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Hydraulic tank

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The hydraulic tanks are a fundamental part for each control unit. In fact, they are not simple containers but protect the circuit from external bodies and impurities through the filters. They also allow the cooling of the system itself, also assisted by the radiator if the mass cooling is not sufficient.

We manufacture sheet metal tanks for third parties; for non-pressure uses. All our products are tested, cleaned and certified to ensure their durability and the absence of leaks during operation.

Our tanks are mainly used in hydraulic power packs, but are also used as fuel (diesel and petrol) and water tanks.

Design and dimensioning

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We offer a free support service for the design of new tanks. At the end of the development process, we provide the customer with all three-dimensional construction drawings and the various technical data sheets of the assembled products (for example filters, pressure gauges and caps)

Sizing a tank within a plumbing system is critical. To do this, it is important to know if the system works in continuous or occasional service, and to know the maximum flow rate of the pump. At this point, the tank capacity can be evaluated empirically by multiplying the flow rate 4 times in the case of continuous service, only 2 times in the case of service on request.

The materials

Depending on the field of use and requests, we can use the following materials: pickled, pre-galvanized sheet metal, stainless steel or aluminum alloys. Similarly, with the same variance of material, turned parts such as sleeves and threaded bushings are produced.

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All our materials are certified according to EN 10204 – 3.1 and we guarantee their traceability.

Manufacturing

The entire production process follows the ISO3834-3 standard of which the company is certified.

The machining begins with the laser cutting of the components. To improve cutting cleanliness and limit thermal alteration of the edge, we use nitrogen and not oxygen as the cutting gas. The limited thermal alteration has significant benefits during the subsequent welding and painting phase.

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Then we move on to the folding or calendering phase. Finally, the crimping of the edge in preparation for welding.

After the necessary checks according to the technical and welding specifications according to the ISO3834 standard, we proceed with the welding of the various parts. The techniques used are MIG-MAG (wire welding) or TIG.

The pre-painting test

Once the welding phase is completed, all the hydraulic tanks are checked:

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  • Dimensional
  • Aesthetic
  • Hold at 0.3 bar for 5 min.

Finally, cleaning is carried out to eliminate any residues of oils and shavings created in the previous processing phases.

Painting and other surface finishing processes

We offer different painting processes to adapt to specific requests. As a standard, we offer a cycle that includes sandblasting, washing, the cataphoresis process (anti-rust) and a coat of powder finishing with the color of your choice. As an alternative to powder, enamel painting can be used.

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For aluminum or stainless steel tanks we offer polishing or satin finishing treatments.

Assembly and final testing: the hydraulic unit

After painting, we can complete the product by pre-assembling the filters, caps, fittings, pressure gauges, level indicators and hydraulic pumps on behalf of the customer. So as to transform our tanks into real hydraulic power packs ready for installation.

At the end of the assembly, we are able to test the tank by verifying its functionality according to a check list shared with the customer and pack it according to specific packaging lists.

The certifications

Our non-pressurized tanks do not fall under the PED 2014/68 / EU regulation which is part of the machinery directive. However, all welds are certified according to the ISO3834-3 standard, while the materials according to the EN 10204 – 3.1 standard

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