Hydraulic power units

Our range of products extends from compact units to units with a 40,000 litre tank volume and 250 kW. Special units with electric control cabinets, servo pump drives and explosion protection as well as pump sets complete the portfolio. Convenient training units for basic and advanced training are also available.

Our sales and engineering professionals work with you on the perfect design and implementation. You will receive imaging “as built” 3D drawings, precise documentation including all manuals, test reports, assembly drawings and technical data sheets. On-site commissioning is carried out on schedule, including extensive training for the operating personnel. Even after your system has been delivered, our specialists ensure long-term customer support.

Regardless of the industry, we adapt to your needs and specifications, whether metallurgy, paper industry, plastics technology, special machine construction or energy technology – no matter which sector you operate in – we use our expert know-how to meet your demands and applications.

If you are looking for a competent, reliable and experienced supplier with your complex mechatronic requirements, then we are the ideal engineering and outsourcing partner.

We guarantee

• Precision and a maximum of efficiency and productivity

• Greatest possible security

• Robustness and therefore a long service life

• Maintenance-friendly technology.

Special features of our basic model include the compact structure of the drive unit and the surveillance and control components on the oil tank. We work with you to define the right additional fittings for the application in line with the area of use.

The valve control can be mounted either on a clearly visible front panel or directly on the power unit. It is preferably manufactured individually and designed as a space-saving, in-house developed control unit.

We take care of the route piping, accompany you with expert commissioning, hydraulic training courses relating to the unit and individual maintenance packages.

Ready-to-install compact power units are the right solution for many areas of application, both economically and technically. They offer maximum power within the smallest space in different performance classes. The small hydraulic modules are manufactured by us from as little as two litres of tank volume and are used, for example, in processing machines, machine tools and in automation technology.

The power unit forms a complete unit with the electrical control cabinet.  Either we manufacture with circuit diagrams provided by the customer or we take over the engineering of the circuit diagrams with EPLAN, a world-leading software solution for machine, plant and control cabinet construction. This offers the advantage that with installed remote IO systems, the power unit can be delivered to the customer fully tested hydraulically and electrically (signal check).

We deliver our units worldwide and are therefore also familiar with country-specific standards such as the US UL directive.

Our power units with servo pump drive sets are used especially for pressing machinery. With the highly dynamic and energy-efficient drive, we achieve maximum performance with minimal energy use. Since the drive can even be switched off during the shortest cycle breaks, the energy requirement is reduced by up to 80 percent compared to conventional hydraulic solutions! Another advantage of our variable speed drives (servo pump drives) are a considerable reduction in noise during operation and the size reduction of the entire hydraulic power unit. Another plus: the initial costs are amortized after just a few years.

To protect people, machines and systems, strict safety requirements must be observed in areas at risk of explosion (chemicals, flour, etc.).  On the one hand, the formation and ignition of explosive atmospheres must be prevented and, on the other hand, the effects of an explosion must be reduced to a harmless level.

We take on engineering and assembly in accordance with the ATEX directive applicable to your industry.

Normally, our servo pump sets are equipped with constant internal gear pumps and are mainly used in the industry of plastic and rubber injection machines or press automation. The highly dynamic servo pump drives developed by us enable maximum performance with minimal energy use. The advantages of servo pump drives are, in addition to the reduction in energy consumption by up to 80 percent, the considerable reduction in noise during operation and the significant reduction in life cycle costs.

We supply these pump sets with or without a inverter based on asynchronous motors for the 50 or 60 Hz network. Optionally, it can be equipped with variable displacement pumps but also with constant displacement pumps.

If the dynamic does not play a decisive role, pump sets with the new reluctance motors offer an inexpensive alternative to servo drives. Combined with an internal gear pump and an inverter, these pump sets are especially suitable for operation in harsh environments.

The control and maintenance of complex hydraulic systems is carried out in practice by mechanical engineers, electrical engineers or application engineers from other training professions. To solve the problems that arise in practice, special knowledge and experience are required.

Over the past few years, we have developed four mobile training systems for high-quality hydraulic training with a clear and unique practical focus:

• Basic training is possible with the “Hydraulic Trainer – Basic”, the “Hydraulic Trainer – Standard” or with the “Hydraulic Trainer – Advanced”

• The “Hydraulic Trainer – Advanced” and the “Hydraulic Trainer – Mobile” are suitable for expert training

The Hydraulic Trainer – Basic was developed to convey a basic understanding of hydraulics. Transparent components and the coloured operating medium provide an insight into how pressures are built up or movements are implemented on the consumer.

• Teaching the basics of physics

• Basic structure of hydraulic systems

• Safe handling of hydraulics

The functions of the most important hydraulic components can be conveyed in an understandable way with the Hydraulic Trainer – Standard. All possibilities of error analysis on hydraulic plants can be shown.

• The simulation of active loads is represented by a twin pump, driven by an asynchronous motor, which is relevant in practice and impressive.

• With ball valves on the rear without the use of any hydraulic hoses and with the resultant leakage-oil-free model, training sessions are possible in all seminar rooms

• The electrical load pressure measurement

• Flow sensor in the pressure/tank line is switchable

• Hand-operated via 4/3 way valve

• All measured and target values can be seen on a tablet, smartphone or PC

• The control cabinet is perfectly integrated into the tank design

• Transport rollers and all-round edge protection

Further information can be found in our flyer

The Hydraulic Trainer – Advanced brings a quantum leap in practice-oriented hydraulic training. The spectrum of the state-of-the-art training device ranges from basic lesson to expert training, such as the theory of closed-loop control or the frequency-controlled drives.

• Integrated, energy-efficient and quiet servo pump drive with servo inverter and servo drive for the operating modes constant flow rate and pressure control or for cylinder positioning in a closed-loop control

• With ball valves on the rear without the use of any hydraulic hoses and with the resultant leakage-oil-free model, training sessions are possible in all seminar rooms

• In the transparent, illuminated tank, an impressive presentation of the pump cavitation in the event of error is possible

• Indirect underbody lighting

• Transport rollers, all-round edge protection

• Stroke measuring system and proportional valve for training with advanced control technology

• Flow sensor and electronic load pressure measurement with digital display

• All measured and target values can be seen on a tablet, smartphone and PC

• Individual branding by affixing your logo on and in the illuminated tank

• Training documents / exercise examples for basic teaching up to expert training

The mobile hydraulic trainer was developed as an extension to the standard and advanced versions of our hydraulic trainers.

• Properties of an internal combustion engine in connection with mobile hydraulic systems are conveyed with the help of the built-in frequency inverter

• A built-in variable pump with pressure, load sensing and power regulator, a mobile control block with hand, joystick and tablet operation, a hydraulic motor and a cylinder enable practical training on the subjects of influencing driving speed and power transmission in mobile hydraulic systems