LK-A55 | Iwaki MAD Metering Pumps - 52.3 GPH - 145 PSI

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Product info Show all specs
Description
Iwaki's LK-A55 mechanical mechanical metering pump is rated to 52.3 GPH and 145 PSI with configurable liquid ends
Key Specs
Pressure Max
145 psi
Feed Max
52.3 GPH
Configuration Model Codes
Base Model
Series
LK | LK Series
Output Capacity
A55 | 52.3 GPH @ 60Hz (168 LPH @50Hz) - 145 psi - 0.5 HP Frame - 1/30 gear
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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.

Features & Benefits
Summary of Key Benefits
  • 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.

  • 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.

  • 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.

Additional Notes

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

60 Hz
GPH (LPM)

50 Hz
GPH (LPM)

PVC
PSI (MPa)

SS
PSI (MPa)

60 Hz
spm

50 Hz
spm

(NPT)
Flange

ANSI 150lb

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

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”

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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