HERZ Cast Iron 3-Way Control Valve (F4037 Series)
Cast iron 3-way flanged valve for mixing and diverting in large hydronic systems
HERZ DZR SMART PICV
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.
- 🔹 DZR brass body (CC770S/CW602N) with stainless-steel internals.
- 🔹 Linear control characteristic for precise modulation.
- 🔹 Compatible with HERZ on/off or modulating actuators (M28x1.5).
- 🔹 Compact and service-friendly design.
- 🔹 Flow capacity: 120–5200 l/h.
- 🔹 Differential pressure: up to 6 bar.
- 🔹 Operating pressure: 25 bar.
- 🔹 Operating temperature: up to 130°C (DN15–32), 110°C (DN40–50).
- 🔹 Sizes: DN15–DN50.
- 🔹 Self-balancing operation — no need for manual commissioning.
- 🔹 Stable control performance under varying pressure conditions.
- 🔹 Corrosion-resistant construction ensures system longevity.
- 🔹 Reduced system noise and pump load for better efficiency.
- 🔹 Quick preset configuration with adjustable flow limiter.
- 🔹 Fan coils, chilled beams, radiant panels, and air-handling units.
- 🔹 Suitable for commercial, institutional, and residential hydronic networks.
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