search PRODUCTS LOGIC TO SUN CROSS-OVER ABOUT US HISTORY REQUEST QUOTE CONTACT Special Products Chain Slack Valves For lift truck applications. The chain slack valve maintains pressure in the main lift cylinder to prevent a sudden load dropping due to slack in the lift chain that was created by the forks being "over lowered". model Rated Flow Maximum Pressure 1648 Up to 30 GPM 3000 psi Pressure Selector Valve For applications requiring an operator to select system pressure. Position of the hand lever allows flow into one of the 3 relief valves for a low, medium or high pressure setting. Each relief is adjustable model Rated Flow Maximum Pressure 8062 25 GPM 3000 psi Crossover Relief Valve Crossover Relief Valve is used to protect hydraulic motors from load induced pressure surges. Direct acting ball type relief. model Rated Flow Maximum Pressure 8078 10 GPM 3000 psi Double Pilot Check Valve Double Pilot Operated Check Valve is used for locking double acting actuators in position until pressure is applied to move the actuator. Check valves are industry standard 10 Series cartridges. model Rated Flow Maximum Pressure DPC Series 15 GPM 3000 psi Circuit Selector Circuit selector hydraulic valve model Rated Flow Maximum Pressure SF1643 15 GPM 3600 psi Home | About | History | Request Quote | Contact Logic Hydraulic Controls 6616 Windmill Way, Wilmington, NC 28405 910-791-9293 | Fax 910-392-5621 | 1sales@logichyd.com ©2019 Logic Hydraulic Controls - All Rights Reserved