Thank you MJCronin & weldstan.
Thanks for your explanation.
1. So if I understand correctly. Manufacturers can typically deliver less than 0.2% of copper in a283 unless the buyer or customer specifies a specific quantity.
2. My question was about the amount of copper specified in standard a283...
I have a technical question about the amount of copper in A283 sheets.
In standard A283, the amount of copper is specified as at least %0.2. Of course, it is said that when copper is specified. Can anyone advise if the buyer does not specify the amount of copper to the manufacturer, the...
Thanks to SPDL310 for their guidance. The oil operator in our company emphasizes the repair of some choke valves due to passing leaks in the workshop. Arguing that they are ultimately VALVE emphasizes that they should be tested. My source was api 6a. And to some extent I agreed. I have worked...
Thx for your tips.
1. That is, it never closes completely? Even in the adjustable type that 'removable seat' has?
2. So my conclusion from the standard(api 6a) is correct that it only has a body test(hydrostatic test)?
Does anyone know why choke valves (specifically adjustable choke valve) does not have a seat test?According to the standard api 6a, Table 30 of the 2018 edition, only the body test is defined for them. (Api 6a-2018,Section 14.15.4 refers to Section 11, which sets the test priority according to...
