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 
1 5 5.5 7.5 1 [3.5] 6 5.5 9 10 1 5 5.5 7.5 17 19 22.5 24.5 10 9.5 13 14 5 9 9.5 11.5 5 4.5 0.5 1.5 10 9.5 13 14 5 9 9.5 11.5 10 9.5 13 14 5 9 9.5 11.5 0.5 [3] 3.5 [1] 5.5 [3] DDouble Acting, Double Rod 1.5 2 6 7 19.5 21.5 25 27 2.5 3 2 4 12 16 20 25 5.5 5 10 12 3.5 [6] 3 [5.5] 8 [10.5] 10 [12.5] 1.5 2 6 7 5.5 5 10 12 17 19 22.5 24.5 5.5 6 10 11 9.5 9 14 16 0.5 1 4 6 5.5 6 10 11 9.5 9 14 16
(Long stroke) Model C D Mounting bolt CDQSB12-5D CDQSB12-10D CDQSB12-15D CDQSB12-20D CDQSB12-25D CDQSB12-30D CDQSB12-35DC CDQSB12-40DC CDQSB12-45DC CDQSB12-50DC CDQSB12-75DC CDQSB12-100DC CDQSB16-5D CDQSB12-10D CDQSB12-15D CDQSB12-20D CDQSB12-25D CDQSB12-30D CDQSB12-35DC CDQSB12-40DC CDQSB12-45DC CDQSB12-50DC CDQSB12-75DC CDQSB12-100DC CDQSB20-5D CDQSB12-10D CDQSB12-15D CDQSB12-20D CDQSB12
10 12 16 20 5 6.5 8 10 14 15 18 20 7 10 12 14 4 4 5 5 5 5 8 10 * Refer to P.2.3-18 for detail of the rod end nut and mounting brackets.