
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 
(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
Copper, fluorine and silicone-free + Low particulate generation Action 21 22 Relief type Vacuum suction type D Double acting Rod end thread Nil M Standard (Rod end female thread) Rod end male thread Model Model Bore size (mm) Port size Relief port Action Standard stroke (mm) 10-/21-CQSB12 10-/21-CQSB16 10-/21-CQSB20 10-/21-CQSB25 11-/22-CQSB12 11-/22-CQSB16 11-/22-CQSB20 11-/22-CQSB25 12
Straight type V Elbow type Fitting size One-touch fittings for regulator Straight V 2.5 3 6.5 Elbow W 6 6.5 6 Elbow X 11 11 11.5 Elbow Y 35.5 36 38.5 4, 5/32 6 1/4 8, 5/16 W X Y Note) The O-ring is attached.