November 2006
FLUX conveys AdBlue®

New guidelines require new solutions. The pollutant guideline EURO 4 for commercial vehicles has been valid since 2005. In order to comply with the guidelines, diesel driven busses and trucks must have the urea AdBlue® system installed. Regarding the filling of the tanks the design of the conveying / pumping system has to ensure that the AdBlue® is not contaminated and does not get into contact with non-ferrous metals. As leading manufacturer of barrel pumps FLUX-GERÄTE GMBH provides pump and conveying systems that are the perfect solution for handling AdBlue®.

The pollutant guideline EURO 4 has been valid since 2005, with the guideline EURO 5 there will be even stricter criteria from 1st October 2008. But even due to EURO 4 it has become necessary to establish new technologies for diesel driven commercial vehicles. A solution that became widely accepted is the SCR exhaust gas treatment. SCR stands for Selective Catalytic Reduction. The so called SCR process is the after motor transformation of dangerous nitric oxides to harmless nitrogen and steam. This happens in a catalytic converter that needs continuous supply of AdBlue® for this chemical cleaning process.

Warning: AdBlue® reacts to non-ferrous metal

In all phases of tanking and conveying with AdBlue® it has to be made sure that the liquid, a urea, is conveyed cleanly and does not get in touch with non-ferrous metals such as copper, zinc and their alloys. Non-ferrous metals would contaminate the urea and thus endanger the function of the catalytic converter. The contact of AdBlue® with stainless steels and plastics is no problem at all. FLUX has a wide range of pumps and conveying systems of stainless steel and polypropylene that offers an appropriate solution for every system.

For smaller barrels up to a size of 200 litres the JUNIORFLUX with a capacity of 230 watt is used. With its outside diameter of 25 mm the JUNIOFLUX can obtain a delivery rate of up to 20 litres per minute provided the pump is combined with a PVC hose and a hand tap which are optimally adapted to each other.

The pump set for AdBlue® in the IBC

For conveying AdBlue® out of IBC containers a special solution has been created with the pump set F 424 PP/S - 1200 AdBlue®. A motor with 450 watt serves as drive. Corresponding to each appliance either a PVC hose or the special hose Fluorline can be used. As hand taps can be used: a self-closing hand tap of the series ZVA or a hand tap of polypropylene. The fluid quantity always has to be controlled, no matter the appliance. Therefore, the approved FLUX liquid meter of polypropylene matches AdBlue® very well.

FLUX pumps as solution for fuelling stations

The specialists of FLUX, have proved and tested in practise, that our pumps are excellent for large quantities and high pressures. When the urea is to be conveyed from large underground tanks the pump system should be chosen with regard to the number of petrol pumps. If only one petrol pump has to be supplied, the container pumps of the type FLUX F 424 and FLUX F 430 in polypropylene or stainless steel are the first choice. These pumps are constructed in a way that the required delivery rate and delivery pressures can easily be handled. When choosing the drive the following models are recommended: Commutator motors and brushless motors in Ex version - with or without variable speed control. These pumps are available in immersion lengths of up to 3 meters, which is sufficient for underground tanks with one petrol pump in conventional cases. For the installation the pump is supplied with mounting and pressure flange.

If several fuelling stations have to be supplied, FLUX delivers centrifugal immersion pumps of PP for stationary installations. These strong pumps are constructed for a delivery volume of up to 40 m³ per hour and a delivery pressure up to maximal 4 bar. A three-phase motor is recommended - depending on specials demands these motors can also be frequency controlled. The maximum immersion length of these pumps is 4 meters.

For further information:

FLUX-GERÄTE GMBH, Talweg 12, D-75433 Maulbronn
phone: 0 70 43 / 101-0
Fax: 0 70 43 / 101-111
eMail: info@flux-pumpen.de
Internet: www.flux-pumpen.de