REAFFIRMED 2006

FOR CURRENT COMMITTEE PERSONNEL

PLEASE E-MAIL CS@asme.org
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 The American Society of
Mechanical Engineers

A N A M E RIC A N N ATIO N AL STA N D A R D

ASME 816.45-1998
(Revision of ASME 818.45-1987)
 Date of Issuance: April 30, 1999

The 1998 edition of this Standard is being issued with an automatic addenda
subscription service. The use of addenda allows revisions made in response
to public review comments or committee actions to be published on a regular
yearly basis; revisions published in addenda will become effective six months
after the Date of Issuance of the addenda. The next edition of this Standard
is scheduled for publication in 2003.

ASME issues written replies to inquiries concerning interpretations of

technical aspects of this Standard. The interpretations will be included with
the above addenda service.

ASME is the registered trademark of The American Society of Mechanical Engineers.

This code or standard was developed under procedures accredited as meeting the criteria for
American National Standards. The Standards Committee that approved the code or standard
was balanced to assure that individuals from competent and concerned interests have had an
opportunity to participate. The proposed code or standard was made available for public review
and comment, which provides an opportunity for additional public input from industry, academia,
regulatory agencies, and the public-at-large.
ASME does not "approve," "rate," or "endorse" any item, construction, proprietary device,
or activity.
ASME does not take any position with respect to the validity of any patent rights asserted in
connection with any items mentioned in this document, and does not undertake to insure anyone
utilizing a standard against liability for infringement of any applicable Letters Patent, nor assumes
any such liability. Users of a code or standard are expressly advised that determination of the
validity of any such patent rights, and the risk of infringement of such rights, is entirely their
own responsibility.
Participation by federal agency representative(s) or person(s) affiliated with industry is not to
be interpreted as government or industry endorsement of this code or standard.
ASME accepts responsibility for only those interpretations issued in accordance with governing
ASME procedures and policies which precludes the issuance of interpretations by individual
volunteers.

No part of this document may be reproduced in any form,

in an electronic retrieval system or otherwise,
without the prior written permission of the publisher.

The American Society of Mechanical Engineers

Three Park Avenue, New York, NY 10016-5990

Copyright © 1999 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
AJI Rights Reserved
Printed in U.S.A.
 FOREWORD
(This Foreword is not part of ASME B16.45-1998)

In the spring of 1920, the American Engineering Standards Committee (later successively
named American Standards Association, United States of America Standards Institute, and
American National Standards Institute) authorized the organization of a Sectional Committee
(later named Standards Committee) on the Standardization of Pipe Flanges for the purpose
of unifying and further developing the flanged and threaded fitting standards in force in
the United States. Designated as joint sponsors were the American Society of Mechanical
Engineers, the Heating and Piping Contractors National Association (later the "Mechanical
Contractors Association of America), and the Manufacturers Standardization Society of the
Valve and Fittings Industry. In 1982, American National Standards Committee B16 was
reorganized as the ASME B16 Committee, with ASME operating as sole sponsor under
procedures accredited by ANSI.
The Sovent® system for plumbing drainage systems was developed in Switzerland, in
1961, by Mr. Fritz Sommer. Patent rights for the United States, where the system is finding
use in high rise developments, were obtained in late 1969. The Manufacturers Standardization
Society of the Valve and Fittings Industry developed and approved SP-74 in September
1970. A few months later, the MSS publication was submitted to Standards Committee
B 16, whose Subcommittee 9 (now Subcommittee J) gave prompt approval to the proposal.
After Standards Committee approval, some delay was encountered in providing necessary
assurances to ANSI, but approval was finally granted to ANSI B16.32-1973, Cast Copper
Alloy Solder Joint Fittings for Sovent® Drainage Systems. Approval was subsequently
received for ANSI B16.43-1982, Wrought Copper and Copper Alloy Solder Joint Fittings
for Sovent® Drainage Systems.
In 1982, Subcommittee B was requested to develop a standard for cast iron material.
Following approval by the B16 Main Committee and the ASME Supervisory Board, approval
was granted by ANSI for ASME/ANSI B16.45, Cast Iron Fittings for Sovent® Drainage
Systems, on May 13, 1987.
In the 1998 edition of ASME B16.45, reference standards are updated, a quality system
program annex is added, and several editorial revisions are made. Pollowing approval by
ASME B16 Subcommittee B and B 16 Main Committee, ANSI approved this American
National Standard on November 20, 1998.
All requests for interpretations or suggestions for revisions should be sent to the Administra­
tive Secretary, B 16 Committee, American Society of Mechanical Engineers, Three Park
Avenue, New York, NY 10016-5990.

