The Direct Acting High Speed Servo Valve (DASV) model from Santest, is the fastest acting servo valve presently available on the market. This unique high-speed valve is designed to serve both hydraulic and pneumatic applications with high precision and extremely low power consumption.? The result is high-speed response (1.5 msec from 0 to 100%) and surpassing anti-contamination characteristics (NAS1368 Class 10).