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Type VSS

VSS Curves
VSS  Suggested Specs
VSS Parts List

Submersible Sewage Pumps
Bulletin 229H

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Motors are fully submersible

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Pumps are non-clog type

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Close-coupled design for perfect alignment

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Indoor and outdoor installations

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Easy installation and removal

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For sewage, effluent and industrial waste water

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Control systems available

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Receiving tanks available

PUMP FEATURES:
The cast iron pump casing has a smooth waterway to insure maximum efficiency when handling sewage. Cast iron legs elevate the pump to permit flow into the impeller. Rabbeted construction insures complete alignment of the rotating element. The cast iron impeller is of non-clog design for handling water containing solids, and is balanced prior to assembly. The vertical discharge flange and gasket permit easy installation of plain-end discharge pipe.

MOTOR FEATURES:
Motors are available for 1750, 1150 and 870 RPM operation with both single phase and three phase windings. All motors are fully submersible and have pre-lubricated ball bearings, stainless steel shaft and fasteners.

Special motors with U.L. listing for Class 1, Group D explosion-proof service can be furnished, if required.

Motors are rated for continuous duty submerged. Motor housing and bottom motor bracket are cast iron. Double seals provide protection for the electrical parts. If the outer seal fails, the inner seal protects the motor while water enters the oil-filled seal chamber. Motors are furnished with 25-ft. of power cable and ground wire.

The standard motors are rated for operation in 40°C (104°F) water, but can be modified for higher ambient temperatures.

Motors can be furnished with moisture detection electrodes for the seal chamber and thermal detectors for the windings, if required.

MODIFICATIONS AND ACCESSORIES:
Pumps can be furnished with bronze impellers, longer cables and special mechanical seals. Accessory items include moisture detection relays, motor controls, high water alarms, steel covers and grouting frames for concrete pits and steel/cast iron/fiberglass sewage basins. VSS pumps can also be equipped with Quick-Disconnect fittings for simplified removal from pits (see Type VSS-QD Bulletin 233).

CONTROLS:
The recommended control arrangement for VSS pumps is the Submers-a-bulb Controller (see Type SBS Bulletin 263) which includes on-off mercury bulbs, high water alarm and automatic alternation for duplex units. Float switch controls are also available.

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SELECTION TABLE

UNIT NO.

GPM

DISCH HEAD (FEET)

MOTOR H.P.

DISCH. SIZE (INCHES)

1750 R.P.M

VSS-3P-1/2-4

VSS-3P-3/4-4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

50

20

25

27

37

44

48

58

1/2

3/4

1

2

3

5

3

3

4

4

4

4

4

VSS-3P-1/2-4

VSS-3P-3/4-4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

75

15

23

26

32

42

45

56

1/2

3/4

1

2

3

5

3

3

4

4

4

4

4

VSS-3P-1/2-4

VSS-3P-3/4-4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

100

13

19

21

30

37

40

55

1/2

3/4

1

2

3

5

3

3

4

4

4

4

4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

125

17

27

33

37

53

1

2

3

5

4

4

4

4

4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

VSS-4C-7½-4

150

15

25

28

35

52

62

1

2

3

5

4

4

4

4

4

4

VSS-4A-1-4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

VSS-4C-7½-4

200

9

16

24

32

47

60

1

2

3

5

4

4

4

4

4

4

VSS-4A-1½-4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

VSS-4A-7½-4

VSS-4C-10-4

VSS-4C-15-4

250

8

16

25

44

50

70

86


2

3

5

10

15

4

4

4

4

4

4

4

VSS-4A-2-4

VSS-4A-3-4

VSS-4A-5-4

VSS-4A-7½-4

VSS-4C-10-4

VSS-4C-15-4

300

9

20

35

49

68

83

2

3

5

10

15

4

4

4

4

4

4

VSS-4A-3-4

VSS-4A-5-4

VSS-4C-7½-4

VSS-4C-10-4

VSS-4C-15-4

350

16

30

48

65

80

3

5

10

15

4

4

4

4

4

VSS-4C-3-4

VSS-4C-5-4

VSS-4C-7½-4

VSS-4C-10-4

VSS-4C-15-4

400

15

29

45

61

75

3

5

10

15

4

4

4

4

4

VSS-4C-5-4

VSS-4C-7½-4

VSS-4C-10-4

VSS-4C-15-4

VSS-4C-20-4

VSS-4E-25-4

VSS-4E-30-4

VSS-4E-40-4

500

23

38

55

70

77

88

102

120

5

10

15

20

25

30

40

4

4

4

4

4

4

4

4

VSS-5C-5-4

VSS-5C-7½-4

VSS-5C-10-4

VSS-5C-15-4

VSS-5C-20-4

VSS-5E-25-4

VSS-5E-30-4

VSS-5E-40-4

600

17

30

50

64

72

82

100

115

5

10

15

20

25

30

40

5

5

5

5

5

5

5

5

VSS-6E-15-4

VSS-6E-20-4

VSS-6E-25-4

VSS-6E-30-4

VSS-6E-40-4

800

43

60

68

88

110

15

20

25

30

40

6

6

6

6

6

VSS-6H-15-4

VSS-6H-20-4

VSS-6H-25-4

VSS-6H-30-4

VSS-6H-40-4

1000

40

50

62

78

100

15

20

25

30

40

6

6

6

6

6

VSS-6H-20-4

VSS-6H-25-4

VSS-6H-30-4

VSS-6H-40-4

1200

42

55

72

90

20

25

30

40

6

6

6

6

VSS-6H-20-4

VSS-6H-25-4

VSS-6H-30-4

VSS-6H-40-4

1400

30

42

60

80

20

25

30

40

6

6

6

6

VSS-6H-30-4

VSS-6H-40-4

1600

48

72

30

40

6

6

UNIT NO.

