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PIPING GUIDE
A Unique blog for Oil and Gas Professionals covering topics related to Piping and Process.
PIPING CODES & STANDARDS
Posted by Ankit Chugh on 8:50 AM
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Codes and Standards
The following codes are used for the design, construction and inspection of piping systems in North
America.
ASME B31 Piping Codes
Piping codes developed by the American Society of Mechanical Engineers:
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B31.1 Power Piping
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Piping typically found in electric power generating stations, in industrial and institutional plants,
geothermal heating systems and central and district heating and cooling plants.
B31.3 Process Piping
Piping typically found in petroleum refineries, chemical, pharmaceutical, textile, per, semiconductor
and cryogenic plants and related processing plants and terminals.
B31.4 Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids
Piping transporting products which are predominately quid between plants and terminals and within
terminals, pumping, regulating, and metering stations.
B31.5 Refrigeration Piping
Piping for refrigerants and secondary coolants.
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B31.8 Gas Transportation and Distribution Piping Systems
Piping transporting products which are predominately gas between sources and terminals including
compressor, regulating and metering stations, gas gathering pipelines.
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B31.9 Building Services Piping
Piping typically found in industrial, institutional, commercial and public buildings and in multi­unit
residences which does not require the range of sizes, pressures and temperatures covered in
B311.1
B31.11 Slurry Transportation Piping Systems
Piping transporting aqueous slurries between plants and terminals within terminals, pumping and
regulating stations.
The following codes are used to specify the geometric, material and strength of piping and components:
ASME B16 Dimensional Codes
The ASME B16 Piping Component Standards
Piping component standard developed by the American Society of Mechanical Engineers or the
American National Standards Institute (ANSI)
B16.1 Cast Iron Pipe Flanges and Flanged Fittings
B16.3 Malleable Iron Threaded Fittings, Class 150 and 300
B16.4 Cast Iron Threaded Fittings, Classes 125 and 250
B16.5 Pipe Flanges and Flanged Fittings
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B16.9 Factory Made Wrought Steel Butt welding Fittings
B16.10 Face to Face and End to End Dimensions of Valves
B16.11 Forged Fittings, Socket Welding and Threaded
B16.12 Cast Iron Threaded Drainage Fittings
B16.14 Ferrous Pipe Plugs, Bushings and Locknuts with Pipe Threads
B16.15 Cast Bronze Threaded Fittings Class 125 and 250
B16.18 Cast Copper Alloy Solder Joint Pressure Fittings
B16.20 Ring Joint Gaskets and Grooves for Steel Pipe Flanges
B16.21 Nonmetallic Flat Gaskets for Pipe Flanges
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B16.22 Wrought Copper and Copper Alloy Solder Joint Pressure Fittings
B16.23 Cast Copper Alloy Solder Joint Drainage Fittings – DWV
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B16.24 Cast Copper Alloy Pipe Flanges and Flanged Fittings Class 150, 300, 400,600, 900, 1500
and 2500
18,439 members
B16.25 Butt welding Ends
B16.26 Cast Copper Alloy Fittings for Flared Copper Tubes
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B16.28 Wrought Steel Butt welding Short Radius Elbows and Returns
B16.29 Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings – DWV
B16.32 Cast Copper Alloy Solder Joint Fittings for Sovent Drainage Systems
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B16.33 Manually Operated Metallic Gas Valves for Use in Gas Piping systems Up to 125 psig
(sizes ½ through 2)
B16.34 Valves – Flanged, Threaded and Welding End
B16.36 Orifice Flanges
B16.37 Hydrostatic Testing of Control Valves
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Piping Design ( 133 )
Piping ( 85 )
Downloads ( 80 )
Pipelines ( 57 )
PandID ( 47 )
B16.38 Large Metallic Valves for Gas Distribution (Manually Operated, NPS 2 ½ to 12, 125 psig
maximum)
Layout Engineering ( 38 )
Plumbing ( 37 )
Process ( 35 )
B16.39 Malleable Iron Threaded Pipe Unions, Classes 1150, 250 and 300
B16.40 Manually Operated Thermoplastic Gs Shutoffs and Valves in Gas Distribution Systems
Projects ( 34 )
Refinery ( 25 )
Codes ( 19 )
B16.42 Ductile Iron Pipe Flanges and Flanged Fittings, Class 150 and 300
Companies in Bangalore ( 14 )
B16.47 Large Diameter Steel Flanges (NPS 26 through NPS 60)
Jobs ( 10 )
Pigging ( 12 )
Rigs ( 10 )
Companies in Mumbai ( 6 )
ASME B36 Piping Component Standards
Piping standards developed by the American Society of Mechanical Engineers / American National
Standards Institute:
B36.10 Welded and Seamless Wrought Steel Pipe
Companies in Chennai ( 4 )
Companies in Hyderabad ( 4 )
Books ( 3 )
Companies in Delhi ( 3 )
Companies in Gurgaon ( 3 )
Companies in Oman ( 3 )
Instrumentation ( 3 )
B36.19 Stainless Steel Pipe
AutoCad ( 2 )
Companies in Abu Dhabi ( 2 )
Other ASME or ANSI
B73.1 Horizontal, End Suction Centrifugal Pumps
Companies in Dubai ( 2 )
Companies in Saudi Arabia ( 2 )
Companies in Sharjah ( 2 )
B73.2 Vertical In­line Centrifugal Pumps
Companies in Singapore ( 2 )
B133.2 Basic Gas Turbine
Companies in Canada ( 1 )
NEPA Codes
Companies in Vadodara ( 2 )
Companies in Darussalam ( 1 )
Companies in Kolkata ( 1 )
Companies in Kuwait ( 1 )
National Electrical Protection Association
Companies in Norway ( 1 )
PDMS ( 1 )
Piping covering fire protection systems using water, carbon dioxide, halon, foam, dry chemical and
wet chemicals.