iii
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 ASME B16 COMMITTEE
Standardization of Valves, Flanges, Fittings, Gaskets,
and Valve Actuators

(The following is the roster of the Committee at the time of approval of this Standard.)

OFFICERS
W. N. Mclean, Chair
H. R. Sonderegger, Vice Chair
P. A. Reddington, Secretary

COMMITTEE PERSONNEL
W. L. Ballis, Consultant, London, Ohio
R. W. Barnes, Anric Enterprises, Etobicoke, Ontario, Canada
R. R. Brodin, Fisher Controls International, Inc., Marshalltown, Iowa
M. A. Clark, Nibco, Inc., Elkhart, Indiana
A. Cohen, A. Cohen and Associates, Albuquerque, New Mexico
C. E. Floren, Mueller Co., Decatur, Illinois
D. R. Frikken, Solutia, Inc., St. Louis, Missouri
R. Henrich, Minnegasco, Inc., Golden Valley, Minnesota
J. C. Inch, Mueller Refrigeration Products Co., Hartsville, Tennessee
G. A. Jolly, Vogt Valve Co., Louisville, Kentucky
W. G. Knecht, BW/IP International, Inc., Williamsport, Pennsylvania
R. Koester, The William Powell Co., Cincinnati, Ohio
W. N. Mclean, Newco Valves, Palos Park, Illinois
M. L. Nayyar, Bechtel Power Corp., Gaithersburg, Maryland
P. A. Reddington, American Society of Mechanical Engineers, New York, New York
R. A. Schmidt, Trinity-Ladish Co., Russellville, Arkansas
H. R. Sonderegger, Grinnell Corp., Cranston, Rhode Island
W. M. Stephan, Flexitallic, Inc., Mount Laurel, New Jersey
T. F. Stroud, Ductile Iron Pipe Research Association, Birmingham, Alabama
M. D. Wasicek, ABS Americas, Houston, Texas
R. E. White, Richard E. White and Associates, South Bend, Indiana
D. A. Williams, Southern Company Services, Birmingham, Alabama
L. A. Willis, The Dow Chemical Co., Freeport, Texas
W. R. Worley, Union Carbide Corp., South Charleston, West Virginia

SUBCOMMITTEE B - THREADED FITTINGS (EXCEPT STEEL)

H. R. Sonderegger, Chair, Grinnell Corp., Cranston, Rhode Island
B. P. Feder, Secretary, American Society of Mechanical Engineers, New York, New York
K. Barron, Ward Manufacturing, Blossburg, Pennsylvania
M. A. Clark, Nibco, Inc., Elkhart, Indiana
A. Cohen, A. Cohen and Associates, Albuquerque, New Mexico
A. A. Knapp, Canadian Copper/Brass Development Association, Ontario, Canada
R. L. Larkin, American Darling Valve, Birmingham, Alabama
P. I. McGrath, Consultant, Birmingham, Alabama
W. N. Mclean, Newco Valves, Palos Park, Illinois
J. K. Schultz, Conine Manufacturing Co., Tyler, Texas

V
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 CORRESPONDENCE WITH 816 COMMITTEE

General. ASME Standards are developed and maintained with the intent to represent the
consensus of concerned interests. As such, users of this Standard may interact with the
Committee by requesting interpretations, proposing revisions, and attending Committee
meetings. Correspondence should be addressed to:
Secretary, B16 Main Committee
The American Society of Mechanical Engineers
Three Park Avenue
New York, NY 10016-5990

