breaker34
Mechanical
- Mar 31, 2010
- 24
What class under ASME B16.34 would ball valves with ratings to 15-20k have? I do not see a material in B16.34 that can be rated so high. Does 16.34 take us to 4500 special class then above 11,250psi do other standards then need to be followed? How about an API spec?