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2026-07-29 22:08
메인 Technology Specialized Technology Hydraulic Equipment and Turbine Valve Diagnosis

Specialized Technology

Hydraulic Equipment and Turbine Valve Diagnosis

  • Hydraulic Equipment and Turbine Valve Diagnosis image 1
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  • Diagnosis and recovery of issues in turbine hydraulic control and protection systems and valve hydraulic systems in power plants
  • Provision of Clean Shop One-Stop Service, including diagnosis, maintenance, and performance improvement, for hydraulic equipment vulnerable to contaminants
  • Performance improvement using hydraulic system analysis and design technologies, as well as re-engineering of individual hydraulic equipment and components

Diagnosis Service

Hydraulic Actuator Diagnosis

  • One-stop maintenance service
  • Diagnosis of internal and external leakage flow
  • Hysteresis diagnosis
  • Dynamic characteristic diagnosis
  • Static characteristic diagnosis

Hydraulic Valve Diagnosis

  • Performance diagnosis of servo valves
  • Performance diagnosis of proportional control valves
  • Performance diagnosis of hydraulic valves
  • Diagnosis of hydraulic amplification and conversion devices, including electrical-to-hydraulic and hydraulic-to-electrical conversion systems

Hydraulic Pump Diagnosis

  • Pressure and flow analysis, P- Q diagram
  • Operating data analysis
  • Diagnosis of damage causes in sealing and moving parts
  • Diagnosis of sealing material suitability

Turbine Protection System Diagnosis

  • Diagnosis of HPU, Hydraulic Power Unit, systems
  • System integrity diagnosis through internal flow measurement during operation
  • Integrity diagnosis of various turbine protection valves
  • Integrity diagnosis of control oil systems

Major Turbine Valve Diagnosis

  • Diagnosis of damage conditions of internal valve components
  • Diagnosis of internal and external valve leakage
  • Integrity evaluation of wear and exfoliation conditions of hardfacing on sealing areas
  • Analysis of damage causes based on abnormal valve operation history

Solution

01

Performance Improvement and Reliability Enhancement

  • Hydraulic system upgrade
  • Reverse engineering and manufacturing of hydraulic components
  • Tuning of turbine governor systems and EH converters
  • Verification of operating conditions and reliability using EHSAⅡ-Plus
  • Pressure adjustment of hydraulic equipment
02

Component Improvement and Replacement

  • Selection, improvement, and replacement of hydraulic sealing materials
  • Machining and re-engineering of damaged components
    • Hydraulic actuators and components
    • Hydraulic valves and components
    • Others

Major Clients

Domestic

  • Korea Hydro & Nuclear Power

  • Korea East-West Power

  • Korea Midland Power

  • Korea Western Power

  • Korea South-East Power

  • Korea Southern Power

  • Korea District Heating Corporation

  • POSCO

  • GS E&R

  • Yeocheon NCC

Overseas

  • KEILCO(Philippines)

  • Foundation Power Co. Dahaki Ltd(Pakistan)

  • GMDC(India)

  • MIRFA(United Arab Emirates)

  • TJB(Indonesia)

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