The document discusses standards from the American Society of Mechanical Engineers (ASME) for valves, flanges, fittings, and gaskets. It provides a brief history on the development of the B16 standards starting in 1920. Today there are 32 B16 standards that cover pressure ratings, materials, dimensions and testing of valves, flanges, fittings and gaskets. The standards are used by manufacturers, owners and others working with pressure equipment.
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This presentation is good for people who are involve in pipe manufacturing and piping works. this presentation provide you guideline for understanding differences between A53 and A106 standards in detail and would help in selection of proper piping materials for specific use.
ASME B16.5 ASTM A105 material, it is including the chemical composition, physical properties, mechanical properties, heat treatment, hydrostatic tests, surface finish, corrosion protection, pipingpipeline.com could used to carbon steel forging flanges, it include WN flanges, blind flanges, slip on flanges, socket weld flanges, plate flanges, orifice flanges, threaded flanges, Spectacle flanges, tailor flanges.
Pipe line activities To know about fabrication and modifications work Instal...mkpq pasha
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ASTM International's Introduction, Histroy of development and ASTM A-53 & A-1...Jahanzeb Mahar
This presentation is good for people who are involve in pipe manufacturing and piping works. this presentation provide you guideline for understanding differences between A53 and A106 standards in detail and would help in selection of proper piping materials for specific use.
ASME B16.5 ASTM A105 material, it is including the chemical composition, physical properties, mechanical properties, heat treatment, hydrostatic tests, surface finish, corrosion protection, pipingpipeline.com could used to carbon steel forging flanges, it include WN flanges, blind flanges, slip on flanges, socket weld flanges, plate flanges, orifice flanges, threaded flanges, Spectacle flanges, tailor flanges.
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1. The American Society of Mechanical Engineers®
ASME®
ASME B16
Valves, Flanges,
Fittings, and Gaskets
• Standards
• Courses & Training
ASME B16
Valves, Flanges,
Fittings, and Gaskets
• Standards
• Courses & Training
2. 2
History
The history of the B16 Standard can be traced back to 1920 when ASME co-sponsored
Sectional Committee B16 with what was the American Standards Association (ASA) for the
purpose of unifying and developing standards for pipe flanges and fittings (and later for
valves and gaskets). The first B16 standard was approved and published in 1927.
Today, ASME offers a series of 32 different B16 Standards that cover pressure-temperature
ratings, materials, dimensions, tolerances, markings and the testing of the following:
valves, flanges, fittings and gaskets. And certain B16 Standards are used in conjunction
with equipment described in other ASME B16 Standards, as well as with other ASME
standards, such as the Boiler and Pressure Vessel Code and the B31 Piping Codes.
About ASME
ASME, founded in 1880, is one of the oldest standards-developing organizations in
the world. Starting with the first issuance of its legendary Boiler & Pressure Vessel Code
in 1914, ASME has pioneered much of the mechanical engineering standards development
and best practices used today. Its codes and standards have grown to nearly 600
offerings – covering a breadth of topics, including piping and pressure technology, nuclear
plants, elevators/escalators, construction, engineering design, standardization, and
performance testing. ASME standards are used in more than 100 countries and have been
translated into numerous languages.
To learn more, visit www.asme.org/Codes
Who Can Benefit From B16?
B16 is intended for manufacturers, owners, employers, users and others concerned with
the specification, buying, maintenance, training and safe use of valves, flanges, fittings and
gaskets with pressure equipment, plus all potential governing entities. Careful application
of certain B16 standards can help users comply with important regulations within their
jurisdictions, while achieving operational, cost and safety benefits gained from the many
industry best-practices covered in these B16 Standards.
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
3. 3
Valves
B16 Standards – Valves, Flanges, Fittings, and Gaskets
1
ASME B16.10
Face-to-Face and End-to-End Dimensions
of Valves
ASME B16.33
Manually Operated Metallic Gas Valves
for Use in Gas Piping Systems up to
175 psi (Sizes NPS 1/2 through NPS 2)
This Standard covers face-to-face and end-to-end dimensions
of straightway valves, and center-to-face and center-to-end
dimensions of angle valves. Its purpose is to ensure installation
interchangeability for valves of a given material, type, size,
rating class, and end connection.
This Standard covers requirements for manually operated
metallic valves sizes NPS 1/2 through NPS 2, for outdoor
installation as gas shut-off valves at the end of the gas service
line and before the gas regulator and meter where the
designated gauge pressure of the gas piping system does
not exceed 175 psi (12.1 bar). The Standard applies to valves
operated in a temperature environment between -20°F and
150°F (-29°C and 66°C).
