Definition of process Piping as per ASME B31.3. learn about why process piping is different from others.

1. Process
Piping
By: Varun Patel, B.E- Mechanical, PMP®
Source: Piping Component G_FORDHAM
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2. Process Industries
Source: Pixabay.com
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3. What is Process Piping ?
• Pipe: Pressure tight cylinder used to transport
material mainly liquid and gas. It is also used to
transport slurry, powered, metal pallets etc..
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4. What is Process Piping ?
• Pipe Fittings/Pipe Component:
− Mechanical elements suitable for joining or
assembly into pressure-tight fluid-containing
piping systems. Components include pipe,
tubing, fittings, flanges, gaskets, bolting,
valves, and devices such as expansion joints,
flexible joints, pressure hoses, traps,
strainers, in-line portions of instruments, and
separators.
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5. What is Process Piping ?
• Piping:
− Assembly of piping components used to
convey, distribute, mix, separate,
discharge, meter, control, or stop fluid
flows.
• Piping Systems:
− Interconnected piping subject to the
same sets of design conditions.
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6. What is Process Piping ?
• Process:
− A series of activities performed in
particular ordered to convert raw
material into an useful product
• Process Piping is interconnected
piping used in process industries to
convert raw material in to useful
products.
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7. What is Process Piping ?
• A Piping under the purview
of ASME Code - B31.3 is
Process Piping
• A Process Piping Systems
are design as per the
guidelines given in ASME
B31.3
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8. ASME B31.3 Process Fluid Service
• Category D Fluid Service
− The fluid is nonflammable, nontoxic, and not damaging to
human tissue.
− The design pressure does not exceed 150 psig (1035 kPa).
− The design temperature is between -29°C and 186°C.
• Category M Fluid Service
− a fluid service in which the potential for personnel
exposure is judged to be significant and in which a single
exposure to a very small quantity of a toxic fluid, caused
by leakage, can produce serious irreversible harm to
persons on breathing or bodily contact, even when prompt
restorative measures are taken
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9. Types of ASME B31.3 Process Fluid
• High Pressure Fluid Service
− High pressure fluids are those in which the Owner has
specified that the pressures will be in excess of that
allowed by the ASME B16.5 PN420 (Class 2500) rating for
the specified design temperature and material group.
• Normal Fluid Service
− Everything else that does not cover under Category D,
Category M and High Pressure fluid service.
− ASME B31.3 covers most of the process fluid in this
Category
− Gauge
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10. Types of Process Fluid in Oil & Gas
• Process fluid are mainly
classified as following;
− Mainly Hydrocarbons services,
starting from Crude oil to final
distilled products
− Gas such as Hydrogen, Nitrogen,
Oxygen and Instrument air etc..
− Chemicals for dosing such as
chlorine, anti corrosion liquid
etc..
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11. Property of Process fluid use in Oil & Gas
•Flammable
•Corrosive
•Explosives
•Volatile
•Reactive
•Hazardous to
human health
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12. Material for process fluids
• To handle different kind of process fluids in
different physical and chemical environments we
need different kind of piping materials.
• Material that are able to withstand under various
design condition are chosen from based on many
process parameters.
• Lets learn about these types of material in next
lecture
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13. What we have learned?
• Pipe
• Pipe fittings / components
• Piping / Piping System
• Process Piping
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