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Oktober 2020 - The European directive for spray suppression

The European directive for spray suppression

Need spray suppression? View our complete range of spray suppression products here.

 

Regulations and ordinances are there for a reason. They should ensure that products meet certain common requirements throughout the European Union. Their aim is to formulate a general policy within the European Union. The fact that Member States are free to transpose the directives into national law means that national systems and traditions can be taken into account.

The requirements for the general safety of motor vehicles, trailers and their systems, components and separate technical units are also laid down in a European directive.

The European directives for our industry are mainly aimed at increasing road safety. The use of spray suppression is also defined in this way. It describes, among other things, which vehicles must have spray suppression, what dimensions they must have and how they must be fitted.

It also states that since 9 April 2011, vehicles heavier than 7500 kg and trailers heavier than 3500 kg must be fitted with anti-spray mud flaps. Anti-spray mud flaps must ensure that at least 70% of spray water, dirt and stones are removed, thus improving the visibility of the driver and surrounding road users. This, of course, also has the aim of increasing road safety.

 

Anti-spray mud flaps

The anti-spray mud flaps of the well-known brands Jonesco and Roland are technically high-quality mud flaps and have a patented hair structure. By trapping spray water in this structure, more than 70% of the water is drained away and other road users suffer less from water mist around the truck. This helps to reduce unsafe situations.

Although these mud flaps meet all legal minimum requirements, our customers still experience the necessary inconveniences. A common complaint from the market is that the mud flaps become hard in cold weather and therefore break easily. Dirt and mud gets stuck in the hair structure, which is impossible to clean. The mud flaps become stiff and heavy, so that they detach from the mudguard and need to be replaced.

Anti-spray mud flap Roland                                                     
Anti spray mud flap Jonesco                                     

 

New system in our range

In order to meet market demand for a permanently flexible and clean anti-spray mud flap, we started looking for an alternative.

The new Intertruck mud flaps are made from recycled, high-quality rubber, making them hardwearing and resistant to all weather conditions. Whether snow, ice, sand or rain. The rubber composition allows the manufacturer to produce first-class mud flaps which are a bit thicker than the average mud flap, but still good enough for the haulier in terms of weight. They have a longer lifespan and increase safety for the driver and other road users.

The unique design of horizontal solid channels on the skirt body and vertical channels on the sides ensures that approximately 80% of water and dirt is drained away. The spray water falls onto the central zone and is discharged to the sides where it can precipitate. Thanks to the channels, the mud flaps are easy to clean compared to other types with a hair structure, which extends the life of the mud flaps.

It goes without saying that the mud flaps comply with Directive 91/226-EEC and European Regulation 109/2011 which approves the anti-spray systems.

  • Flexible rubber
  • Strong and impact-resistant
  • Hard but not fragile
  • Resistant to temperatures from -35 ºC to +70 ºC
  • Water absorption of approx. 80%
  • Ecological
  • Customisation possible for different formats
  • Possibility of printing logos and embossing

 

View our complete range of spray suppression products here >

Spray suppression regulations

We list the rules for fitting correct spray suppression for you:

 

  • The type approval mark must be clearly legible and indelible, even after assembly, on the spray suppression device.
  • The requirements in Directive 91/226/EEC and Regulation 109/2011 stipulate that the mud flap must absorb at least 70% of the water expelled by the tyres.

 

Dimensions and rules for vehicles fitted with mud flaps

  • The distance (c) between the outer edge of the tyre and the inner edge of the valance must not exceed 100 mm.
  • The mudguard must have a minimum width (q) of the tyre (b) or, in the case of twin tyres, cover the entire width (t) of two tyres.
  • The width of the mud flap must be equal to dimension (q) unless the mud flap is inside the mudguard. Then the mud flap must be at least as wide as the tread of the tyre or tyres. A tolerance of 10 mm applies to the inner part of the mudguard.

 

 

 

  • The distance between the highest and lowest points of the spray-suppression system must be at least 45 mm at all points behind a vertical line passing through the centre of the wheel. In front of that, this distance may gradually decrease.
  • In the case of single or multiple axles, the forward edge must extend forwards to the line O-Z, which must not be more than 45° from the horizontal. The rear edge must end not more than 100 mm above a horizontal line passing through the centre of the wheel.
  • In the case of multiple axles, the requirement for the angle of line O-Z only applies to the foremost axle and the requirement for the rear only applies to the rearmost axle.
  • In the case of single axles, the distance from the centre of the axle to the lower edge of the mudguard must not exceed the distances and radii given below:
    • Air suspension
      • Steered or following wheels, from the front edge to the rear edge (C-A): Rv ≤ 1.5 R
      • Non-steered wheels, from the front edge to the rear edge (C-A): Rv ≤ 1.25 R
    • Mechanical suspension
      • General rule: Rv ≤ 1.8 R
      • Vehicles > 7½ tonnes: Rv ≤ 1.5 R
  • In the case of multiple axles, the side shield may extend horizontally from the centre of the front wheel to the centre of the rear wheel. The other rules remain the same.
  • If, in the case of a multiple axle, the space between the wheels exceeds 250 mm, a mud flap is fitted between the wheels.
  • The maximum height from the lower edge of the mud flap to the ground must not exceed 200 mm. For the rear axle, this may be a maximum of 300 mm if the technical characteristics of the suspension so permit (roll on/off ferries).

 

Dimensions for vehicles without mudguards

  • The distance between the outer edge of the tyre and the lower edge of the chassis must be at least 100 mm.
  • The maximum height from the lower edge of the mud flap to the ground must not exceed 200 mm. For the rear axle, this should not exceed 300 mm if the technical characteristics of the suspension so permit.

 

 

 

  • Multiple axles where the distance between the tyres is less than 250 mm must be fitted with an additional mud flap.

Need spray suppression? View our complete range of spray suppression products here.

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Publicatiedatum: 
Thursday, October 15, 2020