Liquid Natural Gas – It is light hydrocarbon gasses that are compressed into a liquid state for cheaper and more efficient transportation.
Resources
Resources
What is an Inner Thrust Ring?
It is a plate welded to the outer arch of a pipe to restrict the sliding of the insulation assembly against the pipe wall.
Where is a common area to find a piping deformation?
The most common area in a pipe to find deformations is in the middle. This area is the farthest distance away from the supports.
Can you electrically isolate the piping from other structures?
FRP Wear Pads, also known as non-metallic wear pads, caneliminatemetal to metal contact and electrically isolate the piping from the pipe rack and other metal structural elements..
Non-Metallic Wear Pad (FRP Pad)
Is it cheaper to install pipes underground or above?
In terms of total cost, installing pipes above ground will be more expensive because you must consider the foundation, structural steel elements and support elements included in the project.
Which standards are used when designing Constant Spring hangers?
How do you attach a slide bearing plate to supporting structures?
Welding is the most common method of attaching the slide bearing plate to supporting metal structures. When this approach is used a “lip” must be built since the welding's extreme temperature may break the bond between the low-friction material and the metal plate. A 0.25 inch “lip” is adequate for most welded installations. When welding cannot be used (for safety or other reasons) to attach the slide plates, bolting is the most common substitute.
How do you compensate pipe movement?
To compensate for pipe movement, a designer may choose from a variety of clevis hangers, roller hangers, and adjustable bands to support the pipe. These are linked to the supporting structure with rods and other hardware components. Beam attachments and other accessories are attached to the supporting structure to complete the pipe hanger assembly. All of these components must be strong enough to support the loads in the environment where they are installed.
What do you use to coat furnace springs?
Furnace Springs are are almost always coated with red oxide primer in order to avoid any potential hazards when exposed to high temperatures.
What is a travel indicator?
For Constant Support Hangers, a device attached to a movable arm of a Constant Support Hanger, used to indicate the reading on the Travel Scale in order to show the vertical pipe movement. For Variable Spring Hangers, the spring load plate which indicates the reading on the Load/Travel scale in order to show the vertical pipe movement.
What is a travel stop?
Travel Stop – A device which temporarily locks the movable parts of a Spring Hanger in a fixed position. When the travel stops are installed, the static load (weight of the pipe) will be supported by the spring’s casing (instead of the spring’s coil) making it a rigid support. This static load is then transferred to the supporting structure enabling the piping system to maintain the desired elevation difference between the pipe and supporting steel during erection and/or Hydrostatic Testing.
When should I consider replacing my Constant Spring?
Constant Springs should be replaced when there are signs of excessive corrosion or fatigue. Also, consider if there need to be modifications due to the operating conditions — especially if hindering the operation of that component.
Do you consider load variation at all when sizing constant supports?
No, the cold and hot load should be the same on the Constant Spring Supports. However, the load variation of a constant support is required by standards to be within the allowable variation of 6%.
What does D.N.V stand for?
D.N.V. is Det Norske Veritas which is a risk managing company. They have standards we meet in order for our products to be safe.
How does the cryogenic pipe shoe insulation withstand weathering?
Usually, polyurethane is coated with monomastic paint on the exposed surface to make it water resistant.
Could you tell me the difference of unfilled PTFE and filled PTFE?
Virgin is a more pure grade of PTFE. It has no fillers such as carbon or glass.
How do pipe supports reduce vibration?
Pipe supports can anchor the piping system to a fixed point or points that prevent the system from moving.
What is cold expansion?
Thermal expansion caused by temperatures dropping to negative temperatures — commonly called contraction.
What is the difference between a shock and a strut?
A strut is a solid restraining device — see sway strut.
A shock is a sudden movement in the piping system.
What is a Pipe Spool?
Pipe spool is a section of pipe that comes in pre-fabricated lengths from the pipe fabricator.