
HERZ DZR 2-Way Control Ball Valve
DZR brass 2-way control ball valve for hydronic and HVAC applications
The HERZ 2622-2X Swing Check Valve fromย HERZ Armaturen is a flanged, full-bore non-return valve designed to prevent backflow in HVAC and water distribution networks. Constructed from cast iron (GG25) with a ductile iron (GGG40) disc and brass seating ring, the valve ensures tight sealing and reliable operation across a wide range of system pressures.
Its robust design complies with EN 12334 and EN 1092-2 standards and is epoxy-coated for corrosion protection. Suitable for both hot and cold water, it supports glycol mixtures up to 50%.

DZR brass 2-way control ball valve for hydronic and HVAC applications

Flanged lug-type cast iron butterfly valve with gear operator for secure end-line and sectional isolation.

The HERZ DZR SMART PICV (4006/4206 SMART Series) with Three Test Points

Compact DZR brass globe valve with non-rising spindle for HVAC and hydronic shut-off applications