VB21 Vaccum breaker
VB21 vacuum breakers are simple and reliable devices that automatically relieve or "break" an unwanted vacuum condition by restoring atmospheric pressure.
This device is particularly suitable for small to medium volume steam heated units such as heat exchangers, heating coils, accumulators, jacketed boilers, steam boilers, etc.
- Saturated and superheated steam.
- VB21 - female thread.
- VB21M - male thread.
- 1/2" x 1/8".
- System: 1/2" vertical connection.
- Air inlet: horizontal connection 1/8".
- VB21 - female thread ISO 7 Rp or NPT.
- VB21M - male thread ISO 228 G.
- Vertical installation with angle connection.
- See IMI - Installation and maintenance instructions