Stainless steel vacuum breaker VB21 / VB21M

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, such as heat exchangers, heating coils, calorifiers, jacketed kettles, steam boilers, etc. MATERIAL: Stainless steel SIZES: 1/2” x 1/8” CONNECTIONS: VB21 – Female threaded ISO 7 Rp or NPT VB21M – Male threaded ISO 228 G