Strulik type BTZ-2-K90 cone valve combines the function of a continuously adjustable supply and exhaust air valve with fire resitance characteristics up to K90 depending on installation application.
The cone valve fire dampers are mounted directly into the compartment boundary. The effectiveness of the fire resistance is provided by the valve cone.
No special fixtures and fittings are required (This is time saving and very economic).
Strulik fire resistant cone valves can even be retrofitted into ventilation systems in order to comply with the applicable fire protection requirements.
DN100, DN125, DN160 and DN200