Non-Return Flaps – Round and Rectangul
The design principle for our non-return flaps is a flange and a dome-shaped front. The dome-shaved front or flap is suspended in bronze bearings. The seal is a neoprene lip seal.
Types KR, KV og KU
Type KR:
For concreting in as well as mounting on and in pipelines.
Type KV:
For fitting on a vertical or sloping wall.
Type KU Repair Flap:
KU is used, where the existing non-return flap is ruined from corrosion or similar. The repair flap is fitted directly on the outside of the embedded flange of the existing non-return flap. This ensures a very quick and safe installation.
Materials:
Non-return flap:
Rustfri stål AISI304 / AISI316 / SS2353. Søvandsbestandig Aluminium.
Seal
Neoprene lip seal. Standard size: Ø 300 to Ø 1,500.
Example 3
Non-return flap Type KV099 – FF Special for fitting on old flange
Inside measure: Ø 990 mm