GPM

DISCH HEAD (FEET)

MOTOR H.P.

DISCH. SIZE (INCHES)

1150 R.P.M

VSS-4A-3/4-6

VSS-4A-1-6

VSS-4A-1½-6

VSS-4C-3-6

VSS-4E-5-6

VSS-4E-7½-6

50

23

28

31

36

48

61

3/4

1

3

5

4

4

4

4

4

4

VSS-4A-3/4-6

VSS-4A-1-6

VSS-4A-1½-6

VSS-4C-3-6

VSS-4E-5-6

VSS-4E-7½-6

75

19

23

29

35

46

59

3/4
1

3

5

4

4

4

4

4

4

VSS-4A-3/4-6

VSS-4A-1-6

VSS-4A-1½-6

VSS-4C-3-6

VSS-4E-5-6

VSS-4E-7½-6

100

15

20

27

33

44

58

3/4

1

3

5

4

4

4

4

4

4

VSS-4A-1-6

VSS-4A-1½-6

VSS-4C-3-6

VSS-4E-5-6

VSS-4E-7½-6

125

18

25

31

42

57

1

3

5

4

4

4

4

4

VSS-4A-1-6

VSS-4A-1½-6

VSS-4A-2-6

VSS-4C-3-6

VSS-4E-5-6

VSS-4E-7½-6

150

13

21

24

30

40

56

1

2

3

5

4

4

4

4

4

4

VSS-4A-1½-6

VSS-4A-2-6

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

200

16

22

28

38

54

2

3

5

4

4

4

4

4

VSS-4A-1½-6

VSS-4C-2-6

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

VSS-4E-10-6

250

14

19

26

35

50

58


2

3

5

10

4

4

4

4

4

4

VSS-4C-2-6

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

VSS-4E-10-6

VSS-4E-15-6

300

15

23

31

47

54

59

2

3

5

10

15

4

4

4

4

4

4

VSS-4C-2-6

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

VSS-4E-10-6

VSS-4E-15-6

350

13

21

28

42

50

58

2

3

5

10

15

4

4

4

4

4

4

VSS-4C-2-6

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

VSS-4E-10-6

VSS-4E-15-6

400

12

20

24

38

44

57

2

3

5

10

15

4

4

4

4

4

4

VSS-4C-3-6

VSS-4C-5-6

VSS-4E-7½-6

VSS-4E-10-6

VSS-4E-15-6

500

15

23

31

42

54

3

5

10

15

4

4

4

4

4

VSS-5E-5-6

VSS-5E-7½-6

VSS-5E-10-6

VSS-5E-15-6

600

16

29

40

50

5

10

15

5

5

5

5

VSS-6H-5-6

VSS-6H-7½-6

VSS-6H-10-6

VSS-6H-15-6

800

13

25

36

47

5

10

15

6

6

6

6

VSS-6H-7½-6

VSS-6H-10-6

VSS-6H-15-6

1000

17

29

42

10

15

6

6

6

VSS-6H-10-6

VSS-6H-15-6

1200

23

35

10

15

6

6

VSS-6H-15-6

1400

28

15

6

DATA

 

PUMP FRAME

A

B

C

D

F

G

VSS-2P

11

7-5/8

14-3/4

2

7-5/8

-

VSS-3P

11

7-5/8

14-3/4

3

15

-

VSS-3A

13-1/4

9-3/4

20-1/2

3

12-3/4

10-1/2

VSS-4A

13-1/4

9-3/4

20-1/2

4

12-7/8

10-3/8

VSS-4C

16-3/4

12-3/4

24-3/4

4

15-3/8

12-7/8

VSS-5C

16-3/4

12-3/4

25-3/8

5

15-3/8

12-7/8

VSS-6C

16-3/4

12-3/4

25-3/8

6

15-1/2

12-7/8

VSS-4E

17-1/8

12-3/4

25-1/2

4

15-3/8

12-7/8

VSS-5E

17-1/8

12-3/4

25-1/2

5

15-3/8

12-7/8

VSS-6E

17-1/8

12-3/4

25-1/2

6

15-1/2

12-7/8

VSS-6H

22

13

29

6

17-1/4

14-1/2

 

MOTOR FRAME

PUMP FRAME

1750 RPM HP

1150 RPM HP

E

P

VSS-2P,3P

1/2-3/4

-

19

56TY

VSS-3A,4A

1 - 5

-

30

56TY

ALL OTHERS

1 - 5

-

35

140TY

VSS-3A,4A

1 - 3

3/4 - 2

34

140TY