发明申请

SLOW-SHIFT SPM VALVE
摘要:
A subplate mounted (SPM) valve includes a valve body having pilot port, a piston configured to be actuated by fluid from the pilot port, a first control chamber and second control chamber each formed in the valve body and fluidicly isolated from the pilot port, a first flow restrictor fluidicly disposed between the first control chamber and the second control chamber and configured to restrict flow in at least one direction between the first control chamber and the second control chamber, a cage coupled to the valve body and having a supply port, a return port, and a work port, and a spool slidably engaged with the cage and configured to selectively restrict flow between the supply port and the return port by actuation of the piston.
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