1. Trunnion or Dummy Support Integration
How is the Trunnion or Dummy Support integrated into the piping system?
Explanation: The trunnion is directly welded to the main pipe, inheriting its strength and material properties for seamless integration.
2. Trunnion or Dummy Support Flexibility
What is the key advantage of the Trunnion or Dummy Support in terms of movement?
Explanation: The trunnion acts as a pivot point, allowing movement in one plane (axial or transverse) while still being firmly anchored in the other direction.
3. Trunnion for Horizontal Lines
Why is the trunnion considered ideal for supporting horizontal lines?
Explanation: Trunnions are ideal for supporting horizontal lines where controlled movement is necessary, preventing undue stress on the pipe.
4. Trunnion for Vertical Lines
How can trunnions be utilized for vertical lines?
Explanation: Trunnions can be used for vertical lines, providing additional support at specific locations while allowing horizontal movement.
5. Trunnion Applications in Piping
Where do trunnion/dummy supports shine in piping systems?
Explanation: Trunnion/dummy supports shine in diverse applications, including pipelines, high-temperature piping, seismic zones, and complex configurations.
6. Trunnion Integration in High-Temperature Systems
How do trunnions contribute to maintaining stability in high-temperature piping systems?
Explanation: Trunnions contribute to maintaining stability in high-temperature piping systems by allowing movement while still being firmly anchored.
7. Trunnion in Seismic Zones
Why are trunnions beneficial in areas prone to earthquakes?
Explanation: Trunnions are beneficial in areas prone to earthquakes because they offer controlled movement, protecting the pipe from potential damage.
Don’t Miss 20+ Quizzes on Pipe Supports:
Short Article on Trunnion or Dummy Support: Pipe Supports
Trunnion or Dummy Support: The Hybrid Hero for Flexible Piping Support
The trunnion, often called a dummy support, is a fascinating hybrid in the piping world. It combines the structural strength of a pipe with the flexibility of a support, creating a versatile solution for both horizontal and vertical lines. Think of it as a pipe branch that morphs into a support leg, offering both stability and movement potential.
Key Features:
- Strength in disguise: Unlike traditional supports, the trunnion is not an external element bolted or clamped onto the pipe. It’s a “dummy” branch, directly welded to the main pipe, inheriting its strength and material properties. This creates a seamless integration, eliminating weak points and ensuring robust support.
- Flexible friend: The trunnion’s key advantage lies in its ability to act as a pivot point. The end of the branch rests on a secondary support, allowing the main pipe to move freely in one plane (axial or transverse) while still being firmly anchored in the other direction. This flexibility is crucial for accommodating thermal expansion, contraction, or minor seismic movements.
- Horizontal champion: Unlike fixed anchors, trunnions don’t restrict movement entirely. They are ideal for supporting horizontal lines where some controlled movement is necessary. This prevents undue stress on the pipe while maintaining overall stability.
- Vertical versatility: Trunnions can also be used for vertical lines, offering additional support at specific locations while allowing the pipe to move freely in the horizontal plane. This flexibility is particularly useful for tall or slender vertical pipes that might otherwise be prone to swaying.
Where Trunnion or Dummy Support Supports Shine:
- Pipelines: Providing flexible support for long stretches of pipe that experience thermal expansion or contraction.
- High-temperature piping: Allowing movement while maintaining stability in lines exposed to high temperatures and potential thermal stresses.
- Seismic zones: Offering controlled movement in areas prone to earthquakes, protecting the pipe from potential damage.
- Complex piping configurations: Supporting pipes with bends, changes in direction, or multiple branches where traditional supports might be restrictive.
Trunnion or Dummy Support Support: A Hybrid Solution for Diverse Needs:
The trunnion’s unique combination of strength and flexibility makes it a valuable tool for diverse piping needs. It seamlessly blends into the pipe, offering robust support without hindering necessary movement. From pipelines to high-temperature systems and complex configurations, the trunnion stands as a hybrid hero, quietly ensuring the smooth operation and longevity of piping systems.
Table of Contents
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Recommended courses (Published on EPCLand)
- Complete Course on Piping Engineering
- Basics of Piping Engineering
- Piping Layout Engineering
- Piping Material Engineering
- Piping Stress Analysis
- Material Requisitions
- Piping Material Specifications
- Valve Material Specifications
- Plant Design & Layouts-OISD 118
- Isometric Management
Library of Technical Articles
Don’t miss out the collection of 15+ articles on following topics:
- Basics of Oil and Gas Industry
- Valves
- Testing
- Tank
- Piping Bulk Items
- Pipe
- Metallurgy
- Piping Materials
- Layout
- Instrumentation
- Heat Exchanger
- Type of Contracts
- Codes and Standards
- ASTM Standards
- Articles on Piping Specialty Items
Video details of Complete Course on Piping Engineering
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