| Type | Non-Return Valve (Check Valve) |
| Nominal Size | 3 Inch |
| Nominal Pressure | 300LB |
| Construction | BB, Swing Type Disc, External Pin |
| Connection | Flanged |
| Design & Manufacture | BS 1868 |
| Face to Face | ASME B16.10 |
| Flange Dimension | ASME B16.5 |
| Test & Inspection | API598 |
| Body Material | WCB |
| Applicable Temp | -29 - 425℃ |
| Media | W.O.G. |




Source: https://www.kellyvalve.com/bs-1868-non-return-valve-astm-a216-wcb-3-inch-300-lb.html