Tunetanken FRP doubles ferrules for wastewater, rainwater, process water, air, etc. FRP double ferrules are used for sand and water closed joints. FRP double ferrules are suitable for below ground installation.
Tunetanken has a large standard program of FRP double ferrules. FRP double ferrules are available in different sizes.
Tunetanken FRP double ferrules are produced in fiber-reinforced composite material, which is a robust and tear-free material that does not corrode.