Thank you for your reply.
I agree that the easier way is to buy from a monogrammed supplier but especially for small valves is necessary reduce the impact on product cost generated form API 20E bolting.
I believe that the same bolting with same quality level from a non monogrammed supplier could...
With reference to API 6A Valve monogrammed products the bolting must be in accaordance to API 20E and API 20F specification.
The Bolting supplier shall be API 20E licenseed or can be also without licensee ?
I understand from API 6A that the bolting must be in accordance to API 20E/F specs but...