Coolant Valves
Coolant valves enable demand-based control and regulation of coolant flows in the cooling circuits of the drive train and in the heating circuits of the passenger compartment. This can shorten the warm-up phase of the engine, save fuel and reduce CO2 emissions. In hybrid and electric vehicles, coolant valves distribute coolant flows, for example for temperature control of batteries and power electronics.
Beside the use in the automotive sector, the valves are also suitable for other applications such as cooling data centers or smart homes.
With its low flow resistance and compact design, the Pierburg poppet valve offers the ideal solution for a wide range of vehicle applications. Thanks to the modular design, connectors as well as hydraulic and mechanical connections can be designed individually according to customer requirements.
Furthermore, with the option for direct motor mounting, the Pierburg poppet valve can be used as a cost-efficient block valve for split cooling applications. The smallest leaks can be realized by means of the optionally available pressure equalization. Moreover, our valves offer best-in-class durability with more than 8 million operations.
Thanks to the plastic overmolded magnetic coil, we offer the best possible corrosion protection.
2-Way Family
Highlights 2-way coolant poppet valve
- As a poppet valve, best-in-class pressure drop with lowest leaks
- Fail safe open or closed freely selectable thanks to modular principle for "high flow"
- Compact installation space and lowest weight
- Vibration-resistant and can be mounted directly without additional bracket
- Flow rate range freely selectable – precise selection according to application requirements
Highlights 2-way switching valve with position feedback
- Integrated position feedback with SENT/ANALOG output
- Fail safe open or closed freely selectable thanks to modular principle for "high flow"
- Compact installation space and lowest weight
- Flow rate range freely selectable – precise selection according to application requirements
| Technical Data | 2-way coolant poppet valve Standard CSV | 2-way coolant poppet valve High Flow CSV | 2-way switching valve with position feedback Standard CSV |
2-way switching valve with position feedback Flow CSV |
|---|---|---|---|---|
| Operating voltage | 12/24 V | 12/24 V | 12/24 V | 12/24 V |
| Ambient temperatures | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C |
| Media temperatures | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C |
| Flow rate | up to 25 l/min | up to 50 l/min | up to 25 l/min | up to 50 l/min |
| Pressure drop | ~170 mbar at 25 l/min | up to < 75 mbar at 25 l/min | ~170 mbar at 25 l/min | <75 mbar at 25 l/min |
| Max. differential pressure closed | up to 1.5 bar | up to 2.0 bar | up to 1.5 bar | up to 2.0 bar |
| Internal leakage | < 0.05 l/min at 1 bar rel. | < 0.05 l/min bei 1.8 bar rel. | < 0.05 l/min at 1 bar rel. | < 0.05 l/min bei 1.8 bar rel. |
3-Way Family
Highlights 3-way coolant poppet valve
- As poppet valve, best-in-class pressure drop and max. differential pressure realizable
- Fail safe position freely selectable thanks to modular principle
- Compact installation space and lowest weight
- Vibration-resistant and can be mounted directly without additional bracket
- Flow rate range freely selectable – precise selection according to application requirements
- "High flow" valve available with 1 input and 2 outputs as well as 2 inputs and 1 output
Highlights 3-way switching valve with position feedback
- Integrated position feedback with SENT/ANALOG output
- Fail safe open or closed freely selectable thanks to modular principle for "high flow"
- Compact installation space and lowest weight
- Flow rate range freely selectable – precise selection according to application requirements
| Technical Data | 3-way coolant poppet valve Standard CSV |
3-way coolant poppet valve High Flow CSV |
3-way switching valve with position feedback Standard CSV |
3-way switching valve with position feedback High Flow CSV |
|---|---|---|---|---|
| Operating voltage | 12/24 V | 12/24 V | 12/24 V | 12/24 V |
| Ambient temperatures | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C |
| Media temperatures | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C | -40 °C to +140 °C |
| Flow rate | up to 25 l/min | up to 50 l/min | up to 25 l/min | up to 50 l/min |
| Pressure drop | < 300 mbar at 25 l/min | < 200 mbar at 25 l/min | < 300 mbar at 25 l/min | < 200 mbar at 25 l/min |
| Max. differential pressure closed | up to 0,5 bar | up to 2,0 bar | up to 0,5 bar | up to 1,8 bar |
| Internal leakage | < 0,05 l/min at 0,5 bar rel. | < 0,05 l/min at 1,8 bar rel. | < 0,05 l/min at 0,5 bar rel. | < 0,05 l/min at 1,8 bar rel. |
Coolant Block Valves 2W Block-CSV
The block valve is based on Pierburg's poppet valve technology and can be easily integrated into a coolant module as a "snap-in valve". All specific interfaces are implemented and integrated as required. This eliminates the need for separate hydraulic couplings or hoses.Highlights 2-way block switching valve
- Easy assembly and system integration
- Flow rate range freely selectable – precise selection according to application requirements
- 2-way: Fail safe open or closed freely selectable thanks to modular principle for "high flow"
| Technical Data | Normally open | Normally closed |
|---|---|---|
| Operating voltage | 12/24 V | 12/24 V |
| Ambient temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Media temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Flow rate | up to 60 l/min | up to 50 l/min |
| Max. differential pressure closed | up to 2,0 bar | up to 2,0 bar |
| Internal leakage | < 0,05 l/min at 1 bar rel. | < 0,05 l/min at 1,8 bar rel. |
With its innovative valve technology, Pierburg's inline valve enables optimum connection in terms of installation space by eliminating the usual axial offset between the input and output lines. Because the actuator is located in line with the coolant ports, this enables much more compact packaging in the vehicle. The lowest pressure losses of the Pierburg inline valve allow reduced power consumption of the volumetric pump as well as a significantly increased throughput. The patented valve design reduces pumping effects and thus minimizes switching noises.
