unitra inc

SP SERIES: 4" 50 Hz Submersible Pumps

Quality Features

  • Stainless Steel Construction Designed And Built For Years of Trouble-Free Operation
  • Stainless Steel Discharge Head with Built-in Check Valve
  • High-Efficiency Stainless Steel Impellers and Diffusers
  • Stainless Steel Suction Screen
  • Stainless Steel Shaft and Coupling
  • Stainless Steel NEMA-faced Mounting Bracket

SP Series Submersible Pumps are manufactured using high quality materials and are designed to deliver years of dependable service. SP Series are comprised of a large selection of pump models ranging from 1/2 HP thru 125 HP with a broad variety of capacities (5 GPM - 500 GPM).
Specifications and Selection Chart(s)
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
5
10
15
20
 25 30 35 40 45 50 60 70 80
0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7 3.0 3.6 4.2 4.8
Total Head in Meters
4" MODEL SP-05 | 50 Hz - 2675 RPM | 4 GPM
1/2 - 1 1/2 HP | 1 1/4" DISCHARGE
SP-0509
9
1/2
52
48
45
36
27
14
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
343
3.2
SP-0514
14
1/2
79
76
68
56
38
21
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
448
4.2
SP-0518
18
3/4
102
96
88
72
52
27
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
542
5.0
SP-0521
21
3/4
118
112
100
81
58
30
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
195
5.6
SP-0528
28
1
158
153
138
111
78
42
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
742
7.0
SP-0536
36
1 1/2
205
195
175
134
103
54
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
945
9.1
SP-0542
42
1 1/2
238
235
203
167
118
67
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
1071
10.4
*Specifications are subject to change without notice
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
15
20
25
30
 35 40 45 50 60 70 80 90 100
0.9 1.2 1.8 1.8 2.1 2.4 2.7 3.0 3.6 4.2 4.8 5.4 6.0
Total Head in Meters
4" MODEL SP-10 | 50 Hz - 2875 RPM | 8 GPM
1/2 - 3 HP | 1 1/4" DISCHARGE
SP-1009
9
1/2
53
48
45
42
38
33
26
n/a
n/a
n/a
n/a
n/a
n/a
n/a
343
3.1
SP-1013
13
3/4
77
68
64
58
54
46
38
n/a
n/a
n/a
n/a
n/a
n/a
n/a
427
4.0
SP-1018
18
1
104
94
89
83
74
64
51
n/a
n/a
n/a
n/a
n/a
n/a
n/a
532
4.9
SP-1023
23
1 1/2
136
124
118
108
98
84
69
n/a
n/a
n/a
n/a
n/a
n/a
n/a
637
6.0
SP-1028
28
2
166
154
145
134
122
105
86
n/a
n/a
n/a
n/a
n/a
n/a
n/a
742
6.8
SP-1033
33
2
195
183
173
159
143
124
102
n/a
n/a
n/a
n/a
n/a
n/a
n/a
847
7.6
SP-1040
40
3
235
218
205
190
170
147
119
n/a
n/a
n/a
n/a
n/a
n/a
n/a
1029
9.8
SP-1048 48 3 280 261 246 228 204 178 143 n/a n/a n/a n/a n/a n/a n/a 1197 11.1
*Specifications are subject to change without notice
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
25
30
35
40
 45 50 60 70 80 90 100 120 140
1.5 1.8 2.1 2.4 2.7 3.0 3.6 4.2 4.8 5.4 6.0 7.2 8.4
Total Head in Meters
4" MODEL SP-18 | 50 Hz - 2875 RPM | 15 GPM
1/2 - 5 HP | 1 1/4" DISCHARGE
SP-1806
6
1/2
38
33
32
31
30
28
26
22
14
n/a
n/a
n/a
n/a
n/a
280
2.5
SP-1809
9
3/4
57
49
47
46
44
41
38
30
19
n/a
n/a
n/a
n/a
n/a
343
3.1
SP-1812
12
1
77
66
64
62
58
56
52
43
28
n/a
n/a
n/a
n/a
n/a
406
2.7
SP-1815
15
1 1/2
97
85
83
80
77
74
69
57
40
n/a
n/a
n/a
n/a
n/a
469
4.4
SP-1818
18
1 1/2
116
101
97
94
90
85
80
67
45
n/a
n/a
n/a
n/a
n/a
532
4.9
SP-1822
22
2
143
127
120
115
110
105
97
80
54
n/a
n/a
n/a
n/a
n/a
616
5.7
SP-1825
25
2
160
139
134
128
124
117
110
90
60
n/a
n/a
n/a
n/a
n/a
679
6.2
SP-1829 29 3 185 160 155 149 143 136 127 103 70 n/a n/a n/a n/a n/a 763 7.1