NFC ­ NFPA Codes
National Fire Code / National Fire Protection Association
NFPA 99 Health Care Facilities
Piping for medical and laboratory gas systems.
CSA Standards
Canadian Standards Association
CSA Z662 ­ 94 Oil & Gas Pipeline Systems
This standard supercedes these standards:
CAN/CSA Z183 Oil Pipeline Systems
CAN/CSA Z184 Gas Pipeline Systems
CAN/CSA Z187 Offshore Pipelines
Other CSA Piping and Component Codes:
B 51 Boilers and Pressure Vessels
B 53 Identification of Piping Systems
B 52 Mechanical Refrigeration Code
B 63 Welded and Seamless Steel Pipes
B 137.3 Rigid Poly­Vinyl Chloride (PVC) Pipe
B 137.4 Polyethylene Piping Systems for Gas Service
W 48.1 Mild Steel Covered Arc­Welding Electrodes
W 48.3 Low­Alloy Steel Arc­Welding Electrodes
Z 245.1 Steel Line Pipe
Z 245.11 Steel Fittings
Z 245.12 Steel Flanges
Z 245.15 Steel Valves
Z 245.20 External Fusion Bond Epoxy Coating for Steel Pipe
Z 245.21 External Polyethylene Coating for Pipe
Z 276 LNG ­ Production, Storage and Handling
Standard Practices
Piping and related component standards developed by the Manufacturer’s Standardization Society.
The MSS standards are directed at general industrial applications. The pipeline industry makes
extensive use of these piping component and quality acceptance standards.
SP­6 Standard Finishes for Contact Faces Pipe Flanges and Connecting End Flanges of Valves
and Fittings
SP­25 Standard Marking System for Valves, Fittings, Flanges and Union
SP­44 Steel Pipeline Flanges
SP­53 Quality Standards for Steel Castings and Forgings for Valves, Flanges and Fittings and
Other Piping Components ­ Magnetic Particle
SP­54 Quality Standards for Steel Castings and for Valves, Flanges and Fittings and Other Piping
Components ­ Radiographic
SP­55 Quality Standards for Steel Castings and for Valves, Flanges and Fittings and Other Piping
Components ­ Visual
SP­58 Pipe Hangers and Supports ­ Material, Design and manufacture
SP­61 Pressure Testing of Steel Valves
SP­69 Pipe Hangers and Supports ­ Selection and Application
SP­75 High Test Wrought Butt Welding Fittings
SP­82 Valve Pressure Testing Methods
SP­89 Pipe Hangers and Supports ­ Fabrication and Installation Practices
API
American Petroleum Institute
The API standards are focused on oil production, refinery and product distribution services.
Equipment specified to these standards are typically more robust than general industrial
applications.
