... Flange, Loose Hubbed Flange, Welding Plate Flange, Welding Neck Collar, Welding On Collar, Loose Plate Flange, Companion Flange ... colored electroplate, powder coating and so on.PackingPlywood case,wooden case,palletDeliveryUsually within one week after receiving the formal order ... Class :300, 400 , 600 , 900* API 6A :WELDING NECK FLANGE, THREAD FLANGE,BLIND FLANGE.Pressure :2000Psi, 3000Psi, 5000Psi, ...