Benefits: This solenoid operated valve allows you to easily add another hydraulic circuit to your equipment. Works with Double or Single Acting Cylinders. Can be used on Open, Closed or FPC hydraulic systems. Stackable valves can be combined to add up to 3 additional functions. #8 SAE O-Ring ports ensure solid seal and prevent blockages. Features: 12v DC DIN 43650 Connector (Sold Separately). 6 Ports with #8 SAE (3/4-16) Thread. Max Operating Pressure: 3625 PSI. Flow Rating: 13 GPM.