... WN flange,stainless steel flange) 1)Name: Weld neck flange.Forged steel.2) Size: 1 ... threaded, welding neck, socket welding, blindInner packing: Plastic bag or as per customers' requestsOuter packing: Carton ... requestsWelding Neck Flange (stainless steel flange,WN flange),weld neck flange.Certification: API 6D, API 607, ... 1277, ISO 901:2000, ISO 14001 Weld Neck Flange (WN flange,stainless steel flange)