LK-Series
The Iwaki LK Series metering pumps are motor-driven, mechanically-actuated diaphragm metering pumps. This larger Series can achieve outputs up to 856 GPH (3240 l/h) and maximum pressures of 220 PSI (1.5 MPa). The LK Series is ideal for large chemical feed applications in a wide range of fields, including water treatment, chemical process, agriculture, mining and paper.
Summary of Key Benefits
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High Performance & Versatile Design – The LK series has a discharge accuracy (repeatability) that is within ±2% FS. Reliability has been enhanced with the improvement in the linearity of the stroke and the discharge ratio of each stroke.
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Drive- The heart of the LK is the dual-cam drive with a built-in worm gear type speed reducer. This compact & rigid mechanism, provides maximum wear resistance in continuous operation over long periods of time.
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The LK-A, LK-B, and LK-C series pump are designed to be fit with IEC general-purpose, vertically mounted TEFC outdoor-use motors, providing different voltage and enclosure options, including VFD-ready and explosion-proof designs.
Model |
Capacity Note 1 |
Max. Pressure |
Stroke Speed |
Effective Diaphragm diameter mm |
Connection Note 2 |
Motor output HP (kW) |
IEC Motor 4 Mount Frame Size |
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60 Hz GPH (LPM) |
50 Hz GPH (LPM) |
PVC PSI (MPa) |
SS PSI (MPa) |
60 Hz spm |
50 Hz spm |
(NPT) Flange ANSI 150lb |
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LK-A55 |
52.3 (3.3) |
44.4 (2.8) |
145.0 (1.0) |
58 |
48 |
ø100 |
½” |
0.5 (0.4) |
71 M |
|
LK-A57 |
114.1 (7.2) |
95.1 (6.0) |
101.5 (0.7) |
116 |
96 |
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LK-A65 |
171.2 (10.8) |
142.6 (9.0) |
43.5 (0.3) |
58 |
48 |
ø138 |
1 ½” |
|||
LK-B65 |
171.2 (10.8) |
142.6 (9.0) |
72.5 (0.5) |
101.5 (0.7) |
58 |
48 |
ø138 |
1 ½” |
1.0 (0.75) |
80 M |
LK-B75 |
253.6 (16.0) |
210.8 (13.3) |
72.5 (0.5) |
ø150 |
2” |
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LK-C76 |
380.4 (24.0) |
317.0 (20.0) |
72.5 (0.5) |
86 |
72 |
ø150 |
2” |
2.0 (1.5) |
90 L |
|
LK-C86 |
634.0 (40.0) |
523.0 (33.0) |
43.5 (0.3) |
ø205 |
2 ½” |
|||||
LK-C87 |
855.9 (54.0) |
713.3 (45.0) |
116 |
96 |
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