ASME B16.34
Valves Flanged, Threaded, and Welding End
This Standard applies to new construction and covers
pressure–temperature ratings, dimensions, tolerances,
materials, nondestructive examination requirements, testing,
and marking for cast, forged, and fabricated flanged, threaded,
and welding end and wafer or flangeless valves of steel,
nickel-base alloys, and other alloys shown in Table 1. Wafer or
flangeless valves, bolted or throughbolt types, that are installed
between flanges or against a flange are treated as flanged-end
valves. Alternative rules for NPS 2 1/2 and smaller valves are
given in Mandatory Appendix V.
ASME B16.38
Large Metallic Valves for Gas Distribution:
Manually Operated, NPS 2 1/2 (DN 65) to
NPS 12 (DN 300), 125 psig (8.6 bar) Maximum
This Standard covers requirements for manually operated
metallic valves in nominal sizes 2 ½ (DN 65) through 12 (DN
300) having the inlet and outlet on a common centerline. These
valves are intended for controlling the flow of gas from open to
fully closed positions, for use in distribution and service lines
where the maximum gage pressure does not exceed 125 psig
(8.6 bar).
FOR MORE INFORMATION VISIT: GO.ASME.ORG/B16
4. 4
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
Valves
B16 Standards – Valves, Flanges, Fittings, and Gaskets
1
This Standard covers manually operated thermoplastic valves in
nominal valve sizes 1/2 through 12. These valves are intended
for use below ground in thermoplastic fuel gas distribution
mains and service lines. The maximum operating pressure
(MOP) at which such distribution piping systems may be
operated is in accordance with the Code of Federal Regulation
(CFR) Title 49, Part 192, Transportation of Natural and Other Gas
by Pipeline; Minimum Safety Standards, for temperature ranges
of -20°F to 140°F (-29°C to 60°C).
ASME B16.40
Manually Operated Thermoplastic Gas Shutoffs
and Valves in Gas Distribution Systems
This Standard applies to new valve construction and covers
quarter-turn manually operated metallic valves in sizes NPS
4¼ and tubing sizes 1¼ O.D. These valves are intended for
indoor installation as gas shutoff valves when installed in
aboveground fuel gas piping downstream of the gas meter
outlet and upstream of the inlet connection to a gas appliance.
The valves covered by this Standard are limited to application
temperatures between 32°F (0°C) and 125°F (52°C) at pressures
not to exceed 5 psig. When so designated by the manufacturer,
these valves may be installed for service outdoors and/or at
temperatures below 32°F (0°C) and/or above 125°F (52°C).
ASME B16.44
Manually Operated Metallic Gas Valvesfor Use
in Above Ground Piping Systems up to 5 psi
5. FOR MORE INFORMATION VISIT: GO.ASME.ORG/B16
5
This Standard covers pressure–temperature ratings, materials,
dimensions, tolerances, marking, testing, and methods of
designating openings for pipe flanges and flanged fittings.
Included are:
(1) flanges with rating class designations 150, 300, 400, 600,
900, and 1500 in sizes NPS 1/2 through NPS 24 and flanges
with rating class designation 2500 in sizes NPS 1/2 through
NPS 12, with requirements given in both metric and U.S.
Customary units with diameter of bolts and flange bolt holes
expressed in inch units
(2) flanged fittings with rating class designation 150 and 300 in
sizes NPS 1/2 through NPS 24, with requirements given in both
metric and U.S. Customary units with diameter of bolts and
flange bolt holes expressed in inch units
(3) flanged fittings with rating class designation 400, 600, 900,
and 1500 in sizes NPS 1/2 through NPS 24 and flanged fittings
with rating class designation 2500 in sizes 1/2 through NPS 12
that are acknowledged in Nonmandatory Appendix E in which
only U.S. Customary units are provided.
This Standard is to be used in conjunction with equipment
described in other volumes of the ASME B16 Series of
Standards as well as with other ASME standards, such as the
Boiler and Pressure Vessel Code and the B31 Piping Codes.
ASME B16.5
Pipe Flanges and Flanged Fittings: NPS 1/2
through NPS 24 Metric/Inch Standard
ASME B16.36
Orifice Flanges
This Standard covers pressure-temperature ratings, materials,
dimensions, tolerances, testing, and making of flanges (similar
to those covered in ASME B16.5) that have orifice pressure
differential connections. Coverage is limited to the following:
(a) welding neck flanges Classes 300, 600, 900, 1500, and
2500. U.S. Customary units are presented in Mandatory
Appendix I.
