应用
Urban water, diversion pipes, agricultural,etc
Techinical Process
Centrifugal Casting
External Coating
Zinc Spray+bitumen Coating
Internal coating (linings)
Portland//Sulphate/ High Aluminum Cement Mortar as per ISO4179
Coating of the joint area
Epoxy coating/Polyurethane coating
Metallic zinc coating
Not less than 130g/m2 as per ISO8179
Bitumen coating
Not less than 70 um