HERZ Brass 3-Way Control Ball Valve (2137 Series)

The HERZ 2137 Series from HERZ Armaturen is a durable brass mixing valve for temperature regulation in heating and cooling systems. Available in three-way and four-way configurations, it provides precise mixing or diverting control. Constructed from forged brass (CW617N) with EPDM seals, the valve supports manual operation via a handle or automation using the HERZ 7712 3-point actuator. With a 90° control stroke and a PN10 rating, it delivers smooth and efficient performance in hydronic circuits.

  • 🔹 Body: Forged brass (EN 12165 CW617N)
  • 🔹 Seal: EPDM
  • 🔹 Connection: Female threads ISO 7-1
  • 🔹 Nominal Pressure: PN10
  • 🔹 Temperature Range: -10 °C to +120 °C
  • 🔹 Angle of Rotation: 90°
  • 🔹 Torque: ≤5 Nm
  • 🔹 Medium: Water/glycol mixtures (25–50%)
  • 🔹 Versatile use as mixing or diverting valve.
  • 🔹 Simple manual or actuator-based control.
  • 🔹 Reliable EPDM sealing for leak-free operation.
  • 🔹 Compact and maintenance-free design.
  • 🔹 Heating and cooling circuits.
  • 🔹 Domestic hot water mixing.
  • 🔹 HVAC temperature control loops.
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