Webb7 okt. 2005 · Backing Rings : The Robvon Commercial Backing Rings are designed for quick, easy alignment of pipe, tube, fittings and valves and assure precise, close tolerance fit-up. They allow complete penetration and fusion of the weld and radiograph perfect certified welds. Conspacer ® Webb10 okt. 2007 · There is not much time difference between open butt and backing rings. We use split rings. Larger pipes are more prone to be out of round AKA egg shaped. Continuous machined rings may not work well. I prefer open butt, specs require rings. Fit up of rings are quick and easy if both pipes are round and same ID. Root pass is easier if …
Backing Ring - piping-designer.com
Webb28 juni 2007 · Hello All-This is a pressure pipe question, but really pertains to welding metallurgy (I think!).I had a lively discussion recently on the importance of correct and correctly fitting backing rings and the several … Webb22 aug. 2007 · Backing rings are pre formed metal rings that fit to the inside of the pipe. They can have a spacer pin for gap spacing. Approx. 1/8" thk, 1" wide, gap pin 3/16" pin is … haley sutherland
Backing Ring-Flange Megapolytech
Webb6 aug. 2002 · Welds with backing rings can be radiographed. There is a chance of obscuring a defect, but not much. As long as the backing ring thickness is included in the time calculations and the appropriate density is obtained in the film, there should not be in issue. Radiography and magnetic particle testing serve two distinctly different functions. Webb1.Backing Ring for HDPE For put on HDPE pipe to assembly Stubend set reference DIN (Germany), JIS (Japan), ANSI (USA) standard 2.Stub End Set Half Set Stub End For … WebbA back-up ring, with protruding knock-off pins is available to space and back up the welds. Full penetration butt welds or fillet welds shown are commonly used for splicing pipe piles. Pipe piles can also be spliced with patented splicers similar to the one shown. This splicer is fabricated from ASTM A 36 steel and is designed with a taper for ... haley surgery