Mar 26, 2018 / Question about connecting another valve block in series Thread Starter #21 OP S szzuf New member Joined Jan 28, 2017 Messages 10 Location Killdeer Sask Tractor Terex 51-19 Telehandler Gehl 4640 Skid Steer One more question, on an open center system does it deliver high pressure on the return line?