Data sheets specifies Jacketed Plug valve for Sulfur service as below.
Const : API599 API6D
Plug : A351 CF8M Stainless steel 1.4408
Bolts/Nuts: A193B7/A1942H Bolts/ nuts A4-70
and jacket material as steel 1.00038
what are these 1.4408 and 1.0038 are these ASTM standards
API6D is Specification where as API599 is a Standard, can we use like this
what major difference between specs and standard.
Please let me know if acceptable or not.
Thanks & Regards,
ohm guru namasivaya