Design/Engineering & Manufacturing of DEF Reservoir Systems

Design/Engineering & Manufacturing of DEF Reservoir Systems
Design/Engineering & Manufacturing of DEF Reservoir Systems

Shaw Development® manufactures various configurations of Diesel Exhaust Fluid (DEF), also known as AdBlue® Reservoir Systems. DEF systems are used to supply Selective Catalytic Reduction (SCR) systems with a catalyst compound to break down harmful NOx emissions into nitrogen gas and water vapor. These systems are the preferred method for on-road and off-road diesel vehicles and equipment users to meet increasingly strict emissions standards. Shaw manufactures eight standard cross-link polyethylene (XLPE) reservoirs as well as designs custom sizes and shapes in XLPE and stainless steel as needed. Standard tank sizes range from 5 to 25 gallons, with custom stainless steel tank designs reaching up to 250 gallons.

The core of Shaw's DEF reservoir is the multifunction head unit. The multifunction head unit contains integrated level, temperature, and concentration sensors which can provide analog or digital outputs depending on the application requirements. The head includes a heating element that is powered by coolant and is capable of thawing DEF when external temperatures drop below 12°F. For special applications, additional electrical heating elements may be integrated into the reservoir system design.

Fittings, tank orientation, and kit accessories are customized to specific applications. Optional accessories include vented and filtered caps, debris guards, heated hoses, and remote fill adapters. Fill caps are blue and designed in accordance with ISO 22241.

AdBlue® Standard, for easy identification. All DEF reservoir system designs are thoroughly tested in Shaw’s state of the art test lab for functionality and meet the specific durability needs of the heavy-duty vehicle and equipment market. Shaw’s engineers have extensive experience in the development and manufacturing of innovative fluid handling solutions.

For additional information about our DEF reservoir systems, see the table below, or contact Shaw directly.

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DEF Reservior System Capabilties

Product Name
DEF - Diesel Exhaust Fluid/AdBlue Reservoir Systems
Solves Ignition Problems
Reduces Nitrogen Oxides (NOx) Emission Levels
Manufacturing Methods
Material Selection
Injection Molding
  • Standard
  • Custom
Multifunction Head Unit
  • Contains Integral Level and Temperature Sensor
  • Coolant Heater
  • Fittings for Coolant and Electrical Connections
  • Available in Various Lengths and Electrical Outputs
Remote Filler Interface
  • DEF Fill Cap
  • Adapter
Electrically Heated Hoses
  • Return, Suction, Pressure
  • Various Lengths and Fittings Available
Coolant Valve – 12VDC or 24VDC
Mounting Brackets and Debris Guards
Standard Reservoirs
  • 8 different cross-linked polyethylene (XLPE) shapes available in either landscape or portrait Orientation
  • No Tooling required
  • Molded in groves for strap mounting
  • Service drain port included
  • Various Fill options and connections
Custom Reservoirs
  • Custom Designs and Orientations
  • Volumes up to 3000 gallons (11,350L)
  • Unique shapes to fit the application
  • Custom fill ports and mounting options
Multifunction Head Unit
Simplifies design by integrating level and temperature sensors, DEF strainer, connections for electrical, suction throttle and coolant lines
DEF Fill Cap
Easily identifiable blue, 1/4 turn cap with 19mm ISO 22241 magnetic restrictor to prevent miss-fills
Stainless Steel
Cross-Link Polyethylene
Tank Size
Stainless Steel
  • 5 to 250 gallons
Cross-Link Polyethylene (XLPE)
  • 5 to 25 gallons
Operating Temperature
-40°F to 140°F
Durability – Life Cycle Testing
Additional Services
Design Assistance
System Analysis
Production Volume
Small Run
Large Run

Additional Information:

Industry Focus
Diesel Engine
On and Off Road Diesel Powered Vehicles
Heavy Duty Vehicles
Auxiliary Power Generation
Industry Standards
ISO 22241 for Adapters/Tank Interface
File Formats

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