Proposing Revisions. Revisions are made periodically to the Standard to incorporate

changes that appear necessary or desirable, as demonstrated by the experience gained from
the application of the Standard. Approved revisions will be published periodically.
The Committee welcomes proposals for revisions to this Standard. Such proposals should
be as specific as possible, citing the paragraph number(s), the proposed wording, and a
detailed description of the reasons for the proposal, including any pertinent documentation.
Interpretations. Upon request, the B16 Committee will render an interpretation of any
requirement of the Standard. Interpretations can only be rendered in response to a written
request sent to the Secretary of the B16 Main Committee.
The request for interpretation should be clear and unambiguous. It is further recommended
that the inquirer submit his/her request in the following format:
Subject: Cite the applicable paragraph number(s) and the topic of the inquiry.
Edition: Cite the applicable edition of the Standard for which the interpretation
is being requested.
Question: Phrase the question as a request for an interpretation of a specific
requirement suitable for general understanding and use, not as a request
for an approval of a proprietary design or situation. The inquirer may
also include any plans or drawings, which are necessary to explain
the question; however, they should not contain proprietary names or
information.
Requests that are not in this format will be rewritten in this format by the Committee
prior to being answered, which may inadvertently change the intent of the original request.
ASME procedures provide for reconsideration of any interpretation when or if additional
information that might affect an interpretation is available. Further, persons aggrieved by
an interpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME
does not "approve," "certify," "rate," or "endorse" any item, construction, proprietary device,
or activity.
Attending Committee Meetings. The B 16 Main Committee regularly holds meetings, which
are open to the public. Persons wishing to attend any meeting should contact the Secretary
of the B 16 Main Committee.

vii
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 CONTENTS

Foreword ....... . .................................................................... n1

Standards Committee Roster ........................................................... v
Committee Correspondence ............................................................ vu

1 Scope ........................................................................ .
I .I General ....................................................................
1.2 Quality Systems ............................................................ 1
1.3 References ................................................................. 1

2 Description

3 Sizes ..........................................................................

4 Marking

5 Material ......................................................................

6 Pitch ........................................................ · · · .... · · · · · · · · · · · 1

7 Design Features .............................................................. 2

8 Dimensions and Tolerances ................................................. 2

8.1 Dimensions ................................................................ 2
8.2 Metal Thickness ............................................................ 2
8.3 Outside and Inside Diameter of Fitting ...................................... 2
8.4 Center-to-End Dimensions ...... . ........................................... 2

9 Alignment 2

10 Tests . ..................................................... . .................. 2

Figures
1 Aerator Filling ................................................................. 3
2 Dcaerator Fitting . . ............................................................. 5
3 Designation of Openings: Aerator Fitting . . ....................................... 6
4 Designation of Openings: Dcaerator Fitting ........................ . .............. 6

ix
Tables
l Dimensions of Sovent® Aerator Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Dimensions of Sovent® Deaerator Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Inspection Tolerances for Diameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4 Inspection Tolerances for Center-to-End Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Mandatory Annex
I References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Nonmandatory Annex
A Quality System Program 11

