centrifugal Fire Pump, it is important to follow certain operational considerations. Firstly, the pump should be regularly maintained to ensure its performance and reliability. This includes checking the pump's impeller and mechanical seal for wear and tear, and ensuring that the pump's suction and discharge ports are free of debris and blockages.


Secondly, the pump's motor and electrical components should be regularly inspected to ensure they are functioning properly. This includes checking the motor's wiring, insulation, and bearings, and ensuring that the pump's power supply is stable and consistent.


Thirdly, the pump's operation should be monitored closely during use to ensure that it is delivering water at the required flow rate and pressure. If any abnormalities are detected, the pump should be immediately shut down and inspected for any issues.


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