Tube expansion
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This document discusses tube expansion, which is defined as eliminating diameter differences between two pipe ends to be joined with welding. The key steps of the tube expansion process include preparing the tube sheet, properly expanding the tubes using a tube expander, and ensuring the expansion is within limits. Tube expansion creates tension between the tube and tube sheet to form a leak-proof joint and can minimize buckling or bending in the tubes.
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Tube expansion
This document is a seminar report on tube expansion submitted by Mr. Naveen D. Unde. It discusses various aspects of tube expansion including definitions, tube sheet preparation, expansion procedures and limits, tips for good expansion, tube expanders and pullers, and tube removal. The report provides information on tube expansion techniques for applications such as heat exchangers and generators.
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This document provides guidelines for properly expanding tubes when installing or repairing heat exchangers, condensers, and other pressure vessels. It discusses determining the correct percentage of tube wall reduction for different materials, how to measure dimensions to calculate wall reduction, and factors that cause tube leaks if not done properly, such as under-rolling or over-rolling tubes. The key recommendations are to roll tubes just enough for the required wall reduction percentage and to ensure clean, lubricated surfaces for a tight seal.
Bending Process
Manufacturing Technology , Bending Process .
Tackles mainly about the definition of Bending process, how does it work, the machines & equipment used to make it work and the application of Bending on manufacturing Industries.
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Fundamental_of_piping.ppt
It is a Tubular item made of metal, plastic, glass etc. meant for conveying Liquid, Gas or any thing that flows.
It is a very important component for any industrial plant. And it’s engineering plays a major part in overall engineering of a Plant.
Seamless vs. welded pipes omar
Seamless and welded pipes are manufactured differently, with seamless being extruded from a billet and welded being produced by rolling and welding a strip. While welded pipe is cheaper, seamless is specified for analyzer sample lines due to potential impurities reducing corrosion resistance in the weld area of welded pipe. Drawing and annealing welded pipe can improve homogeneity and reduce dimensional variation and corrosion, but standards allow variability so seamless avoids any defect in corrosion resistance from the weld.
319027081-Piping.pdf
Piping systems transport fluids through pipes and use various pipe materials depending on the operating pressure and temperature. Selection of pipes is based on the pressure, temperature, and fluid being handled. Common pipe types include electric resistance welded (ERW) pipes, seamless pipes, and centrifugally cast tubes. Pipes are joined through different methods like flanged joints, welded joints, and screwed joints. Various valves like gate valves, globe valves, ball valves, and butterfly valves are used to control fluid flow within piping systems. Fittings help join pipes or allow for changes in flow direction. Gaskets are used to seal joints and their material depends on factors like the temperature, pressure, and fluid properties.
Connection_Design.ppt
The document discusses design requirements for bolted and welded structural connections. Key points include:
1) Connections must be designed for both strength and serviceability limit states. Slip-critical bolted connections resist shear through friction and must not slip under service loads.
2) Bolted connections can be designed as either slip-critical or bearing-type depending on loading conditions. Slip-critical connections rely on pretensioned bolts while bearing connections transmit load through bolt bearing and shear strength.
3) Proper bolt pretension, hole size, edge and end distances must be provided to develop the full strength of slip-critical and bearing-type bolted connections. Weld quality is important for
Connection_Design.ppt
The document discusses design requirements for bolted and welded structural connections. Key points include:
1) Connections must be designed for both strength and serviceability limit states. Slip-critical bolted connections resist shear through friction and must not slip under service loads.
2) Bolted connections can be designed as either slip-critical or bearing-type depending on loading conditions. Slip-critical connections rely on pretensioned bolts while bearing connections transmit load through bolt bearing and shear strength.
3) Proper bolt pretension, hole size, edge and end distances must be considered for bolted connection design according to specifications. Welded connections require quality control due to potential subsurface defects.
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Tube expansion
- 1. TUBE EXPANSION -PALASH P. CHAUDHARI
- 2. CONTENTS ABSTRACT DEFINATION OF TUBE EXPANSION TUBE SHEET PREPARATION PROCEDURE FOR EXPANSION EXPANSION LIMIT TIPS FOR GOOD EXPANSION TUBE EXPANDER TUBE PULLER TUBE REMOVAL CONCLUSION
- 3. ABSTRACT Tube expansion means elimination of diameter differences between two pipe end and are joint with welding .The process is carried out to prevent stress induced in the tubes due to expansion and contraction. The process is also useful to avoid misalignment. In this process tension is created between tube and tube sheet to make the joint leak proof. In some cases buckling and bends are induced in the tubes, which are minimized by tube expansion. Tube expansion has minimum distortion of tube sheet and has high reliability and reduces stress corrosion.
- 4. DEFINATION OF TUBE EXPANSION Definition:-Elimination of diameter difference between the two pipe ends to be joined with welding (girth weld).