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Temperature
Pressure - Temperature Ratings
•
Ratings apply to all products covered by ANSI B16.5 valves conforming to the requirements of this standard must, in other
respects, merit these ratings.
•
All ratings are maximum allowable non-shock pressures (PSIG) at the tabulated temperatures (degree Fahrenheit).
Temperatures are those on the inside of the pressure retaining structure.
•
The use of these ratings requires gaskets conforming to the requirements of ANSI B16.5. The user is responsible for selecting
gaskets of dimensions and materials to withstand the required bolt loading without injurious crushing, and suitable for the
service conditions in all other respects.
Pressure Class
150
300
Test Pressure
425
1100
Service Temperature
Working Pressure
-20 to 100
275
720
150
255
710
200
240
700
250
225
690
300
210
680
350
195
675
400
180
665
450
165
650
500
150
625
550
140
590
600
130
555
650
120
515
700
110
470
750
100
425