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ASCO™ Numatics Series 438 Round Cylinders
The ASCO Numatics Series 438 are round pneumatic cylinders complying with ISO6431 and are interchangeable with ISO 15552 cylinders assembled with a rear trunnion mounting.
They are suitable for case packing, automotive, packaging, press room and metal stamping.
ASCO™ Numatics Series 438 Round Cylinders


Double Acting, Single Rod, Single Acting, Through Rod
Standards / Regulations
ISO 6431
Body Material
Light Alloy
32 mm, 50 mm, 63 mm, 40 mm
Operating Environment
Indoor, Outdoor
500 mm Max.


  • Wide range of mounting options
  • Equipped for magnetic position detectors and pneumatic cushioning
  • Handles lubricated and unlubricated air