hardness for gate valves bonnet 10k

[petrotesting taha]

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

 

[jmec87]

Look in API 6A - it is easily found. If something is unclear, feel free to ask for clarification.

 

[petrotesting taha]

thanks a lot sir