(b) slip-on and threaded Class 300.
(c) welding neck flanges Class 400 in U.S. Customary units in
Mandatory Appendix II.
Flanges
B16 Standards – Valves, Flanges, Fittings, and Gaskets
2
ASME B16.47
Large Diameter Steel Flanges: NPS 26
through NPS 60 Metric/Inch Standard
This Standard covers pressure–temperature ratings, materials,
dimensions, tolerances, marking, and testing for pipe flanges
in sizes NPS 26 through NPS 60. Included are flanges with
rating class designations 75, 150, 300, 400, 600, and 900 with
requirements given in both SI (Metric) and U.S. Customary
units, with diameter of bolts and flange bolt holes expressed
in inch units.
ASME B16.48
Line Blanks
This Standard covers pressure-temperature ratings, materials,
dimensions, tolerances, marking, and testing for operational line
blanks in sizes NPS 1/2 through NPS 24 for installation between
ASME B16.5 flanges in the 150, 300, 600, 900, 1500, and 2500
pressure classes.
6. 6
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
Fittings
B16 Standards – Valves, Flanges, Fittings, and Gaskets
3
ASME B16.1
Gray Iron Pipe Flanges and Flanged Fittings:
Classes 25, 125, and 250
ASME B16.3
Malleable Iron Threaded Fittings: Classes 150
and 300
This Standard covers Classes 25, 125, and 250 Gray Iron Pipe
Flanges and Flanged Fittings. It includes pressure–temperature
ratings, sizes and method of designating openings of reducing
fittings, marking, materials, dimensions and tolerances, bolting
and gaskets, and pressure testing.
This Standard covers malleable iron threaded fittings, Classes
150 and 300. It also contains provisions for using steel for
caps and couplings in Class 150 for NPS 3/8 and smaller. This
Standard includes pressure–temperature ratings, size and
method of designating openings of reducing fittings, marking,
material, dimensions and tolerances, threading, and coatings.
ASME B16.4
Gray Iron Threaded Fittings: Classes 125 and
250
This Standard for gray iron threaded fittings, Classes 125 and
250, covers pressure–temperature ratings, sizes and method
of designating openings of reducing fittings, marking, material,
dimensions and tolerances, threading, and coatings.
ASME B16.11
Forged Fittings, Socket-Welding and
Threaded
This Standard covers ratings, dimensions, tolerances, marking
and material requirements for socket-welding and threaded
forged fittings. These fittings are designated as Class 2000,
3000, and 6000 for threaded end fittings and Class 3000,
6000, and 9000 for socket-weld end fittings.
ASME B16.12
Cast Iron Threaded Drainage Fittings
This Standard for cast iron threaded drainage fittings covers
sizes and method of designating openings in reducing fittings,
marking, material, dimensions and tolerances, threading, ribs,
coatings, and face bevel.
ASME B16.9
Factory Made Wrought Buttwelding Fittings
This Standard covers overall dimensions, tolerances, ratings,
testing, and markings for factory-made wrought buttwelding
fittings in sizes NPS 1/2 through NPS 48 (DN 15 through DN
1200).
7. 7
FOR MORE INFORMATION VISIT: GO.ASME.ORG/B16
ASME B16.14
Ferrous Pipe Plugs, Bushings, and Locknuts
with Pipe Threads
ASME B16.15
Cast Copper Alloy Threaded Fittings: Classes
125 and 250
This Standard covers pressure–temperature ratings, size,
marking, materials, dimensions and tolerances, threading, and
pattern taper.
This Standard covers cast Classes 125 and 250 copper alloy
threaded pipe fittings with provisions for substituting wrought
copper alloys for plugs, bushings, caps, and couplings in small
sizes. This Standard includes pressure–temperature ratings,
size and method of designating openings of reducing pipe
fittings, marking requirements, minimum requirements for
casting quality and materials dimensions and tolerances in SI
(metric) and U.S. Customary units, threading requirements, and
pressure test requirements.
ASME B16.18
Cast Copper Alloy Solder Joint Pressure
Fittings
This Standard for cast copper alloy solder joint pressure
fittings designed for use with copper water tube establishes
requirements for pressure–temperature ratings, abbreviations for
end connections, sizes and method of designating openings of
fittings, marking, material, dimensions and tolerances, and tests.
