... ,SF440A,A105 2.Size:1/2"-40" 3.Type:weld neck 1. Type:plate,slip-on,welding neck,threaded,socket weld, lap ... welcome all the companies in the world to do business with us based on mutual benefits. Sure,we can do custom design ... as well. Looking forward to your enquiry ! flange,Weld Neck Flange with ...