Strulik type BSV and BZV cone valve combine the function of a continuously adjustable supply and exhaust air valve with fire resitance characteristics to K90-18017. The thermal release devices are hermetically sealed.
The shut-off devices can be installed in multi-layered ventilation shafts made of mineral building materials with a minimum wall thickness of 24 mm.
The fire resistant cone valves can be fitted into or on the surface of the wall. If place on the surfave, they can be installed horizontally or vertically.
No special fixtures and fittings are required (This is time saving and very economic).
Strulik fire resistant cone valves even be retrofitted into ventilation systems to DIN 18017 in order to comply with the applicable fire protection requirements.
The fire resistant cone valves may be used in domestic kitchens.
(The BSV/BZV have the same installation methods as the WBV/WBZ)
DN100, DN125, DN160 and DN200