YSIQ10 series pneumatic single seat control valve structure is top guiding.The advantage as below: 1.Compact structure 2.Small volume 3.Lighter 4.Sensitive action 5.S type Flow channel, low pressure drop loss, large circulation capacity,flow characteristic precise,easy...YSIQ10 series pneumatic intelligent single-seat control valve is equipped with ZM10 multi-spring high-strength actuator and intelligent valve positioner.