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 
Model Cushion Auto switch mounting Bore size (mm) 12 16 20 25 12 16 20 25 Standard stroke (mm) Port size Lubrication Action Model Rubber Air 10-CQSXB12 10-CQSXB16 10-CQSXB20 10-CQSXB25 11-CQSXB12 11-CQSXB16 11-CQSXB20 11-CQSXB25 Relief type Vacuum suction type 5, 10, 15, 20, 25, 30 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 Non-lube Double acting single rod M5 x 0.8 5, 10, 15, 20, 25, 30 5, 10
st 10 st 10 st 10 st 5 st 5 st 5st 5 st 5 st M4 x 0.7 6 6 9 10 12 5 60.5 27 54.5 13.5 24 50.5 22 44.5 8.5 19 4 7 14 5 10 M4 x 0.7 14 5 53 63 23.5 28.5 47 57 8.5 13.5 20.5 25.5 4 10 15 6.5 12 M6 x 1.0 20 8 61 71 24.5 29.5 52 62 9.5 14.5 23.5 28.5 5 12 18 8 16 M6 x 1.0 24 10 67.5 77.5 27.5 32.5 57.5 67.5 10 15 27.5 32.5 5 14 20 10 20 Double clevis bracket material: Carbon steel For details
5st 5 st 5 st 10 st 10 st 10 st 10 st 10 st M4 x 0.7 6 6 9 10 12 5 50.5 22 44.5 4 7 14 5 10 8.5 19 60.5 27 54.5 13.5 24 M4 x 0.7 14 5 53 23.5 47 4 10 15 6.5 12 8.5 20.5 63 28.5 57 13.5 25.5 M6 x 1.0 20 8 61 24.5 52 5 12 18 8 16 9.5 23.5 71 29.5 62 14.5 28.5 M6 x 1.0 24 10 67.5 27.5 57.5 5 14 20 10 20 10 27.5 77.5 32.5 67.5 15 32.5 Double clevis bracket material: Carbon steel For details
67.5 72.5 37.5 62.5 10 5 14 20 10 20 5 22.5 M6 X 1.0 10 Refer to p.2.3-18 for rod end nut and option bracket.