
HERZ 4218 VODRV (Ductile Iron Series)
PN25 ductile iron flanged commissioning valve for high-pressure HVAC and process water systems
The HERZ DZR SMART PICV (4006/4206 SMART Series) from HERZ Armaturen is a pressure-independent balancing and control valve designed for precision hydronic regulation in heating and cooling systems. It combines a control valve, balancing function, and differential pressure control in a compact DZR brass housing for long-term corrosion resistance.

PN25 ductile iron flanged commissioning valve for high-pressure HVAC and process water systems

Automatic DZR brass air vent for bleeding air from heating and cooling systems.

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