NSL-SMO male coupling fire resistance class:
E600 120 (ho) S1500 single, designed for single-compartment
smoke extraction systems and combined (dual-function) systems.
The coupling is used for connecting SPR-SMO ducts or female fittings,
it is equipped with GASK double lip seals for ventilation fittings made of
EPDM and 1.8 mm thick and 10 mm wide intumescent seal.
Welding points and other joints are covered with high-temperature sealant.
SMOKE System fittings are available in diameters from 100 to 1000 mm.
