STRÖMAX 4017

The HERZ STRÖMAX 4017 (FODRV) from HERZ Armaturen is a double regulating valve with an integral fixed orifice plate, designed for precise flow measurement and system balancing in small to medium hydronic networks.

Made from dezincification-resistant brass (CW612N), it provides durability and corrosion resistance. The valve integrates two test points for differential pressure measurement and features a digital preset handwheel for accurate and secure adjustment. Its compact design and threaded connections allow easy installation across heating, cooling, or domestic water applications.

  • 🔹 Body Material: DZR brass (CW612N)
  • 🔹 Connection Type: BSP female threaded ends (BS21)
  • 🔹 Sizes: DN15–DN50
  • 🔹 Nominal Pressure: PN20
  • 🔹 Temperature Range: Up to 130°C
  • 🔹 Differential Pressure (Closed): Max. 10 bar
  • 🔹 Medium: Water, water-glycol mixtures (per ÖNORM H5195 / VDI 2035)
  • 🔹 Flow Characteristic: Linear, fixed orifice design
  • 🔹 Sealing: Double O-ring spindle seal
  • 🔹 Preset Display: Digital handwheel with locking function
  • 🔹 Measurement Ports: 2 × ¼” test points
  • 🔹 High-precision balancing with integrated orifice plate.
  • 🔹 Corrosion-resistant DZR brass for potable and HVAC systems.
  • 🔹 Easy presetting and reproducible adjustment.
  • 🔹 Compact, maintenance-free design.
  • 🔹 Compatible with HERZ test instruments and accessories.
  • 🔹 Heating and cooling distribution loops.
  • 🔹 Terminal unit commissioning (fan coils, AHUs, radiators).
  • 🔹 Water-based hydronic systems in commercial and residential buildings.
  • 🔹 Differential pressure-based flow measurement and balancing.
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