Pipe Significance in Piping Field
Pipe Significance in Piping Field
II JAY SHRI KRISHNA II
Hello Friends, if you have followed my earlier blogs, then let us start to know about the Pipe in brief details.
Pipe Significance in Piping Field
As you know what is Pipe?..... It is long hollow cylinder with different standard size and thickness to carry or transfer fluids. The Pipes are available in standard lengths of 6 meter. Based on the material of construction & Pipe to Pipe Joint.
As Shown in figure, Pipes are designated by the Nominal Pipe Size (NPS) /Nominal Bore (NB) or Diameter Nominal (DN) which means neither the outside diameter of the pipes not the inside diameter of the pipe. Tube have outside diameter same as the size by which it is designated.
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Pipe Significance in Piping Field |
There is difference between Pipe & Tube is in their shape. Pipe will always be in round shape and tube can be in round, square or rectangular shape. Pipe thickness is specified in Schedule No. & corresponding thickness specified in standard. Tube size is always specified in mm/inches.
Stainless Steel Pipes are available in schedule 5S, 10S, 40S, 80S. Carbon steel pipes are available in schedule 5,10,20,30,40,60,80,100,120,140,160 XS, XXS & STD.
In American Standard Pipes are covered under ASME/ANSI B36.10,
B36.19 for carbon steel pipes and stainless steel pipes respectively.
Pipes are available in seamless and welded construction which are
selected based on service requirements.
Classification Based on End Use:
Pipes are classified as:
- Pressure Pipes / Process Pipes
- Line Pipes
- Structural Pipes
Pressure Pipes are those which are subjected to fluid pressure & or temperature. Fluid Pressure occurred in internal pressure due to fluid being conveyed or may be external pressure e.g. in Jacked Piping. They are mainly used as Plant Piping.
Line Pipes are generally used for long distance where conveying of the fluids are subjected to fluid pressure. These are generally not subjected to high temperature.
Structural Pipes are not to use for conveying fluids & therefore not subjected to fluid pressures or temperatures. They are used as structural components like handrails, columns and sleeves etc. and they are subjected to static loads only.
Some Type of Pipes are as follows:
- Steel Pipes – These are commonly used in industrial applications in Pharmaceutical and oil & gas pipelines, because these are durable & withstand in high pressure & temperatures.
- HDPE Pipes – High Density Polyethylene Pipes are used for their strength & chemical resistance properties for carrying chemicals and portable water.
- PVC Plastic Pipes – These are used in plumbing & irrigation system, because they are light in weight, resistant to corrosion and cost effective.
- Cast Iron Pipes – Used in sewage system & drainage due to their durability and corrosion resistance properties.
The End of Pipes Are Specified as
1. Screwed
Ends – are specified when Pipe to Pipe connected with threaded
fittings
2. Beveled
Ends - are specified when Pipe to Pipe connected with Butt welding.
3. Plain
Ends - are specified when Pipe to Pipe connected with Socket weld fitting.
4. Flanged
Ends - are specified when Pipe to Pipe or fitting are having bolted
connection.
5. Spigot /
Socket Ends – are specified when cemented joint are provided between Pipe
& Pipe Fittings.
Most commonly used Material Standard for Pipe are:
1. ASTM A53 CS
Pipes for General Service
2. ASTM A106 CS Pipes for High Temp. Service
3. ASTM A335 Alloy Steel Pipes for High Temp.
Service
4. ASTM A333 CS Pipes for Low Temp. Service
5. ASTM A312 SS Pipe for Corrosive Service
6. IS 1239 CS Pipe for General Purpose upto 6”
7. IS 3589 CS Pipe for General Purpose
8. IS 1536 Centrifugally CI Pipes
9. IS 1537 Vertically CI Pipes
Significance of Pipes and Fittings:
Pipe and Pipe Fittings are most
important for various industries and applications like Plumbing systems,
Heating & cooling systems, Agriculture, Construction & transportation.
Industrial Processes - Manufacturing
& chemical industries are used for transport chemicals, gases &
liquids.
Oil & Gas Industries –
various types of steel pipes used for transporting oil & gas from
production sites to distribution networks.
Conclusion:
So, as explain above all
The Pipe & Pipe Fittings are essential part of our daily life making more
convenient and industries more productive.
Kindly, Follow my blog on Piping System & its Components and
Butt Weld, Socket Weld and Flange Fitting – Advantage and Disadvantage,
Introduction to Piping Engineering,
Pipe Fittings Significance in Piping Field Part- 1, Part - 2, Part - 3, Part - 4, Part - 5, O' let Fittings.
Crucial Role of Pumps in Piping Field
Valves Significance in Piping Field
For brief details of Pipe Fittings please follow my blog on Pipe Fittings.
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See you all in the next
coming blogs till then keep exploring piping field……!!
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To be continue……
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