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LKN57 Iwaki/Walchem Motor-Driven Metering Pump


Our Price: Starting at $2,599.00

Product Options

Select Liquid End materials:
Select Motor:
Iwaki Pump
LK Series
Item Number: LKN57x-xx

The LK series netering pump is the largest in the high performance line of pumps from Walchem. The LK is a motor-driven, mechanically actuated diaphragm metering pump with a maximum capacity of 114 GPH and a maximum pressure of 225 PSI. The heart of the LK is a compact and very reliable dual-cam system drive and worm gear reducer. Roller bearings and oil bath lubrication ensure outstanding durability and wear resistance in continuous operation. The LK series is ideal for chemical feed applications in awide range of fields, including water treatment, chemical process, agriculture, mining and paper.

Stroke Adjustment
Accurate and reliable stroke setting is accomplished with a micrometer dial of the spring back stroke adjustment mechanism. This lockable mechanism is adjustable from 10 to 100%.


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.

Motors
All of the standard models employ totally enclosed fan-cooled motors which are vertically mounted to save space. A variety of motor options are available, including explosion- proof, and DC variable speed motors for external control by a 4-20 mA input signal.

Liquid End materials of Construction
Liquid End Code
Pump Head & Fittings
Diaphragm
Valve Balls
Valve Seat
Valve Seals
Gasket
Connection
VC
PVC
PTFE Bonded to EPDM
CE
FKM
FKM
PTFE
NPTM
VH
PVC
HC
PVC
EPDM
VS
PVC
HC/SS
304 SS
EPDM
TC
PVDF
CE
FKM
FKM
S6
316 SS
HC
316 SS
-----
Legend
CE Alumina Ceramic PE Polyethylene SS 316 Stainless Steel
EPDM Ethylene Propylene Diene Monomer PTFE Polytetrafluoroethylene PCTFE Polychlorotrifluoroethylene
FKM Fluoroelastomer PVC Polyvinylchloride(translucent) HC Hastelloy C276
GFRPP Glass Fiber Reinforced Polypropylene PVDF Polyvinylidenefluoride

Models
Model
Max Output
Max Pressure
OD Tubing Size
Module
LKN32x-x
9.5 GPH
150 PSI
1/2"
Standard
LKN45x-x
15.9 GPH
150 PSI
1/2"
Standard
LKN47x-x
31.8 GPH
120 PSI
1/2"
Standard
LKN55x-x
53.4 GPH
75 PSI
1"
Standard
LKN57x-x
114.3 GPH
45 PSI
1"
Y Module
Specification
Model Number
LK Series
Max Flow
114 GPH
Max Pressure
225 PSI
Strokes per Minute
58 / 116
Turndown Ratio
10:1*
Stroke Length Adjustment
10-100%
IP Rating
IP 65
Multi-Function Valve Option
N/A
Degassing Valve Option
N/A
PosiFlow Option
N/A
Pulse Input
N/A
Stop Input
N/A

* Standard trundown ratio of the LK is 10:1. With the addition of the DC motor option, the trundown ratio increases to 100:1 and the control capability expands to include a 4-20 mA input control signal.

Accessories

L5xx-PK Iwaki / Walchem Chemical Metering Pump Parts Kit
Our Price: $282.00
L5xx-PK Iwaki / Walchem Chemical Metering Pump Parts Kit
LK series; Pump spare parts kit, select for specific liquid ends
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