After sandblasting the inner and outer surfaces according to customer requests and standards, paint is applied with the airless spraying method to the cleaned and properly rough surface.
While solvent-free epoxy is generally preferred for potable water projects, for natural gas pipes flow coat epoxy and for stake pipes coal-tar epoxy or glass flake epoxy is applied.
Used standards:
AWWA C-210, NFA 49709, TS EN 10289