| Document | Action |
|---|---|
| Technical data | |
| Technical data PDF | Download |
Zilmet Zilflex H UR0181809CS0000 - Expansion Vessel (18L)
Price excl. VAT€ 53,70Price incl. VAT€ 64,98
Another 1 In stock
Compact 18L expansion vessel with 1.5 bar preset pressure and a 4 bar maximum working pressure.
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Other variants
- 18L Zilflex H-series vessel
- 1.5 bar preset / 4 bar max pressure
- 3/4" threaded connection
- EN 13831 & EN 12828 compliant
- –10 °C to +110 °C operating range
- Carbon-steel shell + Zilan-N membrane (p.1)
- Compact: Ø 290 mm, height 400 mm
Stable pressure control for closed heating systems
The Zilmet Zilflex H UR0181809CS0000 (18L) expansion vessel compensates pressure fluctuations caused by thermal expansion, ensuring stable system performance and reduced mechanical wear.
Zilflex H construction
As shown in the technical drawing, the vessel is manufactured from carbon steel with a durable Zilan-N diaphragm (p.1), providing long-lasting performance even at elevated temperatures.
Reliable technical performance
With a 1.5 bar preset, 4 bar max working pressure and compliance with EN 13831 and EN 12828, this expansion vessel is suitable for modern boiler-based systems.
Easy installation
The 3/4" connection allows fast integration with fittings found in connection materials. Ideal for both replacements and new builds.
Compact design
Its compact size (Ø 290 mm, height 400 mm) makes it ideal for tight plant rooms and compatible with systems featured under heat pumps and buffer tanks.
Hewa can assist with vessel sizing and system configuration.
| Generals | |
|---|---|
| Item number | 320918 |
| EAN Code | 8721082877725 |
| Price excl. VAT | € 53,70 |
| Price incl. VAT | € 64,98 |
| Sizes ((LxWxH):) | 29 x 29 x 40 cm |
| Specification list | |
| Connection | G 3/4" M GAS (ISO 228/1) |
| Voordruk [bar] | 1.5 bar (range 0.5–3.5 bar) |
| Max. pressure | 4 bar |
| Werktemperatuur [°C] | –10 °C to +110 °C |
| Diameter | 290 mm |
| Height | 400 mm |
| Weight | 4.2 kg |
| Diaphragm | Zilan N |
| Casing material | galvanised carbon steel |
| PED category | I |
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