Air drain 777 series

automaticfloat

Slim design for low heat loss – ideal for installations where space is limited High-grade, glass-fibre reinforced plastic version with brass connection Two-way venting principle: separated air escapes via the central hole in the float in a defined way without taking along water Patented float geometry for minimum capillary effect – avoids the formation of an air cushion to suppress undefined "jumps" of the float Cover with patented nozzle geometry: The slot-shaped vent opening provides for a high venting capacity Protective cap, cannot be lost Universal application for water and water-glycol mixtures (max. 50 % glycol) Always subjected to a 100 % function test With mounting valve for easy, fast mounting - dismounting is possible at any time without draining the system Application For automatic venting of sealed heating systems as per EN 12828. Suitable for water and water/glycol mixtures with up to 50 % glycol. Automatic quick air vent made of high-grade glass-fibre reinforced plastic, with aqua stop. The vent cap does not have to be removed during operation of the quick air vent, not even for initial filling or servicing. Its high, narrow design is perfect in terms of appearance and function. Sealing by means of O ring. Mounting valves available as accessories.