Nom | Support | Langue | Disponibilité | Date d'édition | Prix | ||
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PDF sécurisé |
Anglais |
Active |
01/04/2021 |
125,00 € |
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Détails
This standard covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for gray iron, ductile iron, bronze, steel, nickel-based alloy, or special alloy butterfly valves. The following two categories of butterfly valves are included: Category A—Manufacturer's rated cold working pressure (CWP) butterfly valves, usually with a concentric disc and seat configuration. Sizes covered are NPS 2 to NPS 60 for valves having ASME Class 125 or Class 150 flange bolting patterns. Category B—ASME class and pressure-temperature-rated butterfly valves that have an offset seat and either an eccentric or a concentric disc configuration. Sizes covered are listed below: for lug and wafer, Class 150 and 300: NPS 2 to NPS 60, for lug and wafer, Class 600: NPS 3 to NPS 60, for double-flanged short and long pattern, Class 150, 300, and 600: NPS 3 to NPS 60, for butt-welding ends, Class 150, 300 and 600: NPS 3 to 60,
Informations supplémentaires
Auteur | American Petroleum Institute (API) |
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Edité par | API |
Type de document | Norme |
Thème | /subgroups/13981 |
Edition révision n° | 9 |
Nombre de pages | 34 |
Remplace | API Std 609,API 609 |
Mot-clé | API Std 609 |