Design
Cast swing check valve to BS 1868 with bolted cover. Internal hinge pin mounted design. Bigger sizes with anti-slam/dash pot arrangement (optional). With graphite gasket. Seating surfaces 13% Cr steel/stellite hard-faced. Pressure/temperature ratings to ASME B16.34. Flanged/butt weld ends to ASME B16.5/ ASME B16.25 standards. Face-to-face length to ASME B16.10, valve testing in compliance with API 598. Available in carbon steel, low-alloy and stainless steel.
Application
Power stations, general industry and process engineering. For water, steam, oil, gas and non-aggressive fluids. Other applications on request.
Overview of technical data
Class(es) | 300; 600;150 |
Maximum temperature | 593 002 |
DN max. | 600 |
Body/bonnet seal element | Internally and externally confined seal |
Design standard | BS 1868 |
DN min. | 50 |
Valve disc/plug material | Metal- to-metal seat |
eClass assignment | 37010802 |
Size(s) (NPS) | 2" - 24" |
Threaded-end design | Flange design; butt weld end design |
Body design | Straight pattern body |
Body material | Cast stainless steel; Cast steel |
Trim | 13 Cr; 304 SS;Stellite |
Pressure/Temperature Rating | ASME B16. 34 |
Body material(s) (ASTM standard) | WC6; CF8;WCB |
PN max. | 104 |
Main applications | Energy; Industry and process engineering;Oil / Gas |