For use in areas subject to reaction to fire regulations, in installations for the transport/distribution/storage of gas/fuel intended for the supply of building heating/cooling systems, from the external storage reservoir or the last pressure reduction unit of the network to the inlet of the heating/cooling systems of the building, and in installations for the transport/disposal/storage of water not intended for human consumption for products for which the reaction to fire class is A(1), B(2) or C(3).
Za uporabo v območjih, za katere veljajo predpisi glede obnašanja pri požaru, in to pri instalacijah za prevoz/distribucijo/hranjenje plina ali goriva za oskrbo sistemov ogrevanja/hlajenja v stavbah, od rezervoarja za zunanjo hrambo ali zadnje mrežne enote za zmanjševanje tlaka do dovoda sistemov ogrevanja/hlajenja v stavbe, in pri instalacijah za prevoz/odstranitev/hranjenje vode, ki ni pitna, za proizvode, katerih razred obnašanja pri požaru je A([3]), B(1) ali C(1).