Forging-Swivel-Ring Flanges LYGM Subsea Oil Equipment Tech. Co., Ltd. Base Info Model NO.:1,2"-120" 150#-2500#Standard:API 17D,MSS SP-44Type:Swivel-Ring FlangeMaterial:Stainless SteelTrademark:LYGM,LPETCSpecification:API 6A, API 17D, NACE MR0175Origin:ChinaHS Code:7307230000 Description Pre:Metal Insulation Anchor Next:Wave Spring Mechanical Seal