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| Nucon 2-port poppet valves fulfill many requirements not covered by other types of valves. They are simple 'on-off' valves and two would be required to control the supply air, and the exhaust to and from a single acting cylinder. A double-acting cylinder would require four valves. |
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| Two-port valves are particularly suited for locking purposes on hydro-pneumatic circuits. When so used the port connections are normally reversed. The ports should also be reversed when these valves are used pneumatically at pressures up to 10 bar. |
