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LSF-Series Liquid Pumps - Pressures From 165 to 23,200 PSI

LSF series air driven high pressure liquid pumps are rugged and designed for chemical service applications. These pumps are available as single acting pumps with single or double air drive head and distance piece which provides a separation between the liquid and air drive sections.

  • Maximator LSF pumps have stainless steel bodies and plungers. 
  • LSF pumps have PTFE seals with Viton2 O-rings.
  • Pumps come standard with a bottom inlet. For side inlet add – S.
  • Maximum air drive pressure 145 psi.
  • Minimum air drive pressure 15 psi.
  • For air control option ... add ACP to LSF catalog number.
 

                     LSF Liquid Pumps               LSF-2 Pumps

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Technical Data

CATALOG
NUMBER

PRESSURE
RATIO

MAXIMUM OUTLET
PRESSURE
(PSI)

DISPL . PER CYCLE (IN.3)
CONNECTIONS
WEIGHT (LBS)
INLET
OUTLET
LSF10 1:11 1,595 5.49 1 1/2 44
LSF15 1:16 2,320 3.78 1 1/2 44
LSF25 1:28 4,060 2.15 1/2 1/2 42
LSF35 1:40 5,800 1.49 1/2 1/2 42
LSF60 1:63 9,135 0.94 1/2 1/2 40
LSF100 1:113 15,225 0.54 1/2 1/2 40
LSF150 1:151 21,025 0.40 1/2 9/16–18 40
LSF250 1:265 23,200 0.23 1/2 9/16–18 40

CATALOG
NUMBER

PRESSURE
RATIO

MAXIMUM OUTLET
PRESSURE
(PSI)

DISPL . PER CYCLE (IN.3)
CONNECTIONS
WEIGHT (LBS)
INLET
OUTLET
LSF10-2 1:20 3,190 5.49 1 1/2 50
LSF15-2 1:30 4,640 3.78 1 1/2 50
LSF25-2 1:54 8,120 2.15 1/2 1/2 50
LSF35-2 1:78 11,600 1.49 1/2 1/2 50
LSF60-2 1:118 15,000 0.94 1/2 1/2 50
LSF100-2 1:200 23,200 0.54 1/2 9/16–18 50
NOTE: Air drive inlet connection on all LSF pumps is 1/2" FNPT.
Air pilot connection on all LSF pumps is 1/8" FNPT.
All connections are FNPT unless otherwise noted.
The 9/16 – 18 is a 1/4" O.D. tubing, high pressure coned and threaded connection.
Maximum allowable liquid temperature is 140°F.
Air section temperature rating: 0°F to 140°F.
Viton is a registered trademark of E.I. DuPont de Nemours & Co., Inc.

CATALOG
NUMBER

SAMPLE
AIR DRIVE PRESSURE
(PSI)

OUTLET PRESSURE (PSI)
0
500
1500
3000
5000
7500
10000
15000
23000
LSF10
60
90
120
1100
1125
1150
350
790
915
             
LSF15
60
90
120
775
790
800
540
650
705


280
           
LSF25
60
90
120
435
445
450
365
410
425
60
265
340


90
         
LSF35
60
90
120
300
305
310
270
290
300
150
240
270

95
180
         
LSF60
60
90
120
192
195
200
182
190
195
145
173
185
45
130
158

43
105


10
     
LSF100
60
90
120
108
110
113
105
108
110
97
105
107
78
95
103
37
78
92

47
73

5
48
   
LSF150
60
90
120
81
83
84
79
82
83
76
80
82
66
75
78
49
67
73
19
53
66

35
55


25
 
LSF250
60
90
120
46
47
48
45
46
47
44
45
47
42
44
46
37
43
45
26
40
43
20
36
41
2
26
34


20
LSF10-2
60
90
120
880
890
900
720
800
840

350
570
           
LSF15-2
60
90
120
615
625
630
550
575
600
200
410
500


225
         
LSF25-2
60
90
120
345
350
355
330
335
345
265
300
320
60
208
265

15
150
       
LSF35-2
60
90
120
240
242
245
230
232
235
210
225
230
115
190
210

115
170


95
     
LSF60-2
60
90
120
150
155
157
148
152
154
145
147
152
120
136
145
70
117
133
2
80
112

33
82


8
 
LSF100-2
60
90
120
86
87
89
84
86
88
82
84
86
77
82
84
72
78
82
53
70
77
30
61
72

36
57


13

FLOW RATE IN CUBIC INCHES PER MINUTE.
FLOW RATES SHOWN ARE FOR 1-10 CST FLUIDS.
MAXIMUM AIR CONSUMPTION FOR “LSF” PUMPS: 45 SCFM @ 90 PSI (WITH 0 PSI OUTLET)
MAXIMUM AIR CONSUMPTION FOR “LSF-2” PUMPS: 80 SCFM @ 90 PSI (WITH 0 PSI OUTLET).

 

                                     LSF Pump Diagram

Single Air Drive Head and Distance Piece

CATALOG NUMBER
A
AS
B
C
D
E
F
LSF10–LSF15
16.12
13.63
12.13
5.06
6.88
7.81
4.38
LSF25–LSF35
15.50
13.63
12.13
3.63
6.88
7.81
3.19
LSF60–LSF100
LSF150
16.00
14.06
12.25
3.44
6.88
7.81
3.81
LSF250
15.69
14.13
12.25
4.00
6.88
7.81
3.31
 

Double Air Drive Head and Distance Piece

CATALOG NUMBER
A
AS
B
C
D
E
F
LSF10-2–LSF15-2
20.06
17.56
16.13
5.06
10.81
11.75
4.38
LSF25-2–LSF35-2
19.44
17.56
16.13
3.63
10.81
11.75
3.19
LSF60-2
19.94
18.00
16.25
3.44
10.81
11.75
3.81
LSF100-2
19.94
18.00
16.25
3.44
10.81
11.75
3.81