Highlights 2-way inline coolant swichting valve
- Optimum installation space solution due to coaxial inlet and outlet design
- Flexible assembly in the space over 360°
- Optimized pressure drop performance for flow rates up to 60 l/min (3600 l/h)
- Fail safe open or closed freely selectable thanks to modular principle
| Technical Data | Normally open | Normally closed |
|---|---|---|
| Betriebsspannung | 12/24 V | 12/24 V |
| Umgebungstemperaturen | -40 °C to +140 °C | -40 °C to +140 °C |
| Medientemperaturen | -40 °C to +140 °C | -40 °C to +140 °C |
| Durchfluss | up to 60 l/min | up to 60 l/min |
| Druckverlust | 70 mbar at 25 l/min | 90 mbar at 25 l/min |
| Max. Differenzdruck | up to 3,0 bar | up to 2,0 bar |
| Leckage | < 0,03 l/min | < 0,05 l/min |
Highlights 3-way inline coolant switching valve
- Various fail-safe configurations possible – inline passage or 90° outlet open or closed
- Optimum installation space solution due to coaxial inlet and outlet design
- Flexible assembly in the space over 360°
- Best pressure drop performance for flow rates up to 50 l/min (3000 l/h) for magnetic valve technology
- Use as a switching valve with 1 inlet and 2 outlets or 2 inlets and 1 outlet possible
| Technical Data | 1 inlet & 2 outlets | 2 inlets & 1 outlet |
|---|---|---|
| Betriebsspannung | 12/24 V | 12/24 V |
| Umgebungstemperaturen | -40 °C to +140 °C | -40 °C to +140 °C |
| Medientemperaturen | -40 °C to +140 °C | -40 °C to +140 °C |
| Durchfluss | up to 50 l/min | up to 50 l/min |
| Druckverlust axial | 110 mbar at 25 l/min | 120 mbar at 25 l/min |
| Druckverlust 90° | 115 mbar at 25 l/min | 130 mbar at 25 l/min |
| Max. Differenzdruck | up to 2,0 bar | up to 1,5 bar |
| Leckage bei 1,8 bar rel. | < 0,05 l/min | < 0,05 l/min |
Highlights 2-way ultra high flow inline coolant poppet valve
- Lowest pressure drop despite robust poppet valve technology
- Optimum installation space solution due to coaxial inlet and outlet design
- Fail safe open or closed freely selectable thanks to modular principle
- Pressure-independent switching function via maximum flow rates up to 200 l/min
- Best-in-class (internal) leak values
- Connections up to ø30 mm can be applied
| Technical Data | Normally open | Normally closed |
|---|---|---|
| Operating voltage | 12/24 V | 12/24 V |
| Ambient temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Media temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Flow rate | up to 200 l/min | up to 150 l/min |
| Pressure drop | ~80 mbar at 85 l/min | ~140 mbar at 85 l/min |
| Max. differential pressure | up to 4,0 bar | up to 2,0 bar |
| Internal leakage at 2.0 bar rel. | < 0,03 l/min | < 0,1 l/min |
4-way inline module switching valve
The ever-increasing restrictions on installation space require an even more compact design and the possibility of modular integrations of supporting components, especially in the thermal management of battery-powered electric vehicles. By using the inline valve technology, it is possible to connect and disconnect different paths of cooling circuit branches. The modular connection concept is used to enable direct assembly to the hydraulic consumer. The use of inline valve technology enables an extremely compact and space-saving connection. The valve functions, reliable and safe shut-off or switching of circuits with the lowest pressure drops and maximum requirements on leak tightness, complete this innovative integration of coolant magnetic valves.
Highlights 4-way inline module switching valve
- Simple and compact integration of coolant circuit branches in the thermal management system
- Modular connection to battery housings and other modules with optimum use of installation space
- Extension to 4 ways with two switching positions and further consumers realizable
| Technical Data | 1 inlet & 2(+1) outlet | 2 inlet & 1(+1) outlet |
|---|---|---|
| Operating voltage | 12/24 V | 12/24 V |
| Ambient temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Media temperatures | -40 °C to +140 °C | -40 °C to +140 °C |
| Flow rate | up to 50 l/min | up to 50 l/min |
| Differential pressure rel. | 2,0 bar | 2,0 bar |
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