| Type | Non-Return Valve (Check Valve) |
| Nominal Size | 1 Inch |
| Nominal Pressure | 2500 LB |
| Construction | Lift piston, Pressure-sealed Bonnet |
| Connection | RTJ |
| Design & Manufacture | API 602 |
| End to End | ASME B16.10 |
| Flange Dimension | ASME B16.5 |
| Test & Inspection | API 598 |
| Body Material | ASTM A105 |
| Media | W.O.G. |



Source: https://www.kellyvalve.com/pressure-seal-lift-check-valve-1-in-2500-lb-api-602.html