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D14MZ520: Precise Industrial Pump by Dosatron

  • Connection Size: 3/4" NPT
  • Percentage Range: 5 to 20%
  • Unit Weight: 8.8 lbs
  • Ounces Per Gallon Range: 6.400 to 25.60
  • Flow: 0.05 to 9 GPM (0.19 to 34 LPM)
  • Pressure: 7 to 57 PSI
  • Dimensions: 26 1/8" x 10 1/4"
  • Ratio Range: 1:20 to 1:5

Included Accessories:Mounting bracket, suction hose, weighted strainer, and quick start guide.

The D14MZ520 is engineered for applications that require higher concentrate injection rates while maintaining the accuracy and consistency Dosatron is known for. Powered solely by water flow, it delivers precise dosing from 5% to 20% (1:20 to 1:5 dilution ratios) without the need for electricity. Its water-driven dosing technology automatically adjusts to changing flow conditions, helping maintain a stable chemical concentration throughout the process. This results in better chemical utilization, improved process consistency, and dependable performance across a wide range of industrial applications.

Pressure loss
pressure loss - D14MZ520
Viscosity limits
viscosity limits - D14MZ520

To maximize dosing accuracy and equipment life, the D14MZ520 is best installed on a properly designed bypass system that allows for easy isolation and maintenance. Incorporating filtration upstream of the injector helps protect internal components from debris, while check valves and backflow prevention devices safeguard both the water supply and chemical concentrate. Positioning the concentrate tank near the injector and keeping the suction line as short as practical helps maintain consistent chemical draw and reliable operation. Dosatron also offers dedicated industrial plumbing kits and panel systems designed to simplify installation and optimize performance in demanding environments.

 

Every application is different. Flow rates, water quality, chemical compatibility, and installation requirements all impact the best injector configuration.

Contact a Dosatron expert today to determine the ideal setup for your application.

Find your maintenance kit in seconds — just check how long your pump has been in service.

 

Time in service

Recommended kit

Why

Buy Now

Under 6 months

Mini Maintenance Kit

Quick refresh of the wear parts that go first — keeps dosing accuracy on spec.

Click here

6 months – 2 years

Seal Kit

Replaces the seals and O-rings before leaks and dosing drift start.

Click here

Over 2 years

Rebuild Kit

A full internal overhaul — restores your pump to factory performance.

Click here

Over 5 years

Talk to our team

At this stage the motor piston typically needs replacing. We'll confirm the right solution for your unit.

Contact Us

Need a single replacement part instead of a full kit?

Contact our team with your model and application. We'll help you identify and source the exact component you need.

D14MZ520 Product Specifications

950 KB, PDF

D14MZ520 Schematics (SERIAL NUMBERS 18113022 AND UP)

9.5 MB, PDF

D14MZ520 Schematics (SERIAL NUMBERS 16290363 UP TO 18113021)

4.2 MB, PDF

D14MZ520 Schematics (SERIAL NUMBERS 13400000 UP TO 16290362)

4.7 MB, PDF

D14MZ520 Schematics (SERIAL NUMBERS UP TO 13400000)

3.7 MB, PDF

D14MZ520 Owner’s Manual

1.7 MB, PDF

D14MZ520 Quick Start Up Instructions

2.0 MB, PDF

D14MZ520 Seal Kit Instructions (SERIAL NUMBERS 16290363 AND UP)

1.5 MB, PDF

D14MZ520 Seal Kit Instructions (SERIAL NUMBERS 13400000 UP TO 16290362)

1.6 MB, PDF

D14MZ520 Seal Kit Instructions (SERIAL NUMBERS UP TO 13400000)

1.5 MB, PDF

D14MZ520 Piston Flange Kit

4.2 MB, PDF

D14MZ520 Industrial Plumbing Kit Specifications

104 KB, PDF

D14MZ520 Industrial Plumbing Kit Assembly Instructions

454 KB, PDF

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