
HERZ CAST IRON DOUBLE REGULATING & COMMISSIONING VALVES
Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks
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%.

Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks

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