ASME B16.22
Wrought Copper and Copper Alloy Solder-
Joint Pressure Fittings
This Standard establishes specifications for wrought copper
and wrought copper alloy, solder-joint, seamless fittings,
designed for use with seamless copper tube conforming
to ASTM B88 (water and general plumbing systems), ASTM
B280 (air conditioning and refrigeration service), and ASTM
B819 (medical gas systems), as well as fittings intended to be
assembled with soldering materials conforming to ASTM B32,
brazing materials conforming to AWS A5.8, or with tapered pipe
thread conforming to ASME B1.20.1.
ASME B16.23
Cast Copper Alloy Solder Joint Drainage
Fittings: DWV
This Standard establishes specifications for cast copper alloy
solder joint drainage fittings, designed for use in drain, waste,
and vent (DWV) systems. These fittings are designed for
use with seamless copper tube conforming to ASTM B306,
Copper Drainage Tube (DWV), as well as fittings intended to be
assembled with soldering materials conforming to ASTM B32,
or tapered pipe thread conforming to ASME B1.20.1.
B16.23 provides requirements for fitting ends suitable for
soldering and covers description, pitch (slope), abbreviations
for end connections, sizes and methods for designing openings
forreducing fittings, marking, material, and dimensions and
tolerances.
8. 8
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
Fittings
B16 Standards – Valves, Flanges, Fittings, and Gaskets
3
ASME B16.25
Buttwelding Ends
ASME B16.26
Cast Copper Alloy Fittings for Flared Copper
Tubes
This Standard covers the preparation of buttwelding ends
of piping components to be joined into a piping system by
welding. It includes requirements for welding bevels, for
external and internal shaping of heavy-wall components, and
for preparation of internal ends (including dimensions and
tolerances). Coverage includes preparation for joints with the
no backing rings, split or noncontinuous backing rings, solid
or continuous backing rings, consumable insert rings, and gas
tungsten arc welding (GTAW) of the root pass.
This Standard establishes specifications for cast copper
alloy fittings and nuts used with flared seamless copper tube
conforming to ASTM B 88 (water and general plumbing systems).
Included are requirements for pressure rating, size, marking,
material, dimensions, threading, and hydrostatic testing.
ASME B16.24
Cast Copper Alloy Pipe Flanges, Flanged
Fittings, and Valves: Classes 150, 300, 600,
900, 1500, and 2500
This Standard covers cast copper alloy threaded pipe flanges
and blind flanges having class designations 150, 300, 600,
900, 1500, and 2500, flanged fittings having rating class
designations 150 and 300, and threaded and flanged valves
having rating class designations 150, 300, 600, 1500, and
2500. To support this, requirements for pressure–temperature
ratings, size and method of designating openings for reduced
fittings, markings, materials, dimensions, bolting and gaskets,
tolerances, nondestructive examination for valves, and tests are
established within this Standard.
ASME B16.29
Wrought Copper and Wrought Copper Alloy
Solder-Joint Drainage Fittings-DWV
This Standard for wrought copper and wrought copper alloy
solder-joint drainage fittings, designed for use with copper
drainage tube conforming to ASTM B-306, covers description,
pitch (slope), abbreviations for end connections, sizes and
method of designating openings for reducing fittings, marking,
material, and dimensions and tolerances.
ASME B16.39
Malleable Iron Threaded Pipe Unions: Classes
150, 250, and 300
This Standard covers threaded malleable iron unions, Classes
150, 250, and 300. It also contains provisions for
using steel for NPS 1⁄8 unions. This Standard includes design,
pressure–temperature ratings, size, marking, materials, joints
and seats, threads, hydrostatic strength, tensile strength, air
pressure test, sampling, coatings, and dimensions.
ASME B16.42
Ductile Iron Pipe Flanges and Flanged
Fittings: Classes 150 and 300
This Standard covers minimum requirements for Classes 150
and 300 cast ductile iron pipe flanges and flanged fittings.
The requirements covered are pressure–temperature ratings,
sizes and method of designating openings of reducing fittings,
marking, material, dimensions and tolerances, bolts, nuts, and
gaskets, and tests.
