| Operating temperature ranges |
| Buna N seals |
-40° to 250°F (-40° to 121°C) |
| Viton seals |
-20° to 450°F (-29° to 232°C) |
| Inlet port |
1/4” MNPT
|
| Vent port |
1/4” MNPT or FNPT |
| Relief pressure ranges |
100- to 150-PSIG
(6.9- to 10.3-BARG) |
| |
150- to 250-PSIG
(10.3- to 17.2-BARG) |
| |
250- to 350-PSIG
(17.2- to 24.1-BARG) |
| |
350- to 600-PSIG
(24.1- to 41.4-BARG) |
| |
600- to 900-PSIG
(41.4- to 62-BARG) |
| |
900- to 1,500-PSIG
(62- to 103.4-BARG) |
| |
1,500- to 3,000-PSIG
(103.4- to 206.8-BARG) |
| |
3,000- to 5,000-PSIG
(206.8- to 344.7-BARG) |
| |
5,000- to 10,000-PSIG
(344.7- to 689.5-BARG) |
Right angle relief valves are pressure balanced internally and pressure referenced to atmosphere. This yields insensitivity to downstream pressure and permits the valve to be used as an accurate back-pressure regulator.
