High-load multi-unit substations, commercial complexes, schools, hotels with intensive DHW demand. Heating side — high-power DH consumer or boiler loops with hydraulic separation. Delivery across the EU.
| Parameter | Value |
|---|---|
| Code | 004H4522 |
| Plate count | 30 |
| Hydraulic layout | 1-pass |
| Connections | G 1 1/2" male thread |
| Max pressure | 25 bar |
| Temperature range | −10 → 195 °C |
| Plates | AISI 316 |
| Braze | Copper |
XB 52M plates are larger (~0.52 m²) than XB 37H — the same plate count gives more power. G 1 1/2" connections allow larger flow without high Δp.
Official Danfoss catalog: store.danfoss.com/004H4522
Peak flow > 3 l/s or power > 200 kW — more plates reduce Δp.
Yes — XB 52M CoResist series (079G1793-1799) targets high-Cl⁻ or pH<7 water conditions.