X
 ASME B16.45-1998

CAST IRON FITTINGS

FOR SOVENT® DRAINAGE SYSTEMS

1 SCOPE (d) Connections shall conform to sizes and dimen­

sions listed in Table 1 or 2. Joint connections are
1.1 General designed for use with hubless soil pipe couplings con­
forming to the requirements of the Cast Iron Soil Pipe
This Standard for cast iron drainage fittings used
Institute Specification 310-85.
on self-aerating, one-pipe Sovent®1 drainage systems,
covers the following:
(a) description 3 SIZES
(b) sizes and methods for designating openings for
(a) Sizes and dimensions of fittings shall conform
reducing fittings
to dimensions in Table I or 2.
(c) marking
(b) Opening size sequence is illustrated in Figs. 3
(d) material
and 4.
(e) pitch
(j) design
(g) dimensions and tolerances 4 MARKING
(h) tests (a) Each fitting shall be marked with the manufactur­
er's name or trademark, and with "Sovent® ."
1.2 Quality Systems (b) Fittings of gray cast iron do not require material
Requirements relating to the product manufacturers' marking. If the manufacturer elects to use malleable
Quality System Programs are described in Annex A. iron or ductile iron, the fitting shall be marked with
"Ml" or "DI."
1.3 References
5 MATERIAL
Standards and specifications adopted by reference in
this Standard are shown in Annex I, which is part of (a) The material used to manufacture the fittings
this Standard. shall be in accordance with ASTM A 126, Grade A.
(b) At the option of the manufacturer, fittings may
be furnished of malleable iron complying with the
2 DESCRIPTION
requirements of ASTM A 197 or A 47, Grade 32510,
(a) These fittings are designed for use in buildings or of ductile iron complying with ASTM A 395 or A
utilizing the single-stack Sovent® system. 536, Grade 65-45-12.
(b) Fittings are designed to achieve satisfactory per­
formance within standards based on normal fixture load 6 PITCH
as per American Plumbing Industry Fixture Unit Values
for Drainage. 2 All nominal 90 deg drain openings shall be pitched
( c) Manufacturers are cautioned that configurations down toward the fitting in a slope of Y4 in./ft (2.1 % )
shown in Figs. l and 2 are critical. The dimensions of horizontal pipe with reference to a horizontal plane.
specified herein shall govern all cases.
3 The use of the word "nominal" as a modifier of a dimension or
1 ®Registered U. S. Patent and Trade Mark Office by 0. H. C. size is intended to indicate that the stated dimension or size is
used for purposes of designation only. The actual dimension may
Messner. be the nominal dimension subject to the variation of established
2 Reference: National Standard Plumbing Code - 1996 tolerances.
 CAST IRON FITTINGS
ASME 616.45-1998 FOR SOVENT® DRAINAGE SYSTEMS

7 DESIGN FEATURES 8.3 Outside and Inside Diameter of Fitting

(a) The liquid or air flow area on each side of baffle The diameters shall be within the tolerances shown
Q (see Fig. I) in the aerator fitting shall not be less in Table 3.
than the crossasectional area of the nominal pipe size
(NPS) of the main line. 8.4 Center-to-End Dimensions
(b) Aerator fittings with double soil entries shall The center-to-end dimensions shall be within the
have baffle P (see Fig. 1). tolerances shown in Table 4.
(c) The cross-sectional area (see Fig. 2) opposite
the baffle (flow area) on the deaerator fittings shall be 9 ALIGNMENT
from 1.2 to 1.4 times the nominal pipe size (NPS).
The maximum allowable variation in the alignment
of all openings shall be 0.06 in./ft (0.5%), except for
openings that are pitched.
8 DIMENSIONS AND TOLERANCES
10 TESTS
8.1 Dimensions
(a) Each fitting shall be subjected to a minimum
Dimensions in U.S. customary units given in Tables hydrostatic pressure of 25 psi. The fitting shall not
through 4 are the standard. For conversion to metric leak water or sweat at any part of the surface. Alternate
units, I in. = 25.4 mm. tests that demonstrate the same degree of soundness
and strength are acceptable.
8.2 Metal Thickness (b) Manufacturers shall inspect fittings prior to ship­
ment for the presence of cracks, holes, or other defects.
At no point in the castings shall the metal thickness ( c) Manufacturers shall be prepared to certify that
be less than 90% of the values listed in Table I. their products meet the requirements of this Standard.

2
CAST IRON FITTINGS FOR
SOVENT® DRAINAGE SYSTEMS ASME 916.45-1998

R
H--+---H
,, R

30 deg.

GENERAL NOTE: See Fig. 3 for designation of openings.

