Boerger Variocap Pump

Rotary Lobe Pumps

Variocap

The Variocap provides a simple and effective solution for installing overpressure protection on Börger pumps. Through a purely mechanical process, it safeguards the pump from uncontrolled pressure surges while maintaining reversibility.

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Categories: boerger, Manure Separaters, Pumps

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Effective Overpressure Protection

The Variocap is installed on the pump in place of the quick-release cover.

When the pressure in the pump chamber exceeds a specified maximum, the Variocap opens, allowing the pumped medium to flow back from the pressure side to the suction side, thereby equalizing the pressure.

Once the pressure in the pump chamber drops below the defined limit, the Variocap closes again.