HeatWave Expansion Vessel for Heating Systems
The HeatWave expansion vessels from Global Water Solutions are intended for use in closed hydronic heating systems and must not be installed in open circuits or drinking water systems. They…
Description
The HeatWave expansion vessels from Global Water Solutions are intended for use in closed hydronic heating systems and must not be installed in open circuits or drinking water systems. They are the ideal solution for liquid expansion in radiant heating systems and can be used in systems with a water-glycol mixture of up to 50%. The air chamber is sealed with a brass air valve and an O-ring-sealed valve cap, ensuring years of leak-free, maintenance-free service life. The two-coat polyurethane paint finish withstands the harshest indoor and outdoor conditions. Inline models feature a welded hex-nut connection; free-standing vertical models have a rigid base. Available in vertical and inline versions.
Features
- Leak-free air valve with O-ring seal
- Two-coat polyurethane paint finish
- High-quality butyl diaphragm construction
- Patented chrome-plated steel water connection
- Maintenance-free
- Suitable for water-glycol mixtures up to 50%
Applications
- Closed heating circuits
- Hydronic heating circuits
Technical data
| Potable water suitability | No |
|---|---|
| Nominal volumes | 2 – 150 L |
| Min. operating temperature | -10 °C (avoid freezing) |
| Max. operating temperature | 99 °C |
| Max. operating pressure | 6 bar |
| Factory pre-charge pressure (2-24 L) | 0.7 bar |
| Factory pre-charge pressure (35 L) | 1 bar |
| Factory pre-charge pressure (60-150 L) | 1.5 bar |
| Connection inline | 3/4" BSPT |
| Connection vertical | 1" BSPP |
Variants & article numbers
| Model (mfr. no.) | Art. no. (KLN) | Size | Type | Dimensions H×Ø (mm) | Weight (kg) |
|---|---|---|---|---|---|
| HWB-2LX | 50860115 | 2 L | Inline | 204 × 126 | 12.4 |
| HWB-4LX | 50860116 | 4 L | Inline | 256 × 162 | 1.7 |
| HWB-8LX | 50860117 | 8 L | Inline | 308 × 202 | 2.0 |
| HWB-12LX | 50860118 | 12 L | Inline | 362 × 230 | 2.8 |
| HWB-18LX | 50860119 | 18 L | Inline | 362 × 279 | 3.5 |
| HWB-24LX | 50860120 | 24 L | Inline | 442 × 290 | 4.4 |
| HWB-35LX | 50860121 | 35 L | Inline | 476 × 318 | 6.8 |
| HWB-60LV | 50860122 | 60 L | Vertical | 619 × 389 | 10.5 |
| HWB-80LV | 50860123 | 80 L | Vertical | 815 × 389 | 14.3 |
| HWB-100LV | 50860124 | 100 L | Vertical | 805 × 430 | 19.5 |
| HWB-150LV | 50860125 | 150 L | Vertical | 938 × 530 | 34.0 |
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