Naftový a plynárenský průmysl - Kompaktní přírubová spojení s těsnicím kroužkem typu IX (Norma k přímému použití jako ČSN).
NORMA vydaná dňa 1.6.2021
Designation standards: ČSN EN ISO 27509
Classification mark: 451660
Catalog number: 512081
Publication date standards: 1.6.2021
The number of pages: 122
Approximate weight : 397 g (0.88 lbs)
Country: Czech technical standard
Kategória: Technické normy ČSN
This document specifies detailed manufacturing requirements for circular steel and nickel alloy compact flanged connections and associated seal rings, for designated pressures and temperatures in class designations CL 150 (PN 20) to CL 1500 (PN 260) for nominal sizes from DN 15 (NPS 1/2) to DN 1200 (NPS 48), and for CL 2500 (PN 420) for nominal sizes from DN 15 (NPS 1/2) to DN 600 (NPS 24).
NOTE - NPS is expressed in accordance with ASME B36.10M and ASME B36.19M.
This document is applicable to welding neck flanges, blind flanges, paddle spacers and spacer blinds (paddle blanks), valve/equipment integral flanges, orifice spacers, reducing threaded flanges and rigid interfaces for use in process piping for the petroleum, petrochemical and natural gas industries.
This document is applicable within a temperature range from -196 °C to +250 °C.
This document is not applicable for external pressure