Skip to content

Product Summary

The Liquidynamics Double Diaphragm Pump for Diesel Exhaust Fluid (DEF) is an efficient and reliable solution for high fluid flow transfers in situations where electrical power is unavailable. With a robust design, this pump is capable of delivering a maximum flow rate of 1800 gallons per hour (GPH), making it ideal for demanding applications. Built with quality and durability in mind, it ensures consistent performance and longevity. Whether used in industrial, automotive, or agricultural settings, this pump provides a dependable means of transferring DEF efficiently. Made in the U.S.A., the Liquidynamics Double Diaphragm Pump is a trusted choice for professionals who require a powerful and portable fluid transfer solution.

What's Included

    (1) Pump

Features + Benefits

  • DEF-compatible polypropylene construction with Santoprene seals and diaphragm
  • 20 to 100 PSI operating pressure
  • Requires 10 to 40 CFM
  • 3/4in. NPTF inlet/outlet
  • 3/8in. NPTF air inlet fitting
  • 180°F maximum liquid temperature
  • 18-ft. dry lift capability
  • Meets ISO 22241 and 22242 requirements

Key Specs

AttributeSpecification

item#

21896

Brand

LiquiDynamics

Manufacturer's Warranty

1 year limited warranty

Ship Weight

22.0 LB

Max. Flow

1,800 GPH

Inlet Port

2 in
AttributeSpecification

Outlet Port

3/4 in

Max Fluid Temperature

180 °F

Max. Air Consumption

40 cfm

Product Weight

lb

Dimensions L x W x H (in.)

9.0 x 14.0 x 18.0 in

Warranty

Manufacturer's Warranty

1 year limited warranty