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| ON-LINE CLEANING(OUTSIDE OF TUBE) |
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| 1) Oil Refinery
: CDU, Asphalt Heater, VDU, CCR,
BTX, etc. |
| 2) Petrochemistry
: NNC(Convection), Cracking Treater,
etc. |
| 3) Electric Power Generator : Thermal Power Station Boilers |
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| PARTIALLY OFF-LINE CLEANING |
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| 1) Oil Refinery : ACHE(Outside of Fin Fan Tube Exchanger), Heat Exchanger(Inside), etc. |
| 2) Petrochemistry
: ACHE(Outside of Fin Fan Tube
Exchanger), Heat Exchanger(Inside),
etc. |
| 3) Boilers(Inside of Tubes) : Chemical Cleaning |
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| OTHER BUSINESS |
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| 1) Simcleaning : Cleaning of Anodized Aluminium and Ink for Colored Anodizing |
| 2) Chemical Stripper for Surface Cleaning, etc. |
| 3) Fuel Additives : Heavy Furnace Oil and Cool Burned Boilers |
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www.crayhurst.com