Self-Contained Electro-Hydraulic Systems
SELF-CONTAINED ELECTRO-HYDRAUICCONTROL SYSTEMSwww.paladonsystems.com
COMPANYFor over 30 years Paladon Systems has beensupplying valve actuators and control systems on aglobal basis.Since its inception in 1981, Paladon Systems hascontinuously developed its design, engineering,organisational, quality and management capabilities.Today Paladon Systems designs and manufacturesmany valve automation technologies that lead theindustry in terms of cost efficiency, operationalperformance and environmental responsibility.Paladon Systems’ vast experience with supporting theOil, Gas and Power industries with valve automationsolutions for the most critical applications in extremeoperating environments has resulted in productdesigns that offer unsurpassed quality and reliabilityacross all industries and applications.Holding ISO 9001 certification for over 20 years, todayPaladon Systems hold accreditation and approvalsfrom almost all major institutes, engineering companiesand end users.Now headquartered in Italy since the 2018reorganization, is also based in the UK at the historicalfacility, founded in 1981, and in Houston, UnitedStates, thanks to great cooperation with a US partner.With a comprehensive suite of valve automationsolutions backed by a dedicated team of field serviceengineers, Paladon Systems is Total Valve Control.www.paladonsystems.com
INTRODUCTIONOriginally developed for the offshore Oil & Gas Industry, Paladon Systems Self-ContainedElectro-Hydraulic Control Systems provide a rugged and reliable valve automation solution.Typically used in applications in which external pneumatic or hydraulic power sources areunavailable, unreliable or uneconomic, these fully customizable systems provide: The same simplicity and low cost installation as provided by electric actuatorsFail safe or fail last operationThe power, precision and compact size of hydraulic systemsIndustry leading control options and system diagnosticsAPPLICATIONSFully customizable systems are available for practically any application and environment;however, common ones include: Partial valve strokingOnshore and offshore ESD valvesWellhead choke valve positioningControl & globe valve positioningWater reservoir level systemsSuction and discharge pump metering stationsGas pipeline linebreak shutoff systemsBallast systems for FPSOsRefinery fire control systemsTanker loading/offloading facilitieswww.paladonsystems.com
SYSTEM OVERVIEWPaladon Systems Self-Contained Electro-Hydraulic Control Systems are integrally mountedto the actuator, and typically consist of the following basic system components: Non-Pressurized Hydraulic ReservoirElectric Pump/sHydraulic Accumulator/sElectro-Hydraulic Control SystemHydraulic Valve Actuator/sAccumulatorsHydraulic ReservoirHydraulic Spring-ReturnValve ActuatorElectric PumpElectro-Hydraulic Control Systemwww.paladonsystems.com
KEY FEATURES & OPTIONS On/off and modulating VALVE operation Partial valve stroke testing supported Compatible with biodegradable fluids Compact and rugged designs Low power and solar powered systems available Direct acting zero leakage solenoid valve for proportional control with accuracy and fastresponse Manifold construction to eliminate pipework and increase system reliability andruggedness Precise valve positioning capabilities using Paladon Systems smart hydraulic TVCPositioner Manual overrides Hydraulic accumulators to provide rapid valve operation and back-up valve control on lossof primary power supply source Systems flushed to NAS1638 Class 8 as standard, NAS1638 Class 6 available Full diagnostic capabilities and communication with all industry standard protocolswww.paladonsystems.com
PERFORMANCE DATA Electrical Power Sources 24VDC 115/220 VAC, 50/60 Hz, Single Phase 380/415 VAC, 50/60 Hz, Three Phase Hazardous Area Certification ATEX Zones 1 and 2 Hydraulic Pressure Output 210 to 350 Barg (3,045 to 5,076 psig) Ambient Operating Temperature -60 to 60 C (-76 to 140 F) Valve Actuator Output Scotch-yoke valve actuators up to 680,000 Nm (6,018,000 lb in) Linear piston valve actuators up to 289,134 N (65,000 lbf)DIAGNOSTICS Pump Running Operational & Standby Pump Fault Operational & Standby High Oil Pressure Low Oil Pressure Low Low Oil Pressure Low Oil Level High Oil Temperature Filter Conditionwww.paladonsystems.com
