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 
10 6 3.5 1.5 (1) 6 3.5 22.5 9.5 27 11 11 9.5 0.5 24.5 7 5.5 3.5 (1) 7 5.5 ( ): Denotes the values of D-A93.
7.5 2.5 10 7.5 24.5 25 7 7 3.5 (1) 5.5 5.5 24.5 11 9.5 0.5 11 9.5 26.5 ( ): Denotes the values of D-A93.
Rod side mounting/With auto switch Head side mounting/With auto switch C D Mounting bolt Model C D Mounting bolt Model CDQSB12-5D -10D -15D -20D -25D -30D CDQSB16-5D -10D -15D -20D -25D -30D CDQSB20-5D -10D -15D -20D -25D -30D -35D -40D -45D -50D CDQSB25-5D -10D -15D -20D -25D -30D -35D -40D -45D -50D CDQSB12-5D -10D -15D -20D -25D -30D CDQSB16-5D -10D -15D -20D -25D -30D CDQSB20-5D -10D
Note) For wear ring A of 10, please consult with SMC. Seal kit includes a grease pack (10: 5 g and 10 g, 15: 10 g). Order with the following part number when only the grease pack is needed.