YOULI Sectional Valves Posted on October 4, 2017October 4, 2017 by Geoff Foster Youli Hydraulics - click to visit their website. C&C Hydraulics can now offer the SN-3, SN-4, SN-5, SN-6 & SN-8 sectional valves. Please click the images below to view the full specifications (PDF.) YOULI SN-3 YOULI SN-4 YOULI SN-5 YOULI SN-6 YOULI SN-8 Posted in News.