FIG. 1 AERATOR FITTING

3
 )>
en
s:
m
CD
�

�
<O
<O
00

TABLE 1 DIMENSIONS OF SOVENTe AERATOR FITTINGS

Opening Size [Note (1)]

NPS G) 0 G) © © © G) A 8 C D E F G H I J K L M N
3 3 X 3 X 3 X 3 X 2 X 2 X 2 19.50 8.25 5.00 2.00 4.25 3.00 3.66 3.66 3.16 1.66 2.00 6.31 2.00 [Note (2)]
4 4 X 4 X 4 X 4 X 2 X 2 X 3 24.75 10.75 7.00 3.00 4.00 4.00 4.25 4.25 4.19 2.23 2.50 9.75 3.00 [Note (2)1
5 5 X 5 X 4 X 4 X 2 X 2 X 3 30.75 13.75 7.00 3.00 7.00 5.13 6.22 6.22 6.25 2.73 3.50 12.50 3.00 [Note (2)1

6 6 X 6 X 4 X 4 X 2 X 2 X 3 30.75 13.75 7.00 3.00 7.00 5.13 6.72 6.72 6.75 3.23 3.50 13.13 3.00 [Note (2)1
8 8 X 8 X 4 X 4 X 2 X 2 X 3 36.00 15.00 13.00 3.00 5.00 6.00 7.00 7.00 6.50 4.31 3.50 14.88 2.00 [Note (2)1
... 8 8 X 8 X 6 X 6 X 4 X 4 X 6 36.00 15.00 13.00 3.00 5.00 6.00 7.00 7.00 6.50 4.31 4.50 14.88 2.00 [Note (2)]

GENERAL NOTE: Dimensions are in inc hes.

NOTES:
(1) Se e Fig. 3 for location of designatedsize dimensions.
(2) Nominal metal thickn ess:
NPS2=0.16
NPS 3 = 0.16
NPS4 = 0.19
NPS5=0.19
NPS6 = 0.19 "T1
NPS8 = 0.23 0
:IJ
en
�
m
z
ii
0 (')
:IJ )>
l> en
- -I
z_
)> :IJ
G) 0
mz
en .,
-< -
en =1
-I -
mz
s: G)
en en
CAST IRON FITIINGS FOR
SOVENT® DRAINAGE SYSTEMS ASME 616.45-1998

N (See Table 1)

-T
H

30 deg.

GENERAL NOTE: See Fig. 4 for designation of openings.

FIG. 2 DEAERATOR FITTING

TABLE 2 DIMENSIONS OF SOVENT® DEAERATOR FITTINGS

Opening Size

NPS A B C D E F G H

3 3 X 3 X 3 10.75 4.00 1.66 0.69 1.65 4.75 1.40 1.75

4 4 X 4 X 3 12.63 4.62 1.69 0.75 2.18 5.00 1.50 2.25
5 5 X 5 X 4 16.00 5.75 2.23 0.87 2.65 8.00 2.25 3.00

6 6 X 6 X 4 20.75 6.75 2.23 1.37 3.15 10.00 2.50 4.25

8 8 X 8 X 6 21.00 9.00 3.19 1.63 4.18 10.00 3.25 2.75

GENERAL NOTE: Dimensions are in inches.

5
 CAST IRON FITTINGS
ASME B16.45-1998 FOR SOVENT® DRAINAGE SYSTEMS

Left soil

0
Face waste

0 0
Left waste Right waste

© ©
8
FIG. 3 DESIGNATION OF OPENINGS: AERATOR FITTING

0 Pressure
relief outlet

FIG. 4 DESIGNATION OF
OPENINGS:DEAERATOR
FITTING

6
CAST IRON FITIINGS FOR
SOVENT® DRAINAGE SYSTEMS ASME B16.45-1998

TABLE 3 INSPECTION TOLERANCES FOR

DIAMETERS
Inside Outside
Diameter, Diameter,
NPS in. in.

2 2.00 ± 0.06 2.35 ± 0.09

3 3.00 ± 0.06 3.35 ± 0.09
4 4.00 ± 0.06 4.38 ± 0.09

5 4.94 ± 0.09 5.30 ± 0.09

6 5.94 ± 0.09 6.30 ± 0.09
8 7.94 ± 0.13 8.38 ± 0.13

TABLE 4 INSPECTION TOLERANCES FOR

CENTER-TO-END DIMENSIONS [Note (1)1
Center-to-End,
NPS Plus or Minus, in.

