HERZ CAST IRON WAFER TYPE GEAR OPERATED BUTTERFLY VALVE
Gear-operated cast iron wafer butterfly valve for large-diameter HVAC and industrial water systems.
HERZ DZR PICV (STANDARD)
The HERZ 4006/4206 Standard PICV from HERZ Armaturen is a compact, high-precision balancing and control valve that automatically maintains a constant design flow rate, independent of pressure variations in the system. It provides hydronic stability, operational simplicity, and extended reliability.
- 🔹 DZR brass housing with EPDM diaphragm and seals.
- 🔹 Stainless-steel spindle and internal components.
- 🔹 4 mm actuator stroke; compatible with HERZ actuators.
- 🔹 Linear control characteristic.
- 🔹 Flow capacity: up to 5200 l/h.
- 🔹 Differential pressure: up to 6 bar.
- 🔹 Operating pressure: 25 bar.
- 🔹 Temperature range: -20°C to 130°C.
- 🔹 Compact and easy to install in return or supply lines.
- 🔹 Pressure-independent flow regulation ensures constant hydronic balance.
- 🔹 Reduces commissioning time and eliminates manual balancing valves.
- 🔹 Minimizes system noise and prevents overflows or undersupply.
- 🔹 Delivers energy-efficient comfort and operational reliability.
- 🔹 Fan coils, chilled beams, radiant panels, and air-handling units.
- 🔹 Suitable for commercial, institutional, and residential hydronic networks.
Other Products From HERZ Armaturen
HERZ CAST IRON LUG TYPE GEAR OPERATED BUTTERFLY VALVE
Flanged lug-type cast iron butterfly valve with gear operator for secure end-line and sectional isolation.
HERZ DUCTILE IRON LUG TYPE LEVER OPERATED BUTTERFLY VALVE
Ductile iron lever-operated lug-type butterfly valve for HVAC and water applications.