flange 4 (4-116) api-5000# wn rtj sch 120 a105n

api 5000API 5000, 10000 are used in reference to wellhead 'christmas tree' pressure ratings as well used for the wing valve, master valve ratings. There may be hher classes asAPI 5000 FLANGE DIMENSIONS INDUSTRIES AND APPLICATIONS WIDELY USED IN THE INDUSTRIES Pumps, Valves, and vessels in manufacturing and food processing. Pipe