2 0.08
3 0.10
4 0.12

5 0.12
6 0.14
8 0.16
NOTE:
(1) The above limits apply to all fittings covered by this
Standard. Inspection limits for end-to-end dimensions
shall be double the limits for center-to-end dimensions.
The largest opening in the fitting governs the tolerance
to be applied to all openings.

7
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CAST IRON FITIINGS FOR
SOVENT® DRAINAGE SYSTEMS ASME 816.45-1998

ANNEX I
REFERENCES
(This Annex is an integral part of ASME 816.45-1998 and is placed after the main text for convenience.)

The following is a list of standards and specifications ISO 9000-1: 1994, Quality Management and Quality
referenced in this Standard. Assurance Standards - Part I: Guidelines for Selec­
tion and Use
National Standard Plumbing Code - 1996
ISO 9000-2: 1997, Quality Management and Quality
Publisher: National Standard Plumbing Code, 180 South Assurance Standards - Part 2: Generic Guidelines
Washington Street, Falls Church, VA 22040 for the Application of ISO 9001, ISO 9002, and
ASTM A 126-95, Specification for Gray Iron Castings ISO 9003
for Valves, Flanges, and Pipe Fittings ISO 9000-3: 1991, Quality Management and Quality
ASTM A 197-87 (Rl992), Specification for Cupola Assurance Standards - Part 3: Guidelines for the
Malleable Iron Application ofISO 9001 lo the Development, Supply,
ASTM A 395-88 (R 1993), Specification for Ferritic and Maintenance of Software
Ductile Iron Pressure-Retaining Castings for Use al ISO 900 I: 1994, Quality Systems - Model for Quality
Elevated Temperatures Assurance in Design, Development, Production, In­
ASTM A 536-84 (RI993), Specification for Ductile stallation, and Servicing
Iron Castings ISO 9002: 1994, Quality Systems - Model for Quality
Publisher: American Society for Testing and Materials Assurance in Production and Servicing
(ASTM) IOO Barr Harbor Drive, West Conshohocken, ISO 9003: 1994, Quality Systems - Model for Quality
PA 19428-2959 Assurance in Final Inspection and Test

CISPI 310-97, Hubless Cast Iron Soil Pipe Coupling Publisher: ISO International Organization for Standard­
Publisher: Cast Iron Soil Pipe Institute (CISPI), 5959 ization (ISO), I, rue de Varembc, Case postale 56
Shallow ford Road, Chattanooga, TN 37421 CH-1121 Geneve 20, Switzerland/Suisse

9
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 ANNEX A
QUALITY SYSTEM PROGRAM
(This is a nonmandatory part of ASME 616.45-1998 and is provided for informational purposes only.I

The products manufactured in accordance with this

Standard shall be produced under a quality system
program following the principles of an appropriate
standard from the ISO 9000 series. 1 A determination
of the need for registration and/or certification of the
product manufacturer's quality system program by an
independent organization shall be the responsibility of
the manufacturer. The detailed documentation demon­
strating program compliance shall be available to the
purchaser at the manufacturer's facility. A written sum­
mary description of the program utilized by the product
manufacturer shall be available to the purchaser upon
request. The product manufacturer is defined as the
entity whose name or trademark appears on the product
in accordance with the marking or identification require­
ments of this Standard.

1 The series is also available from the American National Standards

Institute (ANSI) and the American Society for Qualily (ASQ) as
American National Standards that are identified by a prefix "Q"
replacing the prefix "ISO." Each standard of the series is listed
under Annex I.