9. 9
FOR MORE INFORMATION VISIT: GO.ASME.ORG/B16
ASME B16.49
Factory-Made, Wrought Steel, Buttwelding
Induction Bends for Transportation and
Distribution Systems
This Standard covers design, material, manufacturing, testing,
marking, and inspection requirements for factory-made pipeline
bends of carbon steel materials having controlled chemistry
and mechanical properties, produced by the induction bending
process, with or without tangents. This Standard covers
induction bends for transportation and distribution piping
applications (e.g., ASME B31.4 and ASME B31.8).
ASME B16.50
Wrought Copper and Copper Alloy Braze-
Joint Pressure Fittings
This Standard establishes requirements for wrought copper and
wrought copper alloy braze-joint seamless fittings designed for
use with seamless copper tube conforming to ASTM Standard
Specification, B88 (Water and General Plumbing Systems),
B280 (Air Conditioning and Refrigeration Service), and B819
(Medical Gas Systems). This Standard covers joints assembled
with brazing materials conforming to ANSI/AWS A5.8. This
Standard is allied to ASME standards B16.18 and B16.22. It
provides requirements for fitting-ends suitable for brazing and
covers pressure–temperature ratings, abbreviations for end
connections, size and method of designating openings of fittings,
marking, material, dimensions and tolerances, and testing.
ASME B16.51
Copper and Copper Alloy Press-Connect
Pressure Fittings
This Standard establishes requirements for cast copper alloy,
wrought copper, and wrought copper alloy, press-connect
pressure fittings for use with hard drawn seamless copper
water tube conforming to ASTM B88 for piping systems
conveying water. The press-connect system (tube, fitting, and
joint) conforming to this Standard is for use at a maximum
pressure of 1 380 kPa (200 psi) over the temperature range
from 0°C to 93°C (32°F to 200°F). This Standard provides
requirements for fittings suitable for press-connect joining
and covers size designations, pressure–temperature ratings,
terminology, dimensions and tolerances, materials, design
qualification, required installation instructions, and markings.
10. 10
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
Gaskets
B16 Standards – Valves, Flanges, Fittings, and Gaskets
4
ASME B16.20
Metallic Gaskets for Pipe Flanges
This Standard covers materials, dimensions, tolerances, and
markings for metal ring-joint gaskets, spiral-wound metal
gaskets, metal-jacketed gaskets, and grooved metal gaskets
with covering layers. These gaskets are dimensionally suitable
for use with flanges described in reference flange standards
ASME B16.5, ASME B16.47, API Specification 6A, and ISO
10423.
ASME B16.21
Nonmetallic Flat Gaskets for Pipe Flanges
This Standard covers types, sizes, materials, dimensions,
tolerances, and markings for nonmetallic flat gaskets. These
gaskets are dimensionally suitable for use with flanges
described in the referenced flange standards.
11. 11
FOR MORE INFORMATION VISIT: GO.ASME.ORG/B16
COURSES
and TRAINING
5
Consider these B16– Valves, Flanges, Fittings,
and Gaskets Related Courses and Training!
—
— EL601 – Bolting Specialist Qualification Program - Part 1
—
— PD386 – Design of Bolted Flange Joints
—
— PD601 – The Bolting Combo Course
—
— PD539 – Bolted Joints and Gasket Behavior
—
— EL512 – The Bolted Joint
—
— PD679 – Selection of Pumps and Valves for Optimum System Performance
—
— PD763 – Centrifugal Pumps: Testing, Design and Analysis
asme.org/shop/courses
12. 12
ASME B16 STANDARDS – VALVES, FLANGES, FITTINGS, and GASKETS
12
6
LEARN ABOUT ASME'S
VOLUNTEER GROUPS and
RESOURCES
ASME B16 Committee
Volunteer Membership
ASME B16 Standards are developed by committees
and supporting technical subcommittees consisting of
volunteer members – technical and operational experts
from a broad range of industries - who play a vital role
in ensuring that requirements remain relevant to the
ever changing work environment and equipment. Each
committee ensures balanced participation and open
access to the public.
ASME membership is not required for appointment for
a volunteer to join a committee and there are no fees or
geographical restrictions associated with membership
on ASME B16 committees. In fact, ASME uses an
Internet-based voting and tracking system that allows
committee members and other interested parties to
participate in ongoing business from anywhere in the
world. The committee meets at least twice each year to
discuss changing industry needs and best operational
practices.
To volunteer with an ASME volunteer committee,
please visit:
go.asme.org/volunteering
PHONE ASME CUSTOMER CARE,
8:30 AM - 5:00 PM ET:
1.800.843.2763 (U.S./Canada, toll free)
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