Swing check valves
Size range(s)
NPS 2 - 48
(DN 50 - 1200)
Pressure rating
ASME Classes
150 - 1500
Standard connections
Flanged
Features and benefits
- Body and cover: Precision machined castings. 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: 1/4” raised face.
Finish 125-250 AARH for all valves