Quick exhaust valve is installed in the inlet of a spring return or double acting pneumatic cylinder. It Supplies air from a control valve directed into the inlet port of the exhaust valve. The Buna-N poppet seals the exhaust port and allows air to flow from the outlet port of the valve into the cylinder. The pressurized air pushes against the piston and extends the rod, compressing the spring, until full rod extension is achieved.
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