Flexible FDL (flexible stainless double layer)

Exhaust system: 
  • The double layer system FDL consists of flexible stainless steel tubes AISI 316L, components and accessories made of stainless steel no. 1.4404 or 1.4571.
  • The FDL system is available with 2x 0,12mm wall thickness in the Ø80-200mm.
  • Suitable for connecting boilers which are operated by oil, gas or solid fuels. Operation mode wet.
  • System designed for subpressure operation (natural draft), max. continuous temperature 600°C.
  • With specially installed seals in the connectors, it can also be used in overpressure mode, max. continuous temperature 200°C.
  • Insulation is not required.
  • The cylindrical plug-in system is designed without locking band.
  • The FDL exhaust systems can be built in shaft, in conjuction with double-wall system Complex D.
  • Features according to EN 1856-1