Cast Iron Threaded Pipe Fittings - Working Pressures vs. Temperature
Maximum working pressures for cast iron threaded pipe fittings according ANSI B16.4.
Maximum working pressures of cast iron pipe fittings - threaded fittings according ANSI B16.4:
Maximum Working Pressure (psig) | ||
---|---|---|
Temperature (oF) | Pressure Class | |
125 | 250 | |
-20 to 150 | 175 | 400 |
200 | 165 | 370 |
250 | 150 | 340 |
300 | 140 | 310 |
350 | 125 | 280 |
400 | - | 250 |