Thursday, 29 Mar 2018

Butt strap

butt strap

Define butt strap: a strap or plate covering a butt joint and secured to both pieces. A lap-seam has its rivets staggered while a butt-strap joint has them in columns. Fig 7 Closed steel fabrication: butt joint, single lines of sealant. Fig 8 Open steel fabrication: lap joint, single sealant strip (steel). Fig 9 Welded butt strap on aluminium bullnose. – show twin seals. Laps/junctions. Lap joints form the simplest joint in open shape flashings. Lap joints in closed shape fabrications that do not. butt strap Fig 7 Closed steel fabrication: butt joint, single lines of sealant. Fig 8 Open steel fabrication: lap joint, single sealant strip (steel). Fig 9 Welded butt strap on aluminium bullnose. – show twin seals. Laps/junctions. Lap joints form the simplest joint in open shape flashings. Lap joints in closed shape fabrications that do not. Aluminum Butt Strap is used to seal circumferential joints of aluminum jacketing on insulated piping. permits removal of the butt strap after welding is shown in. figure 37, view A. This technique is used for applications where. a butt strap would interfere with the operation of internal. mechanisms. It permits welding a single V joint in homogeneous. armor plate without welding the butt strap to the weld metal. This technique.