Sleeve Union Flex-Flex

Nipple double wall Flexible stainless steel A – 316 L/A-304 with diameters from 80 to 300 mm. modular metal chimney.


Interior wall thickness: 0.1 mm. AISI 316L
Exterior wall thickness: 0.1 mm. AISI 304
Working temperature, up to 450 ° C.
Meets UNE 123001:2009
Product certified according to CE/0099/EN 1856-1


According to the norm EN 1856-2:
T200-P1 W V2 L50010 OR (WITH BOARD)
T450 N1 W V2 L50010 G (WITHOUT SEAL)


Recommended for indoor and outdoor facilities and any type of fuel: biomass (pellets, coal, wood…), liquids or gas.
Other appliances: stoves, boilers, fireplaces, inserts, open and closed, homes condensation.