During 60 years of experience with ventilation systems Protan has developed couplings for easy installation. The couplings secure the risk for leakage under high pressure and has a long lifetime.
VF Coupling LP Coupling
User-friendly steel couplng Basically the same as the VF
with steel ring welded in and coupling, but stronger. Avaliable
VF compression ring on outside. with nut for tightening by machine.
Velcro Coupling Zip Coupling
Simple assembly and disassembly. Simple assembly. Flexible,
Flexible, quick and easy to store. quick and easy to store.