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AdBlue Pump & Storage Guide

Posted 5th July 2021

What is AdBlue™?Adblue tank cap

AdBlue™ pumps and storage are required to dispense the AdBlue liquid into a vehicle.  AdBlue™ is not a diesel additive! It is a fluid injected into the exhaust system of diesel engines.

It’s used to reduce vehicle exhaust emissions below the environmental level required by many countries.

European Emission Standards have made it a legal requirement for vehicles and machinery using diesel engines to reduce their emissions to a certain level. In response to these new regulations, a new pollution control technology was introduced to be installed into a vehicle’s exhaust system.  Referred to as the Selective Catalytic Reduction (SCR) system which, in essence, reduces the level of harmful nitrogen oxides that are released into the air.

How does AdBlue work?

A major component in the SCR system is the use of Diesel Exhaust Fluid (DEF).  DEF is a synthetic, Aqueous Urea Solution (AUS32) comprising 32.5% urea and 67.5% deionised water. DEF is injected into the exhaust, where it vaporises and splits into ammonia and carbon dioxide.  In turn, the ammonia turns the nitrogen oxides into water and nitrogen, both of which are harmless.

AdBlue™ is the European trademark for Diesel Exhaust Fluid (DEF).  This is governed by the Verband der Automobilindustrie e.V. (The German Association of the Automotive Industry) who ensure that any fluid branded AdBlue™ meeting the strict quality standards of DIN 70070 and ISO 22241.

AdBlue™ Pumps & Storage.

AdBlue Pump Dispensing Kit

AdBlue™ is supplied in different sized containers for consumers and is available in bulk deliveries for higher volume users with special bulk AdBlue storage tanks.  Because of the corrosive nature of the fluid, AdBlue requires storing in plastic tanks and containers, not metal.  Pumps and fittings used with AdBlue must not have brass, aluminium or mild steel parts coming into contact with the corrosive fluid.  Plastic and stainless steel are the preferred materials.

Typically you can purchase AdBlue in 5L and 25L plastic bottles from service stations and forecourts. Bulk deliveries can be made in multiples of 200L drums or 1000L IBC (Intermediate Bulk Containers) tanks.  For the higher volume users, tanker deliveries can be made into special bunded AdBlue Tanks up to 15,000L capacity.

Usually, Bulk AdBlue Tanks are equipped, complete with self-contained dispensing equipment including an AdBlue specific pump, hose and nozzle.

AdBlue Pumps for Drums and IBCs

If you purchase drums or IBC’s, you will require an AdBlue pump with the correct connection adaptor for the container.  Pumps for drums are usually hand-operated, manual pumps for making small deliveries.  These are relatively inexpensive.  Supplied ready to use with a 2″ BSP thread usually found on the drum.  Some plastic drums and barrels will use other threaded caps, depending on the manufacturer. These are either a 56mm Trisure or 70mm Mauser thread. Adaptors are available for these threads to a standard 2″ BSP.

IBC Tanks are 1000L containers delivered full of AdBlue – Ready to use.  These will require a pump kit to allow the fluid to be dispensed into the vehicle tank.  To keep the AdBlue clean, the IBC is supplied with a quick-release suction hose coupling.  The 2 most common couplings are the SEC and Micromatic used by Green-Ox.

AdBlue Drum pumps

Multi voltage, 12v and 230v drum pump for AdBlue

Hand pump for AdBlue

AdBlue IBC Pumps

12v/24v IBC AdBlue pump kit

110v or 230v, 240v IBC AdBlue pump kit

Manual hand pump for AdBlue IBC

AdBlue Mobile & Portable Dispensing Tanks

Ideal for busy workshops and service centres. Also very useful for mobile plant operators and agriculture.  AdBlue trolleys and portable tanks complete with dispensing equipment are available to ensure your AdBlue is kept clean.  These solutions offer a simple answer to refilling vehicles, plant and machinery.

See our range of mobile AdBlue trolleys and portable tanks

How to Store and handle AdBlue

AdBlue should ideally be kept in the temperature range of 0°C to 30°C and kept out of direct sunlight.  AdBlue will freeze at approximately -11°C, but if this does happen, the fluid can be used if you can allow it to thaw out.  The liquid is non-flammable and can be kept inside a building.  Ideally, it should be stored in a bunded tank or a spill containment bund tray if using IBC’s or drums.

What to do if you put AdBlue in your diesel tank?

Do not start the vehicle or move it if that can be helped!  AdBlue solution is corrosive and heavier than diesel and will sink to the bottom of the diesel tank.  This allows it to enter the diesel fuel system quickly causing large amounts of damage in a short space of time.  The only way to rectify this is to drain the diesel tank completely and refill it with clean diesel.

If you require any further information or need some help, please feel free to contact us.


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