What are Universal & Hinged Expansion Joints

Further to my previous post regarding different types of expansion joints, this post details out 1. Universal expansion joint 2. Hinged expansion joint UNIVERSAL EXPANSION JOINT: Universal expansion joints contain two bellows with multiple convolutions joined by a center pipe or spool. These joints, also known as double or tandem bellows expansion joints are used for the purpose of absorbing any ...

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What is a Simple Expansion Joint

Simple expansion joint is one of different types of bellows used in piping system mentioned in my previous post . BELLOW TYPES: Simple Expansion Joint Universal Expansion Joint Pressure Balanced Expansion Joint Hinged Expansion Joint Gimbal Expansion Joint Below are the illustrations of the typical situations for employing Simple Expansion Joint type of Bellows depending upon the application and configuration of the piping ...

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Types of Pipe Expansion Joints / Expansion Bellows

Introduction to Expansion Bellows In a piping system a Expansion joints alternately known as Bellows are like sealed springs. Sealed because it is required to contain the fluid pressure which is flowing through it and spring because it is required to respond to the movement of the connected piping without offering appreciable stiffness to the piping system. An expansion joint/bellow ...

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Piping Offshore: Main Components of Drilling

Aligning of drill strings

Drilling operation in offshore piping is a complex process with many challenges. Proper selection of each component is critical and various factors have to be considered such as the requirement, site conditions, design conditions, safety, cost, etc. The main components involved in the offshore drilling process are the drilling rig, the mud system, the blow-out preventer (BOP) etc. THE MUD ...

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What Causes Corrosion in Metals

Corrosion can be defined in a more simplistic way as deterioration of materials under the influence of an environment. Without exception, the corrosion of metals and alloys (majority of materials used in industry) in aqueous environments (the most often encountered environment) is an electrochemical reaction. A brief description of the electrochemical principles for the beginners of corrosion is made before ...

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What is Offshore Drilling and Drilling Rigs

Offshore jack up rig

Introduction A mechanical process where a wellbore is drilled through the seabed is referred to as Offshore drilling. The main purpose of drilling is to explore for and subsequently extract petroleum which lies in rock formations beneath the seabed. Most commonly, the term is used to describe drilling activities on the continental shelf, though the term can also be applied ...

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10 Different forms of corrosion in various piping systems

Table of contents: 1. Uniform Corrosion 2. Galvanic Corrosion 3. Crevice Corrosion 4. Pitting Corrosion 5. Selective Leaching (Dezincification) 6. Intergranular Corrosion 7. Erosion Corrosion 8. Cavitation Damage 9. Fretting Damage 10. Stress Corrosion Cracking Forms of Corrosion: There are different forms of corrosion of which below are commonly referred corrosion forms with ways to identify corrosion and preventive measures. ...

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Flush Bottom Valve: Special Purpose Valve

Introduction to Flush Bottom Valve Flush Bottom Valve  is a special purpose valve, which is used in piping, reactors and vessels to drain out abrasive, Slurry, Viscous Material or Semi Solid Media. This type of valve is available in the size from 15 MM to 150 MM with different material of construction like Cast Iron, Cast Steel, SS 304 / 316 ...

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Special Purpose Valve: Multi-port Valve

Introduction to Multi-port Valve Valves which perform duties other than the two way isolation, control and check are classified under the category of special purpose valves, few of such valves are Multi-port valves. Flush bottom valves Float valves Foot valves Multi-port Valves Multiport valve is categorized as a special purpose valve. The multi-port valve on certain services reduces the time for ...

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