Relief Valve
| Controlled Port | Model |
| A | HR3H-A-D*-025B |
| HR3H-A-D*-03 | |
| B | HR3H-B-D*-025B |
| HR3H-B-D*-03 | |
| P | HR3H-P-B*-025B |
| HR3H-P-B*-03 | |
| HR3H-P-B*-06 |
| Controlled Port | Model |
| A | HR3H-A-D*-025B |
| HR3H-A-D*-03 | |
| B | HR3H-B-D*-025B |
| HR3H-B-D*-03 | |
| P | HR3H-P-B*-025B |
| HR3H-P-B*-03 | |
| HR3H-P-B*-06 |
