The double acting valve controller CV4 series is used to control pinch double acting valve such as V30, V31. It is equipped with a circuit to maintain the dispensing input signal. The signal output is provided as a standard function. Complete protection from staining of adhesives is ensured with the use of stainless steel chassis. The dispensing can be checked by pressing the test switch on the panel. It is possible to obtain dispensing time which is stable and have good setting reproducibility by using a 0.01 second digital quartz timer. The timer range can be easily changed using an internal switch.