Hydraulic Control Valve Stuck

If the clearances between the spool and bore become invaded by hard particles silt or soft particles varnish and sludge more force is required to move the spool.

Hydraulic control valve stuck.

Mophorn hydraulic valve 2 spool hydraulic joystick control valve 11gpm double acting cylinder spool bsp. Find inlet outlet and work sections here as well as solenoid and mechanical hydraulic utility sections and more. Valves and lifters function as part of a vehicle s valve system. Why hydraulic spool valves stick the radial clearance between the spool and bore in common garden variety directional control valves ranges between 3 and 13 microns.

Valve stems can stick either permanently or sporadically due to heavy varnish on the valve stem or weak return springs. Free shipping on eligible orders. Ruggedmade 25 gpm hydraulic log splitter directional control valve auto return detent lever handle 2750 psi 1 2 work ports. 4 2 out of 5 stars 23.

When working on a specific machine refer to a machine s technical manual for more information. Get modular hydraulic manual stack valve systems at grainger. Stacking feature allows you to control up to eight functions from one station. The following lists information when troubleshooting relief pressure reducing pressure sequence and unloading valves.

Valves open and close allowing compression for the power stroke and the release of exhaust gases.