petrotesting taha
Mechanical
- Jul 6, 2020
- 6
dear ALL
I want to know API 6A SPECIFIC REQUIREMENTS details regarding the minimum values of HBW for gate valves bonnet .
if any body can advise .
thanks
I want to know API 6A SPECIFIC REQUIREMENTS details regarding the minimum values of HBW for gate valves bonnet .
if any body can advise .
thanks