
HERZ CAST IRON DOUBLE REGULATING & COMMISSIONING VALVES
Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks
The HERZ DZR SMART PICV (4006/4206 SMART Series) fromย 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.

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

Heavy-duty ductile iron gate valve with stainless-steel trim for high-pressure water systems

High-strength ductile iron flanged Y-strainer for high-pressure HVAC and water systems

Flanged differential pressure controller maintaining constant system pressure balance.