FF double flange ferrule is made as a monolithic cast iron casting entirely of ductile or grey cast iron, covered with an excellent anticorrosion coating based on epoxy resins or bituminous paints. The fitting is particularly suitable for water pipelines to install fittings and to connect flanged fittings.
National Institute of Hygiene in Warsaw
Flanged connection according to PN-EN 1092-2.
- Internal and external protection against corrosion with epoxy powder paint RAL 5005 with min. 250um and 3kV resistance – ductile iron
- Internal and external protection against corrosion with black bituminous paint – grey cast iron