90.93 Standard confirmed Sep 12, 2026
ISO
ISO/TC 131/SC 7 Sealing devices
International Standard
23.100.20 Cylinders
This document specifies the dimensions and associated tolerances for a series of hydraulic cylinder rod seal housings to accommodate elastomer-energized, plastic-faced seals used in reciprocating applications.
This document does not stipulate details of seal design, since the manner of construction of seals varies with each manufacturer. The design and material of the seals, and any incorporated anti-extrusion components, are determined by conditions such as temperature and pressure.
This document only applies to the dimensional characteristics of products manufactured in accordance with this document. It does not apply to their functional characteristics.
WITHDRAWN
ISO 7425-2:1989
PUBLISHED
ISO 7425-2:2021
90.93
Standard confirmed
Sep 12, 2026