Pumps and Motors Catalogue 2026 - Flipbook - Page 233
WELL AND BOREHOLE PUMPS
E
PENTAX 4S/A BOREHOLE CARTRIDGES
Submersible multistage centrifugal pumps for 4” wells. Check valve built into the delivery outlet. Pump flange for coupling with
motors are made according to NEMA standards. Maximum 35°C water temperature. Select required cartridge, note the Kw required
then choose a motor, 230v or 400v from page 231. If you require capacitor/overload protection please see pages 78, 79 & 230.
Features
Polycarbonate Impellers
Polycarbonate Diffusers
Wear Rings in Stainless Steel
Bronze Upper Bushing
320
300
25
280
260
38A
240
220
200
180
26A
160
Applications
4” Boreholes
Water Boosting
140
19A
120
100
13A
80
60
10A
H(m)
40
20
0
0
5
10
15
20
25
30
Q(l/min)
350
50
52A
300
40A
250
200
28A
150
20A
14A
50
10A
7A
H(m)
100
5A
0
0
10
20
30
40
50
MODEL
Kw
HP
OUTLET
LM/HM
H x W x L mm
Kg
CODE
4S 25/10A
0.37
0.5
1¼”
25/67
324 x 96 x ---
3.3
105-0400
4S 25/13A
0.37
0.5
1¼”
25/86
377 x 96 x ---
3.7
105-0405
4S 25/19A
0.55
0.75
1¼”
25/126
481 x 96 x ---
4.7
105-0410
4S 25/26A
0.75
1
1¼”
25/173
642 x 96 x ---
5.8
105-0415
4S 25/38A
1.1
1.5
1¼”
25/253
864 x 96 x ---
8.2
105-0420
4S 50/5A
0.37
0.5
1¼”
50/33
245 x 96 x ---
2.6
105-0425
4S 50/7A
0.37
0.5
1¼”
50/47
280 x 96 x ---
2.9
105-0430
4S 50/10A
0.55
0.75
1¼”
50/67
332 x 96 x ---
3.5
105-0435
4S 50/14A
0.75
1
1¼”
50/93
402 x 96 x ---
4.2
105-0440
4S 50/20A
1.1
1.5
1¼”
50/133
507 x 96 x ---
5.3
105-0445
4S 50/28A
1.5
2
1¼”
50/187
680 x 96 x ---
7.1
105-0450
4S 50/40A
2.2
3
1¼”
50/267
914 x 96 x ---
10.1
105-0455
4S 50/52A
3
4
1¼”
50/347
1120 x 96 x ---
12.2
105-0460
232
Q(l/min)