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The Festo SEU-1/4 is a pneumatic quick exhaust valve that releases compressed air directly from a system rather than sending it back through the control valve. This helps pneumatic cylinders move faster and respond more smoothly, especially during exhaust strokes where speed matters. It is a small, straightforward component that does one job well: remove trapped air quickly so actuators don’t slow down or hesitate.
When air pressure is applied, the valve allows flow toward the actuator as usual. When pressure is released, the internal mechanism opens an exhaust path, allowing the air to exit immediately at the valve location rather than travelling back through long air lines.
The SEU-1/4 uses a standard 1/4-inch threaded connection, making it easy to install directly onto pneumatic cylinders or close to actuators. Its compact body fits easily in tight machine layouts where space is limited.
It is usually added when a system works but feels slow or unresponsive during exhaust.
For more information please check the datasheets.
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£ 0.000
