![](https://www.sureflowequipment.com/wp-content/uploads/2019/01/5-pressure-temp-rating-charts-2019.jpg)
Seat Material:
A = Virgin PTFE, B = RPTFE
Pressure – temperature seat ratings of valves are as given in the graph for body material A 216 – WCB. With the exception of body seat rings and primary soft seals, all valve components are capable of withstanding the pressure – temperature ratings as specified in ANSI B 16.34; BS 1560: Part II, BS 4504 : Part I or BS 5351 as applicable.
![](https://www.sureflowequipment.com/wp-content/uploads/2019/01/upper-lower-limit-chart-temperature-limits.jpg)