Threaded vacuum breaker VB21 series

stainless steelmedium

The ADCA VB21 vacuum breakers are simple and reliable devices that automatically relieve or “break” an unwanted vacuum condition, restoring the atmospheric pressure. These devices are particularly suitable for steam heated units of small and medium volume, such as heat exchangers, heating coils, calorifiers, jacketed kettles, steam boilers, etc. Saturated and superheated steam. System: vertical connection 1/2". Air inlet: horizontal connection 1/8". VB21 – female threaded ISO 7 Rp or NPT. VB21M – male threaded ISO 228. Vertical installation with angled connection. See IMI – Installation and maintenance instructions.