KOREA GAS TECHNOLOGY CORPORATION


Supply Facility Maintenance

Supply facility maintenance

For stable operation of the main piping of 4,908km and 411 supply stations for nationwide supply of natural gas, 10 piping branches, 12 offices and 14 branch offices are operated and run in 24-hour emergency-ready system.

  • Supply Facility Maintenance 1
  • Supply Facility Maintenance 2
  • Supply Facility Maintenance 3

Main tasks

  • 1Inspection and maintenance of machines, electricity, telecommunication, relay, measuring and calculating facilities in nationwide natural gas supply facilities and supplemental facilities
  • 2Inspection and maintenance of the central command room and local control rooms
  • 3Disassembly, inspection and maintenance of main facilities
  • 4Recovery when emergency

Piping and offices

[Unit: km, office]
Piping and offices
Category Supply piping(km) Supply office(the number of offices)
Rated voltage control Blocking control Block valve Total
Total 4,908 146 144 121 411
Seoul 413 17 9 12 38
Incheon 267 11 4 3 18
Gyeonggi 533 20 9 17 46
Gangwon 662 14 27 28 69
Daejeon Chungcheong 470 11 17 8 36
Jeonbuk 486 12 16 5 33
Gwangju Jeonnam 575 16 21 10 47
Daegu Gyeongbuk 814 21 27 21 69
Busan Gyeongnam 643 22 13 15 50
Jeju 45 2 1 2 5

Supply facilities

[Unit: unit]
Supply Facility
Category Gas filter Gas heater Monostat Measuring facility
Total 455 409 990 735
Seoul 50 49 137 96
Incheon 38 44 103 67
Gyeonggi 53 55 136 100
Gangwon 52 36 91 67
Daejeon Chungcheong 40 29 58 44
Jeonbuk 39 36 94 71
Gwangju Jeonnam 56 41 96 85
Daegu Gyeongbuk 66 53 119 90
Busan Gyeongnam 55 63 134 104
Jeju 6 2 22 12
  • [Gas filter] Gas filtering facility to prevent damage on the facilities including monostat and flowmeter caused by foreign substances in the transported gas .
  • [Gas heater] Facility for heating the transported gas to prevent change of gas condition due to temperature drop when reducing pressure through monostat; and to prevent damage on other devices and piping at low temperature
  • [Monostat] Facility to reduce preset pressure of the transported high pressure gas
  • [Measuring facility] Facility to measure gas flow supplied to the customers.

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