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Chemical Metering Pumps 

Standard Electronic Metering Pump

Series B Chemical Metering Pumps

LMI Series B Chemical Metering Pumps

Year after year of reliable performance.
An industry standard for over 20 years, the Series B Chemical Metering Pump is a rugged, reliable choice for the harshest environments.

Its 100% enclosed chemical resistant housing provides this unit with ultimate protection, making it ideal for corrosive chemical dosing.

With a variety of models and options available, you have full flexibility to control stroke length and frequency, pressure capacity, pulse / 4.20 mA inputs and more.


○ Rugged construction and time-tested design make the Series B pumps a consistent    performer
○ With rigid chemically-resistant housing and encapsulated electronics – this pump is designed    to last year after year.
○ Available with multiple options, the Series B pumps are able to accommodate a variety of    applications

Standard Features
○ Adjustable stroke frequency and the    flexibility of up to 1000:1 turndown ratio
○ Manually adjustable stroke length    provides accurate pump output    adjustment
○ NEMA 4X/IP65 enclosures for protection    against corrosive environments
○ Time-tested electronics for reliable,    repeatable performance
○ Totally encapsulated electronics for    protection against moisture and    corrosive conditions
○ Inputs for low level switch available on    certain models
○ Models with external pacing for flow    proportional applications
○ UL, CUL, NSF 50, NSF 61, NSF 372, CE    Certifications
Optional Features
○ Four function valve
○ AUTOPRIME™ liquid End
○ High viscosity liquid end
○ Low level float switch
○ Repair & preventive maintenance kits
○ Calibration columns


Output Codes with FastPrime™ Liquid End

Max Capacity:

BX1 – 1.6 GPH (6.1 l/h)
BX2 – 2.5 GPH (9.5 l/h)
BX3– 4.5 GPH (17.0 l/h)
BX4 – 7.0 GPH (26.5 l/h)

Max Pressure:

150 psi (10.3 Bar)
100 psi (6.9 Bar)
50 psi (3.4 Bar)
30 psi (2.07 Bar)


The rugged construction and superior reliability of the Series B pumps make them an ideal product for a variety of applications in harsh environments, such as:

○ Water Treatment
○ Waste Water Treatment 
○ Industrial Processing
○ Agriculture
○ Chemical Processing
○ Other – Contact your local representative


10633 County Road 26
Blair, NE 68008


Phone: (402) 571-1303
Fax: (402) 502-6662