
SMC's CQS clean room, compact air cylinder has 4 bore sizes. Standard strokes range from 5 to 50mm. 10/11-C(D)QS series, available for clean environment, prevents particle generation in a clean room. 21/22-C(D)QS series offers the same structure as the clean series, and are for the environment in which the use of copper, fluorine and silicon are restricted. The 
Specification: 10 (Relief Type), Magnet: D (w/Auto Switch, Built-in Magnet), Bore: 20mm, Stroke: 15mm, Rod End: Standard (Rod End Female Thread), Auto Switch: A93--Reed, DC Volt, AC Volt, LED, Horizontal, Lead Wire: 0.5m (Or None in the Case of No Switch), Number: S (1 pc.)
The CQS compact cylinder is available for those small bore cylinder applications where saving space is a concern. The CQS offers standard long strokes * in four bore sizes from 12 to 25mm. Long stroke versions incorporate a wear band and thicker piston to handle the increased bearing needs of the longer strokes. Both switch capable and non-switch capable body styles are the same, and switches
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