SP-1833 33 3 211 183 177 172 164 155 145 118 80 n/a n/a n/a n/a n/a 847 7.8
SP-1839 39 4 250 219 213 204 195 185 172 138 94 n/a n/a n/a n/a n/a 993 9.5
SP-1845 45 4 288 250 243 233 224 213 199 162 110 n/a n/a n/a n/a n/a 1134 10.5
SP-1852* 52 5 1/2 334 291 282 272 261 247 230 184 123 n/a n/a n/a n/a n/a 1281 12.2
*Specifications are subject to change without notice
* It is recommended to use the next rating of horsepower available
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
30
35
40
45
 50 60 70 80 90 100 120 140 160
1.8 2.1 2.4 2.7 3.0 3.6 4.2 4.8 5.4 6.0 7.2 8.4 9.6
Total Head in Meters
4" MODEL SP-25 | 50 Hz - 2875 RPM | 20 GPM
1/2 - 5 HP | 1 1/2" DISCHARGE
SP-2504
4
1/2
25
23
22
21
20 1/2
20
19
17
15
13
10
n/a
n/a
n/a
238
2.3
SP-2506
6
3/4
38
34
33
32
31
30
28
26
24
20
16
n/a
n/a
n/a
280
2.8
SP-2508
8
1
52
45
44
43
42
41
39
36
33
28
23
n/a
n/a
n/a
322
3.0
SP-2512
12
1 1/2
77
68
67
66
64
63
60
56
50
44
37
n/a
n/a
n/a
406
3.6
SP-2517
17
2
108
96
94
93
90
88
84
77
70
63
54
n/a
n/a
n/a
511
4.6
SP-2521
21
3
134
118
115
113
111
108
103
96
87
77
67
n/a
n/a
n/a
595
5.5
SP-2525
25
3
157
138
136
133
129
127
121
113
103
90
78
n/a
n/a
n/a
676
6.2
SP-2533 33 4 209 184 180 176 172 168 159 149 137 123 105 n/a n/a n/a 847 7.6
SP-2538* 38 5 1/2 242 212 208 204 199 194 185 172 158 142 123 n/a n/a n/a 993 9.4
SP-2544* 44 5 1/2 279 247 242 237 231 226 215 202 187 166 143 n/a n/a n/a 1098 10.3
*Specifications are subject to change without notice
* It is recommended to use the next rating of horsepower available
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
40
45
50
60
 70 80 90 100 120 140 160 180 200
2.4 2.7 3.0 3.6 4.2 4.8 5.4 6.0 7.2 8.4 9.6 10.8 12
Total Head in Meters
4" MODEL SP-40 | 50 Hz - 2875 RPM | 32 GPM
1/2 - 7 1/2 HP | 2" DISCHARGE
SP-4005
5
1
30
28
27
26
26
25
24
23
22
21
19
15
12
n/a
407
4.3
SP-4007
7
1 1/2
41
38
37
36
36
35
35
34
34
32
27
24
17
n/a
491
5.3
SP-4010
10
2
58
54
53
52
51
49
47
47
46
43
38
32
25
n/a
617
6.8
SP-4012
12
3
71
65
64
63
61
60
58
57
55
52
47
40
31
n/a
701
7.8
SP-4015
15
3
87
80
79
78
76
74
72
70
68
64
57
49
38
n/a
827
9.2
SP-4018
18
4
104
98
96
95
93
90
88
86
84
79
72
60
47
n/a
953
10.5
SP-4021*
21
5 1/2
122
114
113
111
107
105
102
100
98
93
85
72
55
n/a
1079
12.4
SP-4025* 25 5 1/2 144 133 131 128 126 123 119 116 114 107 97 84 64 n/a 1247 15.5
SP-4030 30 7 1/2 174 163 160 157 154 149 145 142 139 131 120 103 79 n/a 1457 17.2
SP-4037 37 7 1/2 215 199 196 194 188 183 177 173 169 160 145 122 93 n/a 1751 26.2
*Specifications are subject to change without notice
* It is recommended to use the next rating of horsepower available
MODEL
S
T
A
G
E
S
HP
Quantity Delivered
L
E
N
G
T
H
mm
W
E
I
G
H
T
kg
l/min 0
m3/h 0
100
120
140
160
 180 200 250 300 350 400 450 500 550
6.0 7.2 8.4 9.6 10.8 12 15 18 21 24 27 30 33
Total Head in Meters
4" MODEL SP-70 | 50 Hz - 2875 RPM | 60 GPM
2 - 7 1/2 HP | 2" DISCHARGE
SP-7005
5
2
33
32
31
30
28
27
26
22
16
n/a
n/a
n/a
n/a
n/a
506
5.3
SP-7007
7
3
46
44
43
42
40
37
36
30
20
n/a
n/a
n/a
n/a
n/a
636
6.6
SP-7010
10
4
65
62
60
58
57
54
52
43
29
n/a
n/a
n/a
n/a
n/a
831
8.7
SP-7013*
13
5 1/2
84
80
78
77
74
72
67
56
38
n/a
n/a
n/a
n/a
n/a
1026
10.7
SP-7018
18
7 1/2
117
111
108
104
102
97
93
77
54
n/a
n/a
n/a
n/a
n/a
1351
14.1
SP-7025
25
10
163
154
149
145
141
135
129
107
75
n/a
n/a
n/a
n/a
n/a
1806
18.9
*Specifications are subject to change without notice
* It is recommended to use the next rating of horsepower available
Stainless Steel Parts / Materials of Construction