VALSTEAM ADCA VB21/VB21M VACUUM BREAKERS
The VB21 vacuum breakers are simple and reliable devices that automatically relieve or “break” an unwanted vacuum condition, restoring the atmospheric pressure. This device is particularly suitable for steam heated units of small and medium volume as heat exchangers, heating coils, calorifiers, jacketed kettles, steam boilers, etc.
MATERIAL
Stainless steel
SIZES
1/2” x 1/8”
CONNECTIONS
System, vertical connection 1/2”Air inlet, horizontal connection 1/8”VB21 – female threaded ISO 7 Rp.VB21M – male threaded ISO 228 G.
LIMITING CONDITIONS
13 bar at 400 ºC21 bar at 220 ºC
