The table below represents presure ratings for this cap across our stock materials. Pressure ratings are calculated as per ASME B31.3 and are valid up to 600 deg F.
| Material | 
Pressure Rating (psig) | 
| Carbon Steel | 
1,500 | 
| 304 Stainless | 
1,300 | 
| 316 Stainless | 
1,300 |