D-R Check Valve
DR Check Valves are unidirectional used in kill line assemblies. They feature flanged-end connections, H2STrim (DD and EE) and are designed for use in P-U temperature ranges. They feature easy parts replacement, readily available replacement parts and can be repaired in the field without special tooling.
Bill of Material
| Item | Description |
|---|---|
| 1 | Bonnet Nuts |
| 2 | Bonnet |
| 3 | Bonnet Gasket |
| 4 | Spring |
| 5 | Poppet |
| 6 | Seat Seal |
| 7 | Seat |
| 8 | Bonnet Studs |
| 9 | Body |
| 10 | Packing (O-Ring for 5,000 PSI WP) |
| 11 | Seat Screw |
| 12 | Seat Screw Retainer Plate (Not Required for 5,000 PSI WP) |
| 13 | Plate Cap Screws (Not Required for 5,000 PSI WP) |