International Organization for Standardization (ISO)
Status
Latest
ISO 8242:1989
Scope
Deals with current types of polypropylene (PP) valves and should be used as guidance by manufacturers and users. Specifies the series of diameters to be used and the basic dimensions, which are common to all types of polypropylene (PP) valves for pipes under pressure for the transport of fluids, regardless of their method of manufacture and composition.
ISO 8242:1989 history
1989ISO 8242:1989 Polypropylene (PP) valves for pipes under pressure; basic dimensions; metric series