All cartridge valves are designed to operate leak-free and come in two, three, and four-way configurations. Flow-control valves include spring-load and pressure-activated valves. Needle or speed-control valves regulate airflow in multievent applications. The basic cartridge-valve design includes a valve poppet and sleeve held by a coil spring. Applications include glass-forming machines, pneumatic-controlled clamping devices, air motors, sorting and selecting machines, leveling systems, and pick and place systems.
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