Nexus 18L solar expansion vessel model DS-18 for closed solar thermal systems, suitable for glycol-based solar fluid and high system temperatures.
Nexus 18L solar expansion vessel model DS-18 for closed solar thermal systems, suitable for glycol-based solar fluid and high system temperatures.
This solar expansion vessel is designed for closed solar thermal installations. It absorbs the expansion of the solar fluid and supports safe operation when temperatures in the collector field fluctuate.
| Technical specifications — Nexus 18L solar expansion vessel model DS-18 | |
| General | |
| Product Type | Nexus solar expansion vessel |
| Article Number | 255 700 1001 |
| Model | DS-18 |
| Volume | 18 L |
| Diameter | Ø 270 mm |
| Height | 410 mm |
| Connection | G 3/4" |
| Max. Operating Pressure | 8 bar |
| Membrane | SBR membraan |
| Pre-Charge Pressure | 3 bar |
| Max. System Temperature | -10°C - 110°C |
| Solar Medium | suitable up to 70% |
| Internal Protection | Top Pro coating |
| Standards | Pressure Equipment Directive 97/23/EC, DIN EN 13831 |
| Application Standard | DIN EN 12976, EN 12977 / DIN 4757 |
| Warranty | 2 years |