Stroke allowances with standard cylinders

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Manufacturing without tolerances is not possible, but is at least predictable. This is also the case for pneumatic cylinders.


What is the permissible stroke deviation for standard cylinders?

According to DIN ISO 6432, DIN ISO 15552 and DIN ISO 21287 the stroke length of standard cylinders may deviate from the stated stroke length due to manufacturing tolerances.
These tolerances are always positive. The exact permissible deviations are listed in the tables.

 

Standard piston diameter
[mm]
Stroke length
[mm]
Permissible
stroke deviation
[mm]
DIN ISO 6432 8, 10, 12, 16, 20, 25  ...500 +1.5


 

Standard  piston diameter
[mm]
Stroke length
[mm]
Permissible
stroke deviation
[mm]
DIN ISO 15552 32, 40, 50 ...500 +2
32, 40, 50 500...1250 +3.2
63, 80, 100 ...500 +2.5
63, 80, 100 500...1250 +4
125, 160, 200, 250, 320 ...500 +4
125, 160, 200, 250, 320 500...1250 +5


  

Standard piston diameter
[mm]
Stroke length
[mm]
  Permissible
stroke deviation
[mm]
DIN ISO 21287 20, 25 ...500 +1.5
32, 40, 50 ...500 +2
63, 80, 100 ...500

+2.5