HERZ Brass 3-Way Control Valve (Calis TS RD Series)

The HERZ Calis TS RD is a thermostatically operated 3-way valve designed for precise temperature regulation in small-scale heating and cooling applications. Its brass body, stainless-steel spindle, and EPDM seals ensure long-term performance. The valve integrates easily with HERZ thermostatic heads, electronic controllers, or thermal drives, providing reliable automatic operation. It is ideal for radiator control, mixing circuits, and single-pipe heating systems.

  • 🔹 Body Material: Brass (CC754S)
  • 🔹 Spindle: Stainless steel
  • 🔹 Seal: EPDM
  • 🔹 Nominal Pressure: 10–16 bar (depending on DN)
  • 🔹 Temperature Range: +2 °C to +120 °C
  • 🔹 Medium: Heating/cooling water (per VDI 2035, ÖNORM H5195)
  • 🔹 Kvs Range: 3–6.4 m³/h
  • 🔹 Automatic thermostatic operation.
  • 🔹 Compact and easy to install.
  • 🔹 Corrosion-resistant construction.
  • 🔹 Maintenance-free O-ring sealing system.
  • 🔹 Thermostatic radiator and floor heating control.
  • 🔹 Small HVAC zones and terminal units.
  • 🔹 Mixing circuits in heating and cooling systems.
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