
HERZ Differential Pressure Controller – Cast Iron Body (F 4007 Series)
Flanged differential pressure controller maintaining constant system pressure balance.
The HERZ DZR PICV Enhanced Flow Series from HERZ Armaturen delivers higher flow capacity and extended control stability for demanding hydronic systems. Designed for large terminal loads, it ensures consistent volumetric control under wide differential pressure ranges.

Flanged differential pressure controller maintaining constant system pressure balance.

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

Motorized butterfly valve with ITQ electric actuator for automated HVAC and water control