Overflow valves independent from back pressure, spring loaded.
UVU OVERFLOW VALVES
GEA overflow valves are designed to be used as relief valves in the refrigerant circulation of industrial refrigerating plants. Overflow valves are safety devices for protecting the refrigerating system or its components from excess pressure (see also DIN 8975 part 7). They open independently from back pressure and close completely within a pressure drop of 10 % below the set response pressure. They comply with the technical regulations of the German Technical Control Board (TÜV).
Overflow Valve type UVU
Technical Features
- Available in steel or stainless steel
- Selection of body material as per German DIN EN12284, AD2000 Series W
- Working mediums: refrigerants as per EN 378 p. 1, e. g. NH3, R134a, R290 (propane), R507 and blends with refrigerator oil; neutral, gaseous and liquid mediums, glycol-based cold brine
- Installation position: vertical and horizontal
- Available valve seat seals:
- UVUA: PTFE seal, can be used at temperatures of -60 °C to +180 °C
- UVUB: elastomer seal, can be used at temperatures of -50 °C to +110 °C
| UVU OVERFLOW VALVES | |
| material | steel or stainless steel |
| nominal size | DN 10-32 |
| nominal pressure level | PS 25, PS 40, PS 63 |
| temperature range | UVUA: -60 °C to +180 °C
UVUB: -50 °C to +110 °C |
| temperature range for
HT Valve Series | -10 °C to +200 °C |
| connection | butt welding and flanged ends as per DIN and ANSI
brazed ends threaded ends |
| response pressure range | 4-63 bar |
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GEA 洞察
Making milk production more sustainable for a growing world
The world's population is growing and with it demand for milk. Dairy is an essential component of many global diets. However, its production can be resource-intensive and impact the environment. GEA’s Christian Müller, Senior Director Sustainability Farm Technologies, sheds light on how technological innovations powered by GEA make milk production more efficient and profitable.
