Clapet de non-retour à battant en acier moulé pour applications nucléaires

Caractéristiques et avantages

Disponible pour les classes nucléaires 1, 2 et 3 et les applications liées à la sécurité.

Traduction à venir: Caractéristiques de la conception

• Body and cover castings are precision machined. Exclusive: Disc shaft does not penetrate body.
• Body and cover joint accurately machined. Fully-enclosed gasket.
• Disc: Robust one-piece construction to withstand the severe shock of check valve service. Hardfaced with 13Cr, CoCr alloy, SS 316, or Monel, ground and lapped to a mirror finish. Sizes NPS 2–6 (DN 50–150) may have solid CA 15 (13Cr) disc. SS 316 disc with CoCr alloy facing also available.
• Disc assembly: Non-rotating disc is fastened securely to disc hanger with a lock nut and cotter pin. Disc hanger is supported on a sturdy disc carrier hinge pin of excellent bearing qualities. All parts are accessible from top for easy servicing.
• Flanges
  ASME Classes: 150–300: 1⁄16” raised face.
  ASME Classes: 600–1500: ¼” raised face.
  Finish: 125–250 AARH for all valves.