Pressure Temperature Rating as per ASME B16.34

A 182 F22- A 217 WC9

°C

Working pressure (bar) by classes

150

300

600

800

900

1500

2500

-29  -3820.051.7103.4137.9155.1258.6430.9
9317.949.398.6131.7148.224.8411.3
14915.946.593.4124.5140.0233.4388.9
20413.844.889.3119.3134.1223.4372.3
26011.744.1

88.3

117.6132.4220.6367.5
3169.741.783.4111.4125.1208.6347.5
3438.640.781.0108.2121.7202.7338.2
3717.639.378.3104.5117.6195.8326.1
3996.636.573.497.9110.0183.4305.4
4275.535.270.093.4105.1175.1291.6
4544.533.467.289.6100.7167.9279.9
4823.431.062.182.793.1154.8258.2
5102.426.252.169.377.9130.0216.8
5381.418.636.949.355.592.4153.8
5661.413.827.636.541.068.6114.5
5931.47.915.520.723.439.065.2
6211.47.214.119.021.435.559.3
6491.43.87.610.011.419.031.7
677-------
704-------
732-------
760-------
788-------
816-------

A 182 F22: permissible, but not recommended for prolonged usage above about 593°C

A 217 WC9: not be used over 593°C