ISO 7425-1:1988 Preview
Hydraulic fluid power -- Housings for elastomer-energized, plastic-faced seals -- Dimensions and tolerances -- Part 1: Piston seal housings
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
This part specifies the dimensions and associated tolerances for a series of housings to accomodate seals used in reciprocating applications. Does not stipulate details of seal design. This part applies only to the dimensional characteristics of products. Does not apply to their functional characteristics. Figure 1 contains an example of housing. Table 2 covers dimensions and tolerances of housings for bore diameters from 16 to 500 mm.
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