QBS Pressure Control Valve
Proportion-Air is always striving to improve their product. The most recent improvement is with the accuracy of the QB1S and QB2S series electronic pressure control valve.
The accuracy of this series of proportional valve was +/- 1% of full scale calibration. The improved version has an accuracy of +/- 0.5% of full scale calibration.
Contact Proportion-Air at the factory if you have any questions about their products or how you can use them to improve your process.