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:
Temperature (oF) | Maximum Working Pressure (psig) | |
---|---|---|
Pressure Class | ||
125 | 250 | |
-20 to 150 | 175 | 400 |
200 | 165 | 370 |
250 | 150 | 340 |
300 | 140 | 310 |
350 | 125 | 280 |
400 | - | 250 |
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