473 Acoustic signalers 21 Gas Fog Horns Big gas horn Charged with non-flammable gas. Horn/bottle snap coupling. Code Description 21.457.00 Gas horn with 300-ml bottle, made in accordance with DM 5/9/90 Enclosure II. Acoustical level 100 db, aluminium inner core. 21.457.01 Spare bottle capacity of 300 ml., loaded with ecological non-flammable gas. \ 21.457.00 \ 21.457.01 Portable gas trumpet Plastic horn, base with stainless steel back and cylinder containing non-flammable gas Code Description 21.456.01 TA1R certified by RINA; gas horn 400 ml for pleasure craft ranging in length from 12 to 50 m. Replaces (for pleasure craft only) bells type 21.532.00, 21.533.00. Eco-friendly compressed air horn Hand-operated via the plunger on the bottom of the cylinder. Fitted with double nozzle to be also used as inflator for fenders and balls. Code Db mm Cylinder Horn 21.458.00 100 Ø 50x160 Ø 75x190
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