Highly accurate miniature proportional valve

Written by: Tom Austin-Morgan | Published:

Emerson has introduced the Preciflow 12.7mm miniature proportional valve by ASCO Numatics, that is claimed to feature one of the smallest footprints on the market combined with highly accurate flow control – suiting it to a range of applications, particularly those in the analytical and medical industries.

The valve is RoHS compliant with a pressure range of -0.9 to 10bar, thanks to its small size and light weight, the valve is said to be easy to integrate into existing systems, and operation can be customised according to customer requirements.

The Preciflow proportional valve integrates key features that result in reduced wear and tear, increasing its life-span and ensuring its accuracy over time. This includes two internal flat springs that allow the core to float freely, minimising friction during operation.

With typical hysteresis rated at 5%, Preciflow 12.7mm provides accurate and repeatable control. Its suitability for oxygen service use makes it an ideal solution for gas chromatography and mass spectrometry applications, and its low power consumption offers added value to end users.


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