Materials
- Body: DZR brass CW617N (EN 12165).
- Lid, backflow preventer and adapter: DZR brass CW614N / CW617N.
- Float: PP plastic.
- Seals: EPDM.
- Cap: ABS plastic (black or red).
Automatic Air Vent
HERZ 2630 DZR Air Vent
2630 Series — DZR Brass PN12.5, up to 110°C
HERZ 2630 DZR Air Vent from HERZ Armaturen is an automatic float-type air release valve in DZR brass that continuously removes trapped air from closed heating and cooling systems, PN12.5 up to 110°C.
Manufactured by
HERZ Armaturen
HERZ 2630 DZR Air Vent
Review the confirmed product information, including description, features, benefits, and applications.
The HERZ 2630 DZR Air Vent from HERZ Armaturen is an automatic air release valve that continuously removes trapped air from heating and cooling installations. Constructed from DZR brass (CW617N/CW614N), it offers corrosion resistance and long service life in closed hydronic systems.
Its float-operated mechanism provides consistent venting, while the ABS cap prevents dirt ingress. An optional backflow preventer simplifies maintenance and replacement.
The 2630 series follows EN 1074-4 and ISO 228 and suits HVAC circuits using water or water-glycol mixtures.
Pressure & Temperature
- Nominal pressure: PN12.5.
- Temperature range: 0°C to +110°C.
- Medium: water (no steam); glycol mixtures up to 50%.
Standards
- EN 1074-4.
- ISO 228 threads.
Design
- Float-operated automatic venting.
- Optional backflow preventer for service.
Automatic Air Removal
Continuous venting helps prevent corrosion and noise.
DZR Construction
DZR brass resists dezincification and scaling.
Compact Design
Fits near boilers, risers and manifolds.
Easy Service
Optional backflow preventer simplifies service.
HERZ 2630 air vents are installed at high points of closed heating and cooling circuits.
Heating & Cooling Systems
Air removal in heating and cooling systems.
Closed Hydronic Circuits
Automatic venting for closed hydronic circuits.
Manifolds & High Points
High points, manifolds, and near boilers or chillers.
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