LMI Excel AD91 AutoPrime Metering Pumps 0.002 to 0.21 GPH (0.01 to 0.8 LPH); 250 psi (17.2 bar)

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Weight: 12.00 LBS
Shipping: Calculated at Checkout
$1,893.00 - $2,033.00
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Up to the Challenge EXCEL AD Series Pump

Designed to meet your most challenging water treatment needs.

Designed specifically for commercial and industrial applications, the EXCEL® AD is a solenoid pump that gives you improved electro-magnetics to meet your specific flow and pressure requirements, up to 250 psi (17.2 Bar) with capacities between .002 and 2.0 GPH (.8 to 7.6 l/h). The EXCEL AD pump provides industry solutions for more versatile chemical injection with up to 1000:1 turn-down capacity to take control of your chemical feed application.

This line includes an advanced design fitting system for secure, leak-proof tubing or NPT connections. Every pump comes standard with FASTPRIME™ liquid ends. If pumping off-gassing liquids, select the (optional) AUTOPRIME™ liquid end. High-viscosity liquid ends (optional) are also available for pumping high viscosity liquids.

With an easy-to-read LCD user interface, external pacing, alarms and pulse/4-20 mA input and output capability – the EXCEL® AD pump has the power and flexibility you need to accurately perform in the harshest industrial or municipal environments.


  • Adjustable stroke frequency with the flexibility of up to 1000:1 turndown ratio
  • Universal power supply
  • Double-ball check valves for improved accuracy and reliability
  • FastPrime liquid ends allow you to efficiently prime the pump without depressurizing the discharge line
  • Digital and analog outputs provide convenient user control interface with remote systems
  • Easy-to-read LCD interface gives you a consistent clear view of content
  • A selection of options allows you to customize pump performance to your application

Standard Features:

  • Push button controls
  • LCD user interface
  • Durable and lockable clear cover
  • Theoretical flow rate display
  • NEMA 4X/IP-65 enclosure
  • Industrial grade IP-68 external signal/equipment interface
  • Selectable alarms (9 Series)
  • Backlit graphical display (9 Series)
  • Separate pulse/4-20 mA input and output connections (9 Series)
  • Internal/External mode indicated with a wired output (9 Series)
  • 3-year Warranty
  • UL, NSF 61, NSF 372, CE Certifications

Optional Features:

  • Four function valves
  • AUTOPRIME™ liquid End
  • High viscosity liquid end
  • Dual low-level float switch
  • Digi-Pulse flow monitor
  • Repair & preventive maintenance kits
  • Calibration columns



Output Codes with FastPrime™ Liquid End

Max Capacity: 

Max Pressure:

1 – 0.21 GPH (0.8l/h)

250 psi (17.2 Bar)

4 – 0.5 GPH (1.9 l/h)

250 psi (17.2 Bar)

5 – 1.0 GPH (3.8 l/h)

110 psi (7.6 Bar)

6 – 2.0 GPH (7.6 l/h)

50 psi (3.4 Bar)



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