Our products

Tank trailers

The DIJKSTRA® was reborn in 2011; after a small decade, the new construction of tank trailers and trailers has started again for the transport of liquid products. The trademark DIJKSTRA® stands for solid and reliable products which are now fully produced in Werkendam, Holland. The diversity of products such as chemical tank trailers, food tank trailers, but also (tipping) pressure / vacuum tank trailers with the required pump installations are part of the delivery program. Chemical tanktrailersChemicals tank trailers are used to transport liquid hazardous substances. For this transport to proceed safely these trailers are built according to the ADR regulations. We are specialists in this. We build your trailer with the latest technology and according to the latest ADR regulations. We deliver your trailer with ADR certificate and ensure that you can get safely on the road with a large amount of hazardous liquids. Your chemical trailer is designed and built entirely according to your wishes. For example, these trailers are available with insulation around the tank, heating systems, cleaning options and pump installations to get the liquids easily in or out of your trailer. You can also choose partition walls in the tank, so that you can take different liquids together. Food tanktrailers These trailers are used to transport liquid food products. Think of dairy products, glucose, vegetable oils, cocoa mass / butter and chocolate. Some products have to be transported cool, others need to be kept warm to enable proper transport. We have the knowledge to build the right trailer for the product you are transporting. After all, each product requires different transport conditions. These trailers are also available with insulation, heating, cooling and cleaning options. We can also mount a pump installation suitable for your product on the trailer. Pressure/vacuum tanktrailersPressure / vacuum tank trailers are mainly used in industrial cleaning. They are designed for a working pressure of -1 (vacuum) to 3 bar. This means that powerful waste can be sucked up by vacuuming the tank with a suitable pump installation (mounted on the trailer or on the tractor). This tank complies with chapter 6.10 of the ADR (pressure / vacuum tanks) and has L4AH / S4AH as tank code. In addition to liquids, you can also transport solids in this tank, namely ADR classes 3, 4.1, 5.1, 6.1, 6.2, 8 and 9. By tipping the tank on this trailer, you can easily dispose the sludge in the tank on a desired location.

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Vacuum installations

Van Spelden has been supplying pressure / vacuum installations since the very beginning, such as: Pressure / vacuum trucks Usually these installations are built on a rigid chassis. For hazardous substances, these are performed in ADR. Often they are carried out with a back cover for simple dumping of for example sludge. A high pressure pump is often also built up for spraying the tank and accessories. It is possible to deliver the structure according to the SIR guidelines. Vacuum / high pressure combis The basis for this is the vacuum truck. A large high-pressure pump has been built up for these installations. At low pressure (up to 200 bar) and a high flow rate, these are very suitable for cleaning sewers. But also high pressure (eg 1000 bar) for industrial applications is possible. For the water tank of these machines we have a unique tank-in-tank construction. The water tank is built around the vacuum tank. The big advantages of this are a low center of gravity, which makes the handling of the vehicle much better. It is also possible to draw the water tank full by means of vacuum. But also the stronger construction and the nicer smooth appearance of the tank play a part in this. Vacuum installations under tank trailers Under vacuum tank trailers it is possible to build vacuum installations that are driven hydraulically or with diesel engines. Often these pumps are smaller than the pumps that are built directly on the tractor, but an advantage is that the tractor is more easily interchangeable because only a hydraulic installation has to be built up. The advantage of the diesel engine version is that it can run without a tractor. Vacuum installations on smaller trailers These installations can also be mounted on trailers up to 3,500 kg. This makes it easier to reach smaller locations, but this can also be very useful for the small sewer work. Often these installations are equipped with a petrol or diesel engine. The vacuum tanks on these trailers are usually no larger than 2000 liters. Vacuum installations on deposit frames We have also built a vacuum installation on the sales frame several times. The advantage of this is that the truck can be used for various purposes. The pump is usually hydraulically driven. Fixed installations on a frame that can be moved with forklift or crane Fixed installations are also possible where the pump can be driven with a combustion engine or an electric motor. This can be useful for installations that are located in factory halls or outside on a site.

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High pressure equipment

As a supplier of Falch, Uraca and Woma, all three solid German brands, we can offer you a wide range of high-pressure water jet systems. This starts with a pressure washer to wash the car and stops, well, where exactly? Cleaning solutions for the removal of oils and fats with hot water, sewage cleaning by using pumps with a large flow rate, units for the so-called buttering of tanks and pipes as well as ultra high pressure blasting of ships, demolition of concrete, cleaning tanks with very high contamination or removing road markings. Aviaton propulsion methods include diesel, electrics or hydraulics. Make your challenge our challenge, we will happily think along with you! Take a look at our rental page to test a pressure washer!

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Pump sets

We provide solutions for pumping waste, chemicals, oils and fats as well as foods. Our RTP lobe pump is a high-grade completely stainless steel pump which is excellently suited for the pumping of products with a high viscosity, and chemicals. But self-priming pumps for pumping waste are also available. For each tank trailer, we have a suitable solution. For stationary setups with an electrical motor too there are plenty of opportunities. Ask us anything, we’ll happily think along with you! Brochure RTP pump: http://wft.salesmrc.com/pdfs/RTP_Final_PRESS.pdf

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Founding year

1991

Founding year

Vehicles built

>200

Vehicles built

Parts in stock

>6000

Parts in stock

Loyal customers

>250

Loyal customers

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