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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:

Cast Iron Threaded Pipe Fittings - Working Pressures vs. Temperature
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

Convert to other temperature units

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