Vacuum breakers brass stainless steel high temperature steam
The VB 14 and VB 21 vacuum breakers from Mankenberg reliably prevent negative pressure in pipelines, heat exchangers and containers. They protect systems from damage caused by vacuum and ensure safe operation in steam systems and liquid systems.
For steam systems, heat exchangers, pipelines and tanks in energy, chemical and process plants.
| Feature | VB 14 | VB 21 |
| Type of construction | Vacuum breakers / vent valve | Vacuum breakers / vent valve |
| Body material | Brass / stainless steel | Brass / stainless steel |
| Nominal pressure | PN 16 | PN 25 |
| Connection | Rp ½” socket connection according to DIN EN 10226-1 | Rp ½” socket connection according to DIN EN 10226-1 |
| Max. operating pressure | 14 bar | 21 bar |
| Max. temperature | 260 °C @ 7 bar | 400 °C @ 13 bar |
| Min. temperature | -196 °C | -48 °C |
| Special feature | Compact design for standard applications | Suitable for high-temperature steam systems |
DIN EN 10226-1 for threaded connections.
Steam and liquids.
VB14: up to 260 °C, VB21: up to 400 °C.
Yes, e.g. with special coatings or materials.
Rp ½”.
Our insulations are more than just accessories – they perfectly complement fittings and systems and increase efficiency, safety and adaptability.
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