Spec Sheet
LANCASTER
LANCASTER
CONVERTIBLE PUMP
Single Stage Convertible
Keystone Pump
Single Stage Convertible Keystone Pump
Convertible Pumps
v Lancaster Pump’s Single Stage Convertible Jet Pumps are designed for both shallow and deep well
applications, delivering up to 13 gallons per minute. Available in ½ and ¾ HP.
v Features:
Ø Square Flange Motor, with: stainless threaded shaft, permanently lubricated ball bearing on both
ends, automatic reset thermal overload protector, two compartment design, capacitor start,
115/230 dual voltage with voltage selector switch.
Ø Thermoplastic Impeller and Diffuser for increased hydraulic performance.
Ø Heavy Duty Cast Iron Construction for longer life.
Ø Built-in Drain Plug for easy winterizing.
Ø 1” FNPT Discharge.
Ø Pressure Switch Included.
Ø Injector Required (not included)
Deep Well Lifts to 90’
MODEL
NO.
INJ.
NO.
LIFT
IN
FEET
MINIMUM
CONTROL
VALVE PSI
DISCHARGE PSI
MAX
PSI
20
30
40
50
60
CAPACITY GPM
SKC50
½ HP
14620
30
23
6.0
4.7
3.2
1.5
56
40
25
4.5
3.5
2.2
51
50
28
3.0
2.2
1.2
46
14640
30
23
5.2
4.2
3.2
2.5
1.5
72
40
25
4.5
3.5
2.7
2.0
1.0
66
50
28
3.5
2.7
2.0
1.2
61
60
30
2.7
2.2
1.5
0.7
56
70
30
2.0
1.5
1.2
0.2
52
80
30
1.5
1.2
0.5
46
SKC75
¾ HP
14620
30
26
9.2
7.5
5.5
3.7
1.7
66
40
25
7.2
5.7
4.2
2.5
60
50
28
5.2
4.2
2.7
1.5
56
60
30
3.7
3.0
1.7
50
70
30
2.5
1.7
1.0
44
14640
30
23
6.7
5.7
4.7
3.5
2.5
83
40
25
5.5
4.7
3.7
2.7
1.7
76
50
28
4.5
3.7
3.0
2.2
1.2
71
60
30
4.0
3.2
2.5
1.7
1.0
67
70
30
3.2
2.5
1.7
1.2
60
80
30
2.2
1.7
1.5
0.7
55
90
32
2.0
1.5
1.2
0.2
52
Above chart based on tests conducted with injectors 5 feet below water level.
Minimum control valve setting required to maintain prime.
Single Stage Convertible Keystone Pump
Shallow Well Lifts to 25’
MODEL
NO.
INJ
NO.
LIFT
IN
FEET
DISCHARGE PSI
MAX
PSI
20
30
40
50
60
70
80
CAPACITY GPM
SKC50
HP
14620
0
13.5
13.2
11.0
7.5
4.5
1.5
76
5
12.0
11.7
9.7
6.2
3.2
0.5
72
10
10.7
10.5
9.0
5.5
2.5
70
15
9.2
9.2
8.2
5.0
2.0
68
20
7.5
7.5
7.5
4.7
1.5
65
25
4.7
4.7
4.7
3.7
0.5
62
14640
0
7.5
7.2
7.0
5.7
4.2
3.0
1.7
96
5
6.2
6.2
6.2
5.2
4.0
2.5
1.5
92
10
5.5
5.5
5.5
4.7
3.7
2.2
1.0
89
15
4.7
4.7
4.7
4.2
3.5
2.0
0.7
86
20
4.0
4.0
3.7
3.7
3.2
1.7
0.5
84
25
2.5
2.5
2.5
2.5
2.5
1.2
81
SKC75
HP
14620
0
13.5
13.2
13.0
11.7
8.2
5.0
2.2
88
5
12.0
11.7
11.5
10.5
7.0
4.0
1.0
85
10
10.7
10.7
10.5
9.7
6.5
3.5
0.5
83
15
9.2
9.2
9.2
9.0
6.0
3.2
80
20
7.5
7.5
7.5
7.5
5.5
2.5
78
25
4.7
4.7
4.7
4.5
4.2
1.2
74
14640
0
7.5
7.2
7.2
7.0
5.7
4.5
3.2
105
5
6.5
6.2
6.2
6.0
5.2
4.2
3.0
103
10
5.5
5.5
5.5
5.2
5.0
4.2
2.5
100
15
4.7
4.7
4.7
4.5
4.2
3.7
2.2
96
20
4.0
4.0
3.7
3.7
3.5
3.2
2.0
93
25
2.5
2.5
2.5
2.5
2.5
2.5
1.5
90
Pipe Connections: Suction 1”, Discharge 1”
Lancaster Pump’s Single Stage
Convertible Jet Pumps are designed
for both shallow and deep well
applications, delivering up to 13
gallons per minute. Available in
½ and ¾ HP.
FEATURES
• Square Flange Motor, with:
stainless threaded shaft,
permanently lubricated
ball bearing on both ends,
automatic reset thermal
overload protector, two-
compartment design,
capacitor start, 115/230 dual
voltage with voltage selector
switch.
• Thermoplastic Impeller
and Diffuser for increased
hydraulic performance.
• Heavy-Duty Cast Iron
Construction for longer life.
• Built-in Drain Plug for easy
winterizing.
• 1” FNPT Discharge.
• Pressure Switch Included.
• Injector Required
(not included).
SHALLOW WELL LIFTS TO 25’
DEEP WELL LIFTS TO 90’