Spec. 5L Line Pipe
Spec. 6D Pipeline Valves
Spec. 6FA Fire Test for Valves
Spec. 12D Field Welded Tanks for Storage of Production Liquids
Spec. 12F Shop Welded Tanks for Storage of Production Liquids
Spec. 12J Oil and Gas Separators
Spec. 12K Indirect Type Oil Field Heaters
Std. 594 Wafer and Wafer­Lug Check Valves
Std. 598 Valve Inspection and Testing
Std. 599 Metal Plug Valves ­ Flanged and Butt­Welding Ends
Std. 600 Steel Gate Valves­Flanged and Butt­Welding Ends
Std. 602 Compact Steel Gate Valves­Flanged Threaded, Welding, and Extended­Body Ends
Std. 603 Class 150, Cast, Corrosion­Resistant, Flanged­End Gate Valves
Std. 607 Fire Test for Soft­Seated Quarter­Turn Valves
Std. 608 Metal Ball Valves­Flanged and Butt­Welding Ends
Std. 609 Lug­and Wafer­Type Butterfly Valves
Std. 610 Centrifugal Pumps For Petroleum, Heavy Duty Chemical and Gas Industry Services
Std. 611 General Purpose Steam Turbines for Refinery Services
Std. 612 Special Purpose Steam Turbines for Refinery Services
Std. 613 Special Purpose Gear Units for Refinery Services
Std. 614 Lubrication, Shaft­Sealing and Control Oil Systems for Special Purpose Application
Std. 615 Sound Control of Mechanical Equipment for Refinery Services
Std. 616 Gas Turbines for Refinery Services
Std. 617 Centrifugal Compressors for General Refinery Services
Std. 618 Reciprocating Compressors for General Refinery Services
Std. 619 Rotary­Type Positive Displacement Compressors for General Refinery Services
Std. 620 Design and Construction of Large, Welded, Low Pressure Storage Tanks
Std. 630 Tube and Header Dimensions for Fired Heaters for Refinery Service
Std. 650 Welded Steel Tanks for Oil Storage
Std. 660 Heat Exchangers for General Refinery Service
Std. 661 Air­Cooled Heat Exchangers for General Refinery Service
Std. 670 Vibrations, Axial Position, and Bearing­Temperature Monitoring Systems
Std. 671 Special Purpose Couplings for Refinery Service
Std. 674 Positive Displacement Pumps­Reciprocating
Std. 675 Positive Displacement Pumps­Controlled Volume
Std. 676 Positive Displacement Pumps­Rotary
Std. 677 General Purpose Gear Units for Refineries Services
Std. 678 Accelerometer­Base Vibration Monitoring System
Std. 1104 Welding Pipelines and Related Facilities
Std. 2000 Venting Atmospheric and low­Pressure Storage Tanks ­ Non­Refrigerated and
Refrigerated
RP 530 Calculation for Heater Tube Thickness in Petroleum Refineries
RP 560 Fired Heater for General Refinery Services
RP 682 Shaft Sealing System for Centrifugal and Rotary Pumps
RP 1110 Pressure Testing of Liquid Petroleum Pipelines
Publ. 941 Steel for Hydrogen Service at Elevated Temperature and Pressures in Petroleum
Refineries and Petrochemical Plants
Publ. 2009 Safe Welding and Cutting Practices in Refineries
Publ. 2015 Safe Entry and Cleaning of Petroleum Storage Tanks
ASTM
There are numerous American Society for Testing and Materials designations cover the
specification of wrought materials, forgings and castings used for plate, fittings, pipe and valves.
The ASTM standards are directed to dimensional standards, materials and strength considerations.
Some of the more material standards referenced are:
A 36 Specification for Structural Steel
A 53 Specification for Pipe, Steel, Black and Hot –Dipped, Zinc Coated Welded and Seamless
A 105 Specification for Forgings, Carbon Steel, for Piping Components
A 106 Specification for Seamless Carbon Steel Pipe for High Temperature Service
A 181 Specification for Forgings, Carbon Steel for General Purpose Piping
A 182 Specification for Forged or Rolled Alloy Steel Pipe Flanges, Forged Fittings, and Valves and
Parts for High Temperature Service
A 193 Specification for Alloy Steel and Stainless Steel Bolting Materials for High Temperature
Service
A 194 Specification for Carbon and Alloy Steel Nuts for Bolts for High Pressure and High
Temperature Service
A 234 Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and
Elevated Temperatures
A 333 Specification for Seamless and Welded Steel Pipe for Low Temperature Service
A 350 Specification for Forgings, Carbon and Low Alloy Steel Requiring Notch Toughness Testing
for Piping Components
A 352 Specification for Steel Castings, Ferritic and Martensitic for Pressure Containing Parts
Suitable for Low Temperature Service
A 420 Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low
Temperature Service
A 694 Specification for Forgings, carbon and Alloy Steel for Pipe Flanges, Fittings, Valves and
Parts for High Pressure Transmission Service
A 707 Specifications for Flanges, Forged, Carbon and Alloy Steel for Low Temperature Service
References
Due to copyright laws, the following figures have not been published here. We leave as an exercise
for the user to retrieve these for reference.
Fig 100.1.2(B) of ASME B31.1
Fig 300.1.1 of ASME B31.3 1996
Fig 300.1.1 of ASME B31.3 1999
Fig 400.1.1 of ASME B31.4
Fig 400.1.2 of ASME B31.4
Fig 1.1 of CSA Z 662
Fig 1.2 of CSA Z 662
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Pradeep kumar
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6 months ago
Very handy....thx
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Iqbal Akhter
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2 years ago
Really very usefull info.. Thanks a tonnes
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vodaka
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3 years ago
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it's amazing,thx a million
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Mohamed Badawy
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4 years ago
thanks a lot,
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Rohitkumarsharma14
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4 years ago
thanks ankit
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Ankit Chugh
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> Rohitkumarsharma14 • 4 years ago
Welcome Rohit
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shekhark
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5 years ago
very nice
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plumbing fittings
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5 years ago
The home tankless hot water heater offers more options for placement because of its compact
size. This could be your chance to reposition the heater to give a shorter run to the most used
outlets in your home. There are other factors to consider when looking for a place to put the
heater.
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shekar
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8 years ago
Thanks for providing the relevant standards applicable for design on pipe and its components.
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Shekar(shekarpithani78@gmail.com)
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