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This standard classifies control valve stem seals by their ability to withstand mechanical and thermal cycles at a specified set of temperature and pressure conditions. Bellows, diaphragms, and tublar seals are not covered by this standard.
| Author | ANSI |
|---|---|
| Editor | ANSI |
| Document type | Standard |
| Format | File |
| Confirmation date | 2010-08-05 |
| ICS | 23.060.40 : Pressure regulators
|
| Replace | ANSI/FCI 91-1 (1997) |
| Year | 2010 |
| Document history | ANSI/FCI 91-1 (2010) |
| Country | USA |