HYDRAULIC COMPONENTS

LPHS / LPHD / RPHD / HSM / HPU Series

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COMPONENTS FOR TEST SYSTEMS

HYDRAULIC POWER UNIT (HPU)

HYDRAULIC SERVICE MANIFOLD (HSM)

MULTIPLE BHSM

MULTIPLE ACTUATORS

ACTUATORS (LPHD, LPHS, RPHD)

To help you accelerate your development process and get reliable test results, BIA provides a full

range of hydraulic components, from the series of high-performance hydraulic actuators to hydraulic

power units, including service manifolds. All these components can be controlled altogether with the

BMC800, BIA standard controller, through UTM, BIA universal control software. It allows you to build

cost-effective test systems adapted to your needs or to upgrade existing ones.

BIA HYDRAULIC ACTUATORS

The series of hydraulic actuators is designed for performance and durability test applications.

Several solutions are available: linear/rotary motion,

hydro-static/hydro-dynamic bearings depending on

your test needs. Based on BIA field-proven experi-

ence, these cylinders provide high performance

results for servo-control applications with low main-

tenance operation.

Special design for higher performance or propulsion

applications is also available to meet your specific

requirements.

• Fatigue and durability of chassis parts

• Transmission evaluation

• Steering sub-systems

• Seat and seat belt anchorage

• Roof crush and door intrusion

• Shock absorber evaluation

• Suspension sub-systems

• Vibration simulation

• Road simulators

• Multi-axial tablesEX

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BIA Hydraulic Actuators

LPHD SERIES

Applications

• Durability and fatigue test

• Dynamic performance test

• Multi-axial motion plateforms (hexapod... )

Technical Description

• Hydro-dynamic bearings to protect piston rod in high frequency

and small displacement applications

• Low friction sealing to avoid excessive wear on piston rod at low speed

• Double ended piston rod design

• Internal LVDT displacement sensor for closed loop control feedback

• Hydraulic cushions at each end of the stroke

• Long-life and low maintenance design.

Actuators Accessories

• Swivel head and base

• Fatigue rated load cell

• Servo-valves manifold

LPHS SERIES

Applications

• Vibration and road load simulation (high frequency and low amplitude)

• Tests that generate side load forces on the actuator

Technical Description

• Hydro-static bearings to protect piston rod against friction under lateral loading

• Larger diameter of piston rod to increase lateral stiffness

• Double ended piston rod design

• Internal LVDT displacement sensor for closed loop control feedback

• Hydraulic cushions at each end of the stroke

• Long-life and low maintenance design

Actuators Accessories

• Supporting frame for horizontal use or pedestal base for vertical use

• Fatigue rated load cell

• Servo-valves manifold

BIA Hydraulic Actuators

Model Designation

Linear Hydro-StaticLPHS

Linear Hydro-DynamicLPHD

Rotary Hydro-DynamicRPHD

1 2 Stroke / Angular Disp.

150

250

400

110

LPHX (mm) RPHD (°)

3

1

2

3

4 4

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1st / 2nd Servo-Valve 4

1 or 2 servo-valves with 2 or 3

stages from 4 to 1000 lpm

Static Force / Torque

5

15

25

50

75

100

150

250

600

1000

2500

6000

10000

250

500

1000

LPHX (kN) RPHD (Nm)

ACTUATORS REFERENCE RANGE

RPHD SERIES

Applications

• Torsional durability and fatigue test

• Torque generation for resistance test

• Rotary static/dynamic performance test

Technical Description

• High radial load capacity with minimal friction

• Hydrostatic thrust bearings

• 100 degrees of dynamic rotation and 110 degrees of static rotation

• A flange adapter to attach the test specimen

• Internal RVDT angular sensor for closed loop control feedback

• Hydraulic cushions at each end of the stroke

• Long-life and low maintenance design

Actuators Accessories

• Actuator mounting bracket

• Reaction torque cell with mounting bracket

• Servo-valves manifold

• Diaphragm flexures

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BIA Hydraulic Service Manifolds / Power Unit

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BHSM SERIES

Applications

BIA hydraulic service manifolds (BHSM) are used to control pressure and

flow distribution between hydraulic power unit and test stations.

Each BHSM integrates pressure regulation, energy storage in hydraulic

accumulators and oil filtration.

Technical Description

• OFF/LOW/HIGH pressure control modes between HPU and actuators

• 1 to 4 stations with individual OFF/LOW/HIGH pressure modes

• 1 to 4 ports for each station with optional quick connections

• 4 independent hydraulic lines per port: pressure, pilot (for servo-valves), return and drain

• Smooth pressure transition between two pressure modes

• Hydraulic accumulators on each line for smooth fluctuation and continuous supply

• Oil filtration on pressure and pilot lines

HPU SERIES

Applications

BIA standard hydraulic power units can supply from 20 lpm flow, up to 600 lpm. For higher needs,

several units can be associated to work in parallel, with management of each power unit start

according to the consumed flow.

Main Characteristics

• Stainless steel reservoir with 3-threshold oil level detectors and temperature switches

• Adjustable working pressure: up to 29 MPa (self-regulating pump)

• Asynchronous three-phase motor, mounted on anti-vibration studs

• An additional pump for cooling, filtration and flushing

• Filters on HP/LP circuits with electric detection of inner pressure

• Water/oil heat exchanging device ordered by thermostat

• External or autonomous control system system

• Noise reduction cover if required

Model Designation

BIA Hydraulic Service ManifoldBHSM

Accumulators Volume (l)

2

5

10

2

5

0,5

1

Pressure Return Pilot

Flow Rating (LPM)

200

400

980

Configurations

Nb of Station x Port

1 x 1

1 x 2

1 x 4

2 x 1

2 x 2

4 x 1

1

2

3 4

1

2

3 3

4 4 4

BHSM REFERENCE RANGE 000 0 00BHSM 00 000