ISO List

You can find out some of the most important fluid power transmission and rotary shaft seal application related ISO Standards in this section. Recommended equipment and seal housing dimensions/tolerances, fluid classification, fluid compatibility, seal storage-handling-installation topics are covered by the listed ISO Standards. In addition you will see which standards are applicable on our standard fluid power seal products.

ISO Standard Reference List

International standardDescriptionProduct group codes
ISO 5597:2018Hydraulic fluid power — Cylinders — Dimensions and tolerances of housings for single-acting piston and rod seals in reciprocating applications – Dimensions and tolerancesRod seals: RS01-RS05, RSB1-RSB3, RSE1-RSE5, Piston sels: PS01-PS04, PSB1-PSB2, PSE1-PSE5
ISO 6195A:2013Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type AWS01, WS02, WS03, WS05, WS06, WSP1, WSP2
ISO 6195B:2013Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type BWC01, WCP2
ISO 6195C:2013Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type CWD01, WD02
ISO 6195D:2013Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type DWW01, WE02, WE05, WE0F
ISO 6195E:2013Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type EWS04
ISO 6547:1981Hydraulic fluid power – Cylinders – Piston seal housings incorporating bearing rings – Dimensions and tolerantesPDC4, PDC5, PDC6, PDC7, PDC8, PDC9, PDP2, PDP3
ISO 7425-1:1988Hydraulic fluid power — Housings for elastomer-energized, plastic-faced seals — Dimensions and tolerances  — Part 1: Piston seal housingsPDC2, PDP1, PDP4, PDP5, PSF1, PDF1, PDF2, PDF3,
ISO 7425-2:1989Hydraulic fluid power — Housings for elastomer-energized, plastic-faced seals — Dimensions and tolerances — Part 2: Rod seal housingsRSF1, RSF2, RSF3, RDF1, RDF2
ISO 10766:2006Hydraulic fluid power — Cylinders — Housing dimensions for rectangular-section-cut bearing rings for pistons and rodsWR01, WR02, BBRH, BBPH, BBRF, BBPF
ISO 3601-2:2016Fluid power systems — O-rings — Part 2: Housing dimensions for general applicationsSTO1, STD1, STD2, STD3, STD4, STX1

Other Relevant International Standards

International standardDescription
ISO 2230:2002Rubber products — Guidelines for storage
ISO 4287:1997Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 4288:1996Geometrical Product Specifications (GPS) — Surface texture: Profile method — Rules and procedures for the assessment of surface texture
ISO 6194-2:2007Rotary shaft lip-type seals incorporating elastomeric sealing elements — Part 2: Vocabulary
ISO 6194-3:2007Rotary shaft lip-type seals incorporating elastomeric sealing elements — Part 3: Storage, handling and installation
ISO 6194-4:2007Rotary shaft lip-type seals incorporating elastomeric sealing elements — Part 4: Performance test procedures
ISO 12922:2012Lubricants, industrial oils and related products (class L) — Family H (Hydraulic systems) — Specifications for hydraulic fluids in categories HFAE, HFAS, HFB, HFC, HFDR and HFDU
ISO 6743-4:2015Lubricants, industrial oils and related products (class L) — Classification — Part 4: Family H (Hydraulic systems)
ISO 6072:2011Rubber — Compatibility between hydraulic fluids and standard elastomeric materials
ISO 7986:1997Hydraulic fluid power — Sealing devices — Standard test methods to assess the performance of seals used in oil hydraulic reciprocating applications
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