INSTALLATION INSTRUCTIONS FOR GEOTHERMAL COUPLERS  | | Long type EF Coupler for insulating pipe | Calculate the touching zone of coupler and mark on the pipe |
 | | To remove the oxide layer scrape the pipe surface | Clean the area that you was scraped before with an appropriate chemical. (Trichloroethone or pure alcohol) |
 | | Insert the coupler on the one side of the pipe | Weld the steel pipes by using electrical welding |
 | | After electrical welding slide the coupler to the other side | Make the electrofusion welding |
| | | Fill the insulating material from the hole of the coupler and fit the cap on the coupler |
|
