Series B Chemical Metering Pumps LMI

Series B Chemical Metering Pumps have been an industry standard for over 20 years. Designed for Municipal/ Industrial applications, the familiar yellow and black pumps have a rugged, totally enclosed, chemically resistant housing for protection in the harshest environments. Encapsulated electronics and a rigid housing and stroke bracket ensure years of precise, repeatable performance.


  • 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
  • Advanced control options for simplified system integration (pulse multiply/divide, 4-20 mA, remote on/off)
  • UL, CUL, NSF 50, NSF 61, CE Certifications


Control Codes:
1 – Dual Manual Control (speed and stroke length)
7 – Pulse Input / Dual Manual Control
9 – Pulse/Analog Input / Dual Manual Control

Output Codes with standard liquid end
Max Capacity:   Max Pressure:
BX1 – 1.4 GPH (5.3 l/h) 150 psi (10.3 Bar)
BX2 – 2.3 GPH (8.7 l/h) 100 psi (6.9 Bar)
BX3 – 4.0 GPH (15.1 l/h) 50 psi (3.4 Bar)
BX4 – 6.8 GPH (25.7 l/h) 30 psi (2.07 Bar)

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