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Home > Mining & Metallurgy Machinery > Lap Joint Flange

Lap Joint Flange

  • Place of Origin:
  • Model Number: 9999404854
  • Brand Name: Lap Joint Flange
Supplier Details
jsengineeringworks-
Company: JS Engineering Works
Tel: 91 - 9999404854 - 98
Address: Plot No.22, Street No.14, Railway Road, Samaypur Delhi Delhi Delhi 110042 India
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Details Description


Lap Joint Flanges:A Lap Joint Flange is a two piece device that is much like a weld-neck flange but also like a loose slip-on flange. One piece is a sleeve called a 'Stub-end" and is shaped like a short piece of pipe with a weld bevel on one end and a narrow shoulder on the other end called the hub. The hub is the same outside diameter as the raised face (gasket contact surface) of a weld neck flange. The thickness of the hub is normally about ¼" to 3/8". The back face of the hub has a rounded transition (or inside fillet) that joins the hub to the sleeve. 


The other piece of a Lap Joint Flange is the backing flange. This flange has all the same common dimensions (O.D., bolt circle, bolt hole size, etc.) as any other flange however it does not have a raised face. One side, the backside, has a slight shoulder that is square cut at the center or pipe hole. The front side has flat face and at the center hole an outside fillet to match the fillet of the "Stub-end" piece. The flange part of the Lap-joint flange assembly is slipped on to the stub-end prior to the sleeve being welded to the adjoining pipe or fitting. The flange itself is not welded or fixed in any way. It is free to spin for proper alignment with what ever it is joining to. 


The "Stub-end" can normally be purchased in two lengths. There is a short version, about 3" long and a long version of about 6" long. It is prudent for the piping designer to know which version is in the piping specification. 


Because of it's two piece configuration, the Lap Joint Flange offers a way to cut cost or simplify work. The cost saving comes when the piping system requires a high cost alloy for all "wetted" parts to reduce corrosion. The sleeve or Stub-end can be the required higher cost alloy but the flange can be the lower cost forged carbon steel. 


The work simplification comes into the picture where there are cases that require frequent and rapid disassembly and assembly during the operation of a plant. The ability to spin that backing flange compensates for misalignment of the bolt holes during reassembly.


Company Profile
M/s J. S. Engineering Works has been established in the year of 2005 and achieve the Annual Turn over Rs. 2.5 Millions with their perfection in Engineering Jobs with out having any Bank Credits.We are into manufacturing of various Hardened & Ground Machine components which routes through Lathe, Milling, Grinding (Internal, Cylindrical and Surface) and Drilling-Tapping machines. Our vital products have been various categories in bearing housing, bearing covers, Jig Bush and shafts (both machining and grinding).Our specialty is in Jigs & Fixtures and Highly Precision jobs like Bushes (Pillar Bush, Axial Bush, and Flange Bush), Shafts, Pins , locking Device, Bearing Puller Disc, Spacers, Thrust plates, Pocket Cover Plate, Oil Seal Bush, Oil Securing Disc, Oil Preventive Disc, Piston Ring Bush, LR Seal Bush and others.We are one of the leading traders of industrial cutting tools and consumable cutting tools of companies like Addison, Sumitomo and Superon etc, which are widely used in diverse industries. Leveraging on our experience and services of experienced workforce, we successfully meet the demands of our clients. In addition to this, we also have with us well developed quality checking department to test the products so that flawless range can be delivered to the end users.Our main vision is to become the most eminent manufacturers in India and around the world.We aim to build and long-lasting and enduring relationship with our clients. We want to become the best at what we do.We have a well developed quality checking unit, which assists us in conducting stringent checks of the procured range. Each and every parts of the products are thoroughly checked to ensure optimum performance at clients end. These measures and other innovative techniques used in our processes of quality assurance ensure that our range meet the exact needs and emerging demands of the industries.