Pilot operated lock valves

1/2" Pilot operated lock valve
$169.00
Prince model RD-1450 double pilot operated lock valve. This valve will lock a cylinder in place when a directional control valve is in the neutral position. In operation oil is directed to one of the valve ports and oil can flow freely to the corresponding cylinder port. The pressure on this valve port will shift the pilot spool, opening the opposite check valve. 30 GPM Max inlet flow, 3000 PSI max pressure. 4:1 pilot ratio. 1/2" NPTF ports.

3/4" Pilot operated lock valve
$169.00
Prince model RD-1475 double pilot operated lock valve. This valve will lock a cylinder in place when a directional control valve is in the neutral position. In operation oil is directed to one of the valve ports and oil can flow freely to the corresponding cylinder port. The pressure on this valve port will shift the pilot spool, opening the opposite check valve. 30 GPM Max inlet flow, 3000 PSI max pressure. 4:1 pilot ratio. 3/4" NPTF ports.