Design and manufacture
of Hydraulic Power Units
Special hydraulic systems, mini hydraulic power units and standard solutions
Specialists in understanding requirements and developing the best solution
Fluid System designs and manufactures different types of hydraulic power units according to the final application and sector — from steelmaking to the marine and offshore sectors, from the energy industries (oil, gas and renewables) to industrial automation and plastics — as well as according to the operating environment (indoor / outdoor / harsh industrial conditions or environments with aggressive agents such as dust, corrosive substances and humidity) and dimensional, economic and fast-delivery requirements.
Thanks to a complete engineering approach and dedicated technical support, we are able to develop systems that reduce operating costs and improve production efficiency over time.
Analysis and Consultancy
We understand your specific requirements.
3D CAD Design
We design the optimum system.
Manufacturing and Testing
We manufacture and test the complete system.
Special Hydraulic Systems
Custom solutions for every sector
Fluid System designs and manufactures special hydraulic systems tailored to the application, sector and machine, combining its technical and manufacturing know-how with components from the best and most reliable brands on the market. The work and experience of our technical department, supported by the latest 3D CAD technologies, have enabled us to acquire specific knowledge and design expertise in virtually every operating context.
We manufacture special blocks designed and machined using CAD/CAM technology which, combined with the choice of materials and surface treatments, allows us to be the right partner in every sector. The experience and training we have developed across all certifications for compliance and safety enable us to provide customers with the right consultancy for development in international markets. Our solutions are also ready for global export, thanks to UL/CSA and EAC certifications and compliance with ATEX and PED standards.
TECHNICAL FEATURES
Special Hydraulic Power Units
Special layouts, enclosed and containerised systems.
Valve banks and special custom-designed blocks.
Power units with accumulators in accordance with PED and ASME directives for high-pressure applications.
UL/CSA and EAC certifications for international markets.
Explosion-proof executions in accordance with ATEX/IECEx standards for hazardous environments.
Fixed- and variable-flow hydraulic pumps, open-circuit and closed-circuit systems, hydrostatic units also for mobile applications, and systems with servo pumps and digitally controlled brushless motors.
APPLICATION SECTORS
- Presses and Moulding: hot and cold injection presses.
- Lifting and Handling Systems: cranes, lifts, forklifts and aerial platforms.
- CNC Machine Tools: spindle actuation, feed movements and hydraulic vices.
- Building and Construction: excavators, bulldozers and drilling equipment.
- Marine and Maritime Industry: actuation of winches, rudders and stabilisers.
- Clamping and Locking Systems.













Energy-saving and high-efficiency hydraulic systems
Brushless technology for energy saving
The growing need to reduce energy consumption, with the aim of achieving full environmental and economic sustainability, has led to the development of new energy-saving solutions which, in the hydraulic sector, have taken the form of motor-pump units driven by brushless motors combined with drives that regulate their rotational speed.
The advantages of the brushless system:
- Reduction in electricity consumption by up to 60%, depending on the duty cycle.
- Precise flow control according to actual requirements.
- Lower maintenance requirements compared with traditional systems.
- Significantly quieter operation (even <65 dB in compact models).
- Greater reliability and longer service life of the system.
The brushless motor is coupled with fixed-displacement pumps and a control inverter that regulates rotational speed, generating variable flow according to the actual requirements of the circuit.
How energy-saving technology works
- Intelligent sensors detect pressure demand.
- The digital inverter automatically adjusts speed.
- The variable-flow pump supplies only the energy required.
Guaranteed energy savings in all operating conditions.
Ideal applications for brushless power units
- Plastic injection presses with intermittent cycles.
- CNC machine tools with variable demand.
- Lifting systems with discontinuous use.
- Systems with long pressure-holding phases.
Do you need a custom Hydraulic Power Unit?
Mini hydraulic power units and standard modular systems
Compact, flexible solutions for rapid implementation and cost reduction
FMK Mini Power Units: small power units characterised by modular elements for small hydraulic drive applications, with tanks up to 25 L and maximum power up to 4 kW.
SCV Hydraulic Power Units: standard hydraulic power units designed for easy and rapid circuit construction with modular, configurable elements in accordance with ISO 03 and ISO 05, tanks up to 200 L, motors up to 15 kW and pumps up to 60 L/min. Designed for easy installation of heat exchangers, electric level sensors and other optional accessories.
TECHNICAL FEATURES
Standard / Modular Hydraulic Power Units
Electric motors (including DC motors) from 0.09 up to 150 kW.
Fixed- or variable-flow pumps up to 500 L/min.
Tanks from 1 up to 2,000 L (standard and custom-designed).
Special explosion-proof ATEX/IECEx executions.
UL/CSA and EAC certifications for international markets.





In short, Fluid System designs and develops straightforward systems that can be adapted to a wide range of applications, allowing significant cost containment and simplified maintenance. Our extensive, well-stocked warehouse also enables us to guarantee fast delivery times, minimising downtime.
Additional compact solutions: Bosch Rexroth digital hydraulic units
In addition to our in-house designed and manufactured power units, for applications requiring ultra-compact installation, rapid retrofit or plug&play commissioning, Fluid System also offers Bosch Rexroth CytroPac compact digital hydraulic units.
CytroPac integrates motor, pump, drive, sensors and Industry 4.0 connectivity in a single system, reducing footprint by up to 50% while ensuring high energy efficiency, advanced diagnostics and quiet operation.
Technical support and ongoing assistance
Our partnership with customers does not end with delivery. We provide a complete and responsive technical support service, with interventions throughout Italy and remote support. Our specialist team is available for scheduled maintenance, diagnostics, repairs and the supply of genuine spare parts, in order to maximise the efficiency and service life of your system.
Thanks to a comprehensive engineering approach and dedicated technical support, we are able to develop systems that reduce operating costs and improve production efficiency over time.
Do you need a special, standard or compact hydraulic power unit?
Request direct contact with our hydraulic power unit Specialists
With more than 40 years of experience — both in direct manufacturing and in technical distribution — we provide bespoke, efficient and high-performance solutions. We also provide dedicated after-sales technical support to ensure operational continuity and maximum reliability.
Contact us now for a free consultation: we will help you choose the best solution for your system, with short lead times and international certifications.
FAQ – Hydraulic Power Units
We design and manufacture special hydraulic power units, mini hydraulic power units and standard modular systems, adaptable to different industrial applications and operating environments, including harsh environments with aggressive agents.
Lead times range from 4–6 weeks for mini power units and standard units, while the timing for a bespoke system largely depends on how “special” the selected components are and on the complexity of the design, starting from around 12–14 weeks.
Our solutions are ready for international markets and, on request, compliant with ATEX/IECEx and PED/ASME standards, with UL/CSA and EAC certifications. This ensures regulatory compliance, safety and suitability for global export.
Through the use of servo pumps, brushless motors and energy-saving solutions, our hydraulic systems can reduce electricity consumption by up to 40%, lower maintenance costs and improve overall efficiency.
Yes. We provide both pre-sales and after-sales support, with specialised technical consultancy, scheduled and on-site maintenance, as well as the supply of genuine spare parts to extend the service life of the systems.