For pumps, the most common reason for failure is dry running, which damages the mechanical seals and bearings. The Grundfos LiqTec™ is an electronic pump protection unit that prevents the pump from dry running and reduces the rate of failure.
The LiqTec™ can be used for protection against high liquid and motor temperature. The sensor prevents excessive liquid temperatures above 266 °F from damaging the pump. In addition, the LiqTec™ can also be connected to the motor’s thermistor or PTC. If motor temperature exceeds a certain level, the sensor will stop the pump immediately.
The LiqTec™ is designed to be used with CR, CM and MTR pumps in water applications.
The LiqTec™ is recommended for critical applications or those with a higher risk of dry running due to supply inconsistency. Such applications include:
- Boiler feed
- Process industry
- Health services
Features and Benefits
- Reduces the risk of break down by 50 percent
- Easy to install
- Automatic Start
- Fail safe design
- 80- 130 V; 50/60Hz
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