Body & Connections
- Forged-brass valve body manufactured from EN 12165 CW617N.
- Female threaded connections according to ISO 7-1.
- Compact construction for hydronic system installation.
3-Way Mixing Valve
HERZ 2137 3-Way Mixing Valve
2137 Series — Forged Brass PN10 Mixing Valve
HERZ 2137 3-Way Mixing Valve from HERZ Armaturen is a durable forged-brass valve designed for temperature regulation in heating, cooling, and hydronic systems. Its EPDM sealing, 90-degree control stroke, and low operating torque support smooth mixing or diverting control, with operation available through a manual handle or the compatible HERZ 7712 three-point actuator.
Manufactured by
HERZ Armaturen
HERZ 2137 3-Way Mixing Valve
Review the confirmed product information, including description, features, benefits, and applications.
HERZ 2137 3-Way Mixing Valve from HERZ Armaturen is a durable forged-brass valve designed for temperature regulation in heating, cooling, and hydronic systems.
The 2137 Series is available in three-way and four-way configurations and supports precise mixing or diverting control in water-based temperature-control circuits.
Its forged-brass CW617N construction and EPDM sealing support dependable operation, while the 90-degree control stroke and operating torque of no more than 5 Nm enable smooth valve positioning.
The valve can be operated manually using a suitable handle or automated with the compatible HERZ 7712 three-point actuator. Its PN10 rating and female threaded connections make it suitable for compact hydronic heating and cooling installations.
Pressure & Temperature
- Nominal pressure rating: PN10.
- Operating temperature range from -10°C to +120°C.
- Suitable for heating and cooling circuits.
Control & Operation
- Available in three-way and four-way configurations.
- Suitable for mixing or diverting control.
- Control angle of rotation: 90°.
- Required operating torque: no more than 5 Nm.
Sealing, Media & Actuation
- EPDM sealing system.
- Suitable for water and water-glycol mixtures.
- Glycol concentration range from 25% to 50%.
- Supports manual operation using a handle.
- Compatible with the HERZ 7712 three-point actuator.
Versatile Flow Control
The valve supports both mixing and diverting duties in heating, cooling, and hydronic control circuits.
Manual or Automated Operation
Operation is available through a manual handle or the compatible HERZ 7712 three-point actuator.
Reliable EPDM Sealing
The EPDM sealing system supports dependable and leak-resistant valve operation.
Low Operating Torque
The operating torque of no more than 5 Nm supports smooth manual control and efficient actuator operation.
Durable Brass Construction
Forged-brass CW617N construction supports long-term use in heating and cooling water systems.
Compact System Integration
The compact threaded design supports straightforward installation in hydronic temperature-control systems.
The HERZ 2137 valve is designed for hydronic systems requiring controlled mixing or diverting of water and water-glycol mixtures for temperature regulation.
Heating & Cooling Circuits
Heating and cooling water circuits requiring controlled mixing or diversion of system flow.
Hot-Water Mixing
Domestic hot-water systems requiring controlled mixing for water-temperature regulation.
HVAC Temperature-Control Loops
Hydronic HVAC control loops using manual operation or the compatible HERZ 7712 three-point actuator.
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