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SB Centrifugal Pumps
SB Centrifugal Pumps
SB Centrifugal Pumps

SB Centrifugal Pumps

  • 1320GPM Extra-large flow
  • 115ft High-lift 6 years service life
  • Wear resistant cast iron pump shell
  • Machinery and packing double seal structure
  • Metric and imperial two connection methods
  • Low maintenance
SB series centrifugal pumps(sand pumps) are supplementary pumps, newly designed and manufactured according to features of petroleum and natural gas drilling equipment. Such pumps, adopting axial suction structures and using wear-resistant cast iron for flow-passing parts, applicable to deliver corrosive drilling fluid (with suspended particulates) or other liquid media under similar work condition, are the best optional pumps of  desander, desilter and mixing hoppers as well as perfect perfusion pumps of mud pumps. For design of their parameters, that equipment with which such pumps are used together can operate under the best work condition has been fully considered. These pumps are mainly characterized by good versatility and exchangeability of parts, less leakage of shaft seal, reliable operation, long service life and convenient maintenance.

SB series centrifugal pumps are of five types, namely, SB8×6, SB6×5, SB5×4, SB4×3 and SB3×2, of which, SB8×6 matches motors (45kW, 55kW & 75kW) (forward pumps and reverse pumps of 6 specifications can be provided according to customers’ demands), SB6×5 is for motors (22kW, 30kW, 37kW and 45kW) (reverse pumps of 4 specifications); SB5×4 can be used with motors (15kW and 22kW) (reverse pumps of 2 specifications); SB4×3 is applicable for motors (15kW, 11kW and 7.5kW) (reverse pumps of 3 specifications); SB3×2 matches motors (11kW, 7.5kW & 5.5kW) (reverse pumps of three specifications). Sealing components of the former two types pumps are universal. Outline and installation dimensions of reverse pumps are the same as those of forward pumps on the whole, except that volute discharge tube is at left side of forward pump but at right side of reverse pump (seeing from the suction end).


Sealing of SB series sand pumps is mechanical seal, Main seal is high wearing hard alloy mechanical seal that is with a long life; auxiliary seal is graphite packing seal that can avoid accidents. The practice has demonstrated that SB series sand pump seal is reliable and convenient for maintenance.


Shaft seal of SB series sand pumps is lubricated with grease, and bearings are lubricated with oil. In addition, bearings can also be lubricated with grease (bearing caps at two ends of bearings are equipped with grease holes).


Both inlet flanges and outlet flanges of SB series sand pumps are with two series standard dimensions, in metric system for domestic users and in English system for foreign users.

Our SB series sand pumps have been used for land and offshore drilling platforms in more than 20 countries over the world, and the result shows that these pumps requires little maintenance expenses other than the normal replacement of sealing components.


SB series Centrifugal Pumps Technical Parameters

Type

Flow GPM

Head  (FEET)

Speed

(RPM)

Eff .

(%)

NPSH

(FEET)

Shaft Power

(HP)

Motor Power

(HP)

SB10×8-14

2000

95

1750

60

16

83

150

SB10×8-13

1550

88

1750

60

16

59

125

SB10×8-12

1320

82

1750

60

16

46

100

SB8×6-14

1320

131

1750

67

15

65

125

SB8×6-13

1050

121

1750

67

15

49

100

SB8×6-12

880

118

1750

66

15

42

75

SB8×6-11

880

108

1750

64

15

38

60

SB6×5-14

880

114

1750

64

15

40

75

SB6×5-13

880

108

1750

64

15

38

60

SB6×5-12

780

102

1750

61

13

34

50

SB6×5-11

700

92

1750

61

13

25

40

SB6×5-10

615

79

1750

61

13

22

30

SB5×4-14

395

130

1750

61

11

26

50

SB5×4-12

340

100

1750

60

11

16

30

SB4×3-12

375

100

1750

60

10

19

40

SB4×3-11

350

82

1750

58

10

12

25

SB4×3-10

350

75

1750

57

10

11

15

SB4×3-9

310

58

1750

57

10

7

10

SB3×2-13

350

110

1750

56

10

15

30

SB3×2-11

220

90

1750

56

10

9

15

SB3×2-10

200

70

1750

54

10

7.5

10

SB3×2-9

175

50

1750

54

10

4.4

7.5


SB8×6 and SB6×5 are respectively recommended to be used with drillers over 3200m and below 2500m.


SB centrifugal pumps introduce

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