POSITIONING SYSTEMSThe TVC Positioner is designed specifically to provide precise positional control of hydraulicactuators with on-off or proportional solenoid valves. The TVC Positioner can acceptpositional feedback from a three wire potentiometer or a position transducer with a currentoutput. Key features include:Basic System Zone 1 / 2 Infrared communication interface using an Exia keypad Large graphics LCD with comprehensive status and data display Three way galvanic isolation – command in, actual position out and power supply Selectable sinking or sourcing actual position 4-20mA output Local / remote configuration enable input and open drain status output Selectable solenoid drive sense for failsafe operation Selectable default operation on command signal/feedback signal break ESD solenoid output - 24VDC open drain Fault output - 24VDC open drain Hydraulic pump drive controlled by demand or external pressure sensors External fault contact monitoring Selectable interlock between ESD and fault outputs Stepping mode with adjustable ON and OFF times Low power - normal operation less than 2W plus solenoidsEnhanced System HART communication channel on re-transmitted actual position signal Foundation Fieldbus interface 3 analogue inputs for hydraulic system monitoring and condition monitoring Performance logging with USB download 2.5A proportional solenoid drive with PID control Partial stroke valve testing with loggingwww.paladonsystems.com
Paladon SystemsFerro Fields, Brixworth, NorthamptonNN6 9UA, United KingdomTel: 44 (0)1604 880700 Fax: 44 (0)1604 882424info@paladonsystems.comPaladon SystemsLoc. Ca' Verde (Strada 412/R), 29011 Borgonovo ValTidone (PC), ItalyTel: 39 0523 846611 Fax: 39 0523 846659info.italia@paladonsystems.comPaladon Americas14514 Luthe Road, Houston, TX 77039, USATel: 1 855 725 2366 Fax: 1 832 310 2370info.usa@paladonsystems.comUnited KingdomItalywww.paladonsystems.com
Paladon Systems Self-Contained Electro-Hydraulic Control Systems are integrally mounted to the actuator, and typically consist of the following basic system components: Non-Pressurized Hydraulic Reservoir Electric Pump/s Hydraulic Accumulator/s Electro-Hydraulic Control System Hydraulic Valve Actuator/s SYSTEM OVERVIEW www.paladonsystems.com
2.3.3- Multiple Flow Settings using Electro-Hydraulic Switching Valves, 56 2.3.4- Flow Control using an Electro-Hydraulic Continuous Valve, 58 2.3.5- Flow Control using an Electro-Hydraulic Displacement Controlled Pump, 60 2.3.6- Flow Control using a Fixed Pump Driven by
⑧Operator type H Hydraulic proportional W21 Electro-hydraulic proportional, 24V W23 Electro-hydraulic proportional, 12V W41 Electro-hydraulic on/off, 24V W43 Electro-hydraulic on/off, 12V ⑨Second relief valve Blank Without second relief valve G G320G320, pressure details of seco
This enables the electro-hydrostatic actuator to efficiently use energy and deliver power on demand. Figure 2 compares traditional electro-mechanical, electro-hydraulic . modular design with a self-contained hydraulic system and its principle of using power on demand. In addition, it does not use
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processes are optimized for next generation manufacturing systems. In two previous papers we outlined the design of a heavyduty handling - system and its hydraulic lifting mechanism based on Industry 4.0 principles. Electro-hydraulic circuit modelling as well material selection for electro-hydraulic operation of the new designed system
Hydraulic Systems - Components and more Page 7 Contents Chapter 1: The hydraulic system 11 Hydraulic elements 12 Hydraulic fluid 13 Materials 14 Physical design 14 Chapter 2: The hydraulic cylinder 15 Classification of hydraulic cylinders 15 Type of effect 15 Working area 16 Series and working pressure 18 What's important? 21 Cylinder construction 25 Design 26
17 Hydraulic unit Hydraulic unit, v.v. electro motoren, 2,2 kW, 220/380 volt 50 18 RVS electrische trolley . Electro aandrijfmotor, "Flender" 20 23 Trommel electro motor Trommel electro motor, type SAF70VZ9, 1400 rpm, 3 kW, v.v.
100 mW Accuracy of temperature measurement (for 1 % types) 0.5 between 0 and 40 1.0 between -40 and 80 C Dissipation factor (in still air) K / W 3m Response time (in oil) 2.5 s Climatic category (LCT / UCT / days) 40 / 105 / 28 Minimum dielectric withstanding voltage between leads and coated body 500 VRMS
