);

S Series

S-Series Liquid Pumps - Pressures From 105 to 14,500 PSI

Oil or Oil/Water Service

Maximator Air Driven High Pressure S Series pumps are compact and lightweight and are designed for simple installation in both static and portable applications. Available in five pressure ratios, S pumps are ideal for applications demanding fast response times.

  • Maximator S series liquid pumps are single acting, single air drive head types.
  • Cast iron bodies, carbon steel plungers and polyurethane seals.
  • All S pumps are standard with side inlet only.
  • Maximum air drive pressure 145 psi.
  • Minimum air drive pressure 15 psi.
  • For air control option … add AC to catalog number.
PP8
s-series-model
CATALOG NUMBER
A
B
S15
6.63
3.69
S25, S35
6.06
3.00
S60, S100
7.81
4.06
S150
7.81
3.88

CATALOG
NUMBER

PRESSURE
RATIO

MAXIMUM OUTLET
PRESSURE
(PSI)

DISPL . PER CYCLE (IN.3)
CONNECTIONS
WEIGHT (LBS)
INLET
OUTLET
S15 1:17 2,465 1.73 3/4 1/2 20
S25 1:25 3,625 1.20 1/2 1/2 20
S35 1:39 5,655 0.77 1/2 1/2 20
S60 1:61 8,845 0.49 1/2 1/2 20
S100 1:108 14,500 0.27 1/2 1/2 20
S150 1:156 14,500 0.19 1/2 1/2 20
NOTE: Air drive inlet connection on all PPO pumps is 1/4″ FNPT.
All connections listed are FNPT unless otherwise noted.
Maximum allowable oil temperature is 140°F.
Air section temperature rating: 0°F to 140°F.

CATALOG
NUMBER

SAMPLE
AIR DRIVE PRESSURE
(PSI)

OUTLET PRESSURE (PSI) Above 35,000 psi for intermittent duty only
0
500
1000
1500
2000
3000
4000
5000
7500
10000
12500
S15
60
90
555
575
380
480
25
310
60
S25
60
90
400
410
330
370
175
305
205
80
S35
60
90
255
265
230
250
185
228
125
200
50
165
65
S60
60
90
162
168
153
163
138
156
120
147
90
137
35
108
71
25
S100
60
90
92
95
89
94
86
92
82
89
76
87
60
82
43
73
26
63
95
S150
60
90
62
65
61
64
60
63
59
62
56
61
53
60
47
57
42
53
20
42
27
12

FLOW RATE IN CUBIC INCHES PER MINUTE.

FLOW RATES SHOWN ARE FOR 1-10 CST FLUIDS

MAXIMUM AIR CONSUMPTION FOR S PUMPS: 33 SCFM @ 90 PSI (WITH 0 PSI OUTLET).

S Series Flow Chart

S15

S Series

S25

S25

S35

S35

S 60

S60

S100

S100

S150

S150