ISO 4393:1978


Note: Latest version: ISO 4393:2015

Existing or new amendments and versions must be purchased separately.



It specifies the preferred series of piston strokes for application to single-acting and double-acting, hydraulic and pneumatic fluid power cylinders. The figure shows the identification of piston strokes. It tabulates piston strokes from 25 mm up to and including 500 mm. If an extension of the series shown is required, use the rounded-off R 10 series of values as shown in ISO 497.

Products specifications

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Period for objection until:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher: ISO
  • Distributor: ISO
  • ICS: 23.100.20
  • International TC: ISO/TC 131/SC 3

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