Business    Hydraulic Actuator Tech.
 
Hydraulic Actuator Technology
 
Engineering, Maintenance, Design, Manufacturing and comprehensive performance test services
for Hydraulic Actuator for Turbine
 
Hydraulic actuator technology is essential to capture the reliability of hydraulic system for the
operation of turbine valve and turbine protection.
Therefore, it is very important to maintain the integrity of the turbine valve hydraulic system
to prevent a damage to the turbine equipment of the power plant.

enesG is engaged in the design, manufacture and maintenance of hydraulic system for power plants and is improving reliability of operation of power plant facilities by applying its special engineering and patent technology.
 
 
 
  • General
  • Maintenance & Supply
  • Trip System Retrofit
  • Governing System Retrofit
  • Oil Flushing Equipment
Engineering
  • CPP, NPP, CCPP Valve Actuator Maintenance & Comprehensive Performance Test
  • Air Vent System Development
  • Design, Manufacturing for Hydraulic Actuator of TBN
Control system hydraulic valve maintenance and performance diagnosis
  • ETS Hydraulic valve Maintenance & Comprehensive Performance Test
  • Main TBN, BFP-T(MFWP-T), Main Steam/ Feed water Sol’ Valve Maintenance & Comprehensive Performance Test
  • Servo Valve Maintenance & Comprehensive Performance Test
Boiler control actuator maintenance and performance diagnosis
  • Axial flow fan hydraulic cylinder maintenance and performance diagnosis
  • Desulfurization booster fan hydraulic cylinder maintenance and performance diagnosis
Development of oil flushing equipment
  • Development of TBN EHC remote controlled oil flushing system
  • Development of remote controlled Oil flushing system for turbine lubricating oil system
Fossil
Product Size
CV 1,2,3 Cylinder 5", 10" Stroke
CV 4 Cylinder 5", 10" Stroke
CV 1,2,3 Cylinder 6", 10" Stroke
CV 4 Cylinder 6", 10" Stroke
CV 1,2,3 Cylinder 12", 10" Stroke
CV 1,2,3 Cylinder 10", 4" Stroke
IV 1,2 Cylinder 5", 12" Stroke
IV 1,2 Cylinder 6", 12" Stroke
IV 1,2 Cylinder 7", 12" Stroke
IV 1,2 Cylinder 8", 14" Stroke
RSV 1,2 Cylinder 10", 12" Stroke(Non-Control Type)
RSV 1,2 Cylinder 8", 8" Stroke(Non-Control Type)
RSV 1,2 Cylinder 7", 8" Stroke(Non-Control Type)
Product Size
RSV 1,2 Cylinder 8", 10" Stroke(Non-Control Type)
RSV 1,2 Cylinder 10", 10" Stroke(Non-Control Type)
MSV 1 Cylinder 6", 6" Stroke(Non-Control Type)
MSV 2 Cylinder 6", 6" Stroke(Control Type)
MSV 1 Cylinder 8", 8" Stroke(Non-Control Type)
MSV 2 Cylinder 8", 8" Stroke(Control Type)
MSV 1 Cylinder 9", 8" Stroke(Non-Control Type)
MSV 2 Cylinder 9", 8" Stroke(Control Type)
MSV 1 Cylinder 9", 9" Stroke(Non-Control Type)
MSV 2 Cylinder 9", 9" Stroke(Control Type)
CRV IV# 1~2, Cylinder 5", 12" Stroke
CRV RSV# 1~2, Cylinder 4", 8" Stroke
LPA CV 4-1/4"DIA.× 239.9mm Stroke(Control Type)
Nuclear
Product Size
CV 1,2,3 Cylinder 10", 14" Stroke
CV4 Cylinder 10", 12" Stroke
MSV 1,3,4 Cylinder 10", 12" Stroke (Non-Control Type)
MSV 2 Cylinder 10", 12" Stroke (Control Type)
IV 1,2,3 Cylinder 5", 14" Stroke
IV 4,5,6 Cylinder 5", 14" Stroke (Non-Control Type)
ISV 1~6 Cylinder 8", 12" Stroke (Non-Control Type)
TV 1,2,3,4 Cylinder 8", 8" Stroke
GV 1,2,3,4 Cylinder 7", 20" Stroke
IV 1~6 Cylinder 6", 10" Stroke
RV 1~6 Cylinder 6", 10" Stroke
   
   
Domestic Maintenance History
Description Nuclear PP Fossil PP CCPP
Hydraulic
Actuator		 241
Actuators		 233 Actuators 299 Actuators
Hydraulic Valve 21 Plants 60 Plants 12 Plants
Domestic New / upgraded equipment Supply History
Description Nuclear Power Fossil Power CCPP
2006 ~ 2011 44 Actuators 86 Actuators 21 Actuators
2012 ~ 2014 20 Actuators 16 Actuators 7 Actuators
Total 64 Actuators 96 Actuators 28 Actuators
Effect of Actuator Upgrade
Trip system retrofit by replacing former mechanical trip device to reliable electric trip device can Enhance credibility of power plant and reduce operating cost.
Governing system retrofit by replacing former mechanical governor to EHC System controlled by servo valve can enhance credibility of power plant and reduce maintenance cost.