11
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 AMERICAN NATIONAL STANDARDS FOR PIPING,
PIPE FLANGES, FITTINGS, AND VALVES

Scheme for the Identification of Piping Systems ............................................................A13.1-1996

Pipe Threads, General Purpose (Inch) ............................................................. B1.20.1-1983(R1992)
Dryseal Pipe Threads (Inch) ...................................................................... B1.20.3-1976 (R1991)
Cast Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250......................................... B16.1-1998
Malleable Iron Threaded Fittings: Classes 150 and 300....................................................... B16.3-1998
Gray Iron Threaded Fittings: Classes 125 and 250 ........................................................... B16.4-1998
Pipe Flanges and Flanged Fittings (NPS 1;'2 Through NPS 24) ................................................. B16.5-1996
Factory-Made Wrought Steel Buttwelding Fittings........................................................... B16.9-1993
Face-to-Face and End-to-End Dimensions of Valves ........................................................ 816.10-1992
Forged Fittings, Socket-Welding and Threaded............................................................. B16.11-1996
Cast Iron Threaded Drainage Fittings ..................................................................... 616.12-1998
Ferrous Pipe Plugs, Bushings, and Locknuts with Pipe Threads .............................................. B16.14-1991
Cast Bronze Threaded Fittings: Classes 125 and 250................................................. 816.15-1985(R1994)
Cast Copper Alloy Solder Joint Pressure Fittings.................................................... 816.18-1984(R1994)
Metallic Gaskets for Pipe Flanges: Ring-Joint, Spiral-Wound, and Jacketed....................................616.20-1998
Nonmetallic Flat Gaskets for Pipe Flanges................................................................. 816.21-1992
Wrought Copper and Copper Alloy Solder Joint Pressure Fittings............................................ B16.22-1995
Cast Copper Alloy Solder Joint Drainage Fittings - DWV................................................... 616.23-1992
Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150,300,400,6 00,900, 1500, and 2500 ........... 616.24-1991
8uttwelding Ends....................................................................................... 816.25-1992
Cast Copper Alloy Fittings for Flared Copper Tubes ........................................................ 616.26 -1988
Wrought Steel Buttwelding Short Radius Elbows and Returns ............................................... 616.28-1994
Wrought Copper and Wrought Copper Alloy Solder Joint Drainage Fittings DWV ........................... B16.29-1994
Cast Copper Alloy Solder Joint Fittings for Sovent Drainage Systems ........................................ 616.32-1992
Manually Operated Metallic Gas Valves for Use in Gas Piping Systems up to 125 psig
(Sizes 1/2 Through 2) ................................................................................ B16.33-1990
Valves - Flanged, Threaded, and Welding End............................................................ B16.34-1996
Orifice Flanges ......................................................................................... B16.36 -1996
Large Metallic Valves for Gas Distribution (Manually Operated, NPS 21/2 to 12, 125 psig Maximum) ...... 816.38-1985(R1994)
Malleable Iron Threaded Pipe Unions..................................................................... 616.39-1998
Manually Operated Thermoplastic Gas Shutoffs and Valves in Gas Distribution Systems ................ B16.40-1985(R1994)
Functional Qualification Requirements for Power Operated Active Valve Assemblies
for Nuclear Power Plants ..................................................................... 816.41-1983(R1989)
Ductile Iron Pipe Flanges and Flanged Fittings, Classes 150 and 300 ......................................... B16.42-1998
Manually Operated Metallic Gas Valves for Use in House Piping Systems ....................................B16.44-1995
Cast Iron Fittings for Sovent® Drainage Systems........................................................... B16.45-1998
Large Diameter Steel Flanges (NPS 26 Through NPS 6 0) .................................................... 616.47-1996
Steel Line Blanks ....................................................................................... 816.48-1997
Power Piping............................................................................................ 631.1-1995
Fuel Gas Piping (not an ANSI standard) .................................................................... B31.2-196 8
Process Piping .......................................................................................... 831.3-1996
Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids................................... B31.4-1992
Refrigeration Piping...................................................................................... B31.5-1992
Gas Transmission and Distribution Piping Systems.......................................................... B31.8-1995
Building Services Piping.................................................................................. 631.9-1988
Slurry Transportation Piping Systems..................................................................... B31.11-1989
Manual for Determining the Remaining Strength of Corroded Pipelines ....................................... B31G-1991
Welded and Seamless Wrought Steel Pipe .............................................................. B36.10M-1995
Stainless Steel Pipe............................................................................ 836.19M-1985(R1994)
Self-Operated and Power-Operated Safety-Related Valves Functional Specification Standard............. N278.1-1975(R1992)

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