FESTO offers several types of Pneumatic Cylinders based on each application. The most common Cylinders are ISO Cylinder (DNC and DSBC) , Compact Cylinders (ADVU and ADN) , Round Cylinders (DSNU and ESNU) , Flat Cylinders (DZH) , Clean / Hygenic Cylinders (CLR) , Guided Cylinders (DFM and ADNGF) , Rodless Cylinders (DGC and DGC-K) , Stopper Cylinders (DFST and DFSP)

FESTO Cylinders mainly require 3 dimensions -
Bore : Cylinder Width
Stroke : Piston Rod length when it is extended (excluding the threading)
Piston Threads : Male or Female threads on the Piston Rod Refer to the series drawing for exact dimensions of each series

Most of FESTO Cylinders offer Seal Kits (all consumable parts (Seals) which are generally worn out with use). By chnaging the seal kit - you can repair the cylinder In order to Repair a cylinder - procure the Cylinder Seal kit using the Bore Size (width of the cylinder). It will have a manual to show how to change the seal kit. Alternative you can also contact FESTO Authorised Distributors - who provide the Cylinder Repair services