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 standard Description Product group codes
ISO 5597:2018 Hydraulic fluid power — Cylinders — Dimensions and tolerances of housings for single-acting piston and rod seals in reciprocating applications – Dimensions and tolerances Rod seals: RS01-RS05, RSB1-RSB3, RSE1-RSE5, Piston sels: PS01-PS04, PSB1-PSB2, PSE1-PSE5
ISO 6195A:2013 Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type A WS01, WS02, WS03, WS05, WS06, WSP1, WSP2
ISO 6195B:2013 Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type B WC01, WCP2
ISO 6195C:2013 Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type C WD01, WD02
ISO 6195D:2013 Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type D WW01, WE02, WE05, WE0F
ISO 6195E:2013 Fluid power systems and components — Cylinder-rod wiper-ring housings in reciprocating applications — Dimensions and tolerances – Wiper Type E WS04
ISO 6547:1981 Hydraulic fluid power – Cylinders – Piston seal housings incorporating bearing rings – Dimensions and tolerantes PDC4, PDC5, PDC6, PDC7, PDC8, PDC9, PDP2, PDP3
ISO 7425-1:1988 Hydraulic fluid power — Housings for elastomer-energized, plastic-faced seals — Dimensions and tolerances  — Part 1: Piston seal housings PDC2, PDP1, PDP4, PDP5, PSF1, PDF1, PDF2, PDF3,
ISO 7425-2:1989 Hydraulic fluid power — Housings for elastomer-energized, plastic-faced seals — Dimensions and tolerances — Part 2: Rod seal housings RSF1, RSF2, RSF3, RDF1, RDF2
ISO 10766:2006 Hydraulic fluid power — Cylinders — Housing dimensions for rectangular-section-cut bearing rings for pistons and rods WR01, WR02, BBRH, BBPH, BBRF, BBPF
ISO 3601-2:2016 Fluid power systems — O-rings — Part 2: Housing dimensions for general applications STO1, STD1, STD2, STD3, STD4, STX1

Other Relevant International Standards

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