Doering, Inc. 

Lock Valves

LOCK VALVE, PILOT OPERATED CHECK VALVE HYDRAULIC

Metro’s lock valves, is a pilot operated check valve, is designed to lock a hydraulic cylinder and prevent them from drifting due to hydraulic leak from a directional control valve being in the neutral position or worn hydraulic valves or even a hose failure.

Double Lock Valves: 407, 408 and 409, will lock a hydraulic cylinder in both directions.

Single Lock Valves: 411 and 412, will lock a hydraulic cylinder in one direction.

Applications:

• Loaders, outriggers, backhoes, work platforms and cranes.
• Any hydraulic circuit where you want to hold a cylinder in place with no hydraulic leakage.

Features:

• Rated for 3,000 psi (207 bar)
• Engineered for -22° to 194°F (-30° to 90°C) operating temperatures
• Made in the USA
• Fast 10-day delivery