ISO 10432:1993

INTERNATIONAL IS0
10432
STANDARD
First edition
1993-12-15
Petroleum and natural gas industries -
Subsurface safety valve equipment -
Specification
Industries du p&role et du gaz na turel - Vannes de protection de fond
de puits - Sp&i fications
Reference number
OS0 10432:1993(E)

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IS0 10432:1993(E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work
of preparing International Standards is normally carried out through IS0
technical committees. Each member body interested in a subject for
which a technical committee has been established has the right to be re-
presented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work. IS0
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
Draft International Standards adopted by the technical committees are
circulated to the member bodies for voting. Publication as an International
Standard requires approval by at least 75 % of the member bodies casting
a vote.
International Standard IS0 10432 was prepared by the American Petro-
leum Institute (API) (as Spec 14A, 8th edition) and was adopted, under a
special “fast-track procedure”, by Technical Committee ISO/TC 67, Mate-
rials, equipment and offshore structures for petroleum and natural gas in-
dustries, in parallel with its approval by the IS0 member bodies.
0 IS0 1993
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced
or utilized in any form or by any means, electronic or mechanical, including photocopying and
microfilm, without permission in writing from the publisher.
lnternational Organization for Standardization
Case Postale 56 l CH-1211 Get-&e 20 l Switzerland
Printed in Switzerland

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0 IS0
IS0 10432:1993(E)
Introduction
International Standard IS0 10432:1993 reproduces the content of
API Spec 14A, 8th edition, 1994. ISO, in endorsing this API document,
recognizes that in certain respects the latter does not comply with all
current IS0 rules on the presentation and content of an International
Standard. Therefore, the relevant technical body, within lSO/TC 67, will
review IS0 ‘lO432:1993 and reissue it, when practicable, in a form com-
plying with these rules.
This standard is not intended to obviate the need for sound engineering
judgement as to when and where this standard should be utilized and
users of this standard should be aware that additional or differing require-
ments may be needed to meet the needs for the particular service in-
tended.
Standards referenced herein may be replaced by other international or
national standards that can be shown to meet or exceed the requirements
of the referenced standards.
Appendices A, B and C form an integral part of this standard.

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This page intentionally lef? blank

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IS0 10432:1993(E)
INTERNATIONAL STANDARD 0 IS0
- Subsurface
Petroleum and natural gas industries
- Specification
safety valve equipment
1 Scope
This International Standard provides the minimum acceptable requirements for subsurface safety valve equipment,
and all components that establish tolerances and/or clearances which may affect performance or interchangeability
of such equipment.
2 Requirements
Requirements are specified in:
“API Specification 14A (Spec 14A), Eighth Edition, January 1, 1994- Specification for Subsurface Safety Valve
Equipment”,
which is adopted as IS0 10432.
I apply to specific clauses and para-
For the purposes of international standardization, however, modifications shal
graphs of publication API Spec 14A. These modifications are outlined below.
Page 8
Information given in the POLICY is relevant to the API publication only.
Page 10
Subclause 1.4, Referenced standards
API standards referenced in table 1 .l and listed hereafter are available under the following IS0 references:
API RP 148 as IS0 10417
API Spec 5CT as IS0 11960 (at present under study)
API Std.5B as IS0 10422
Page 60
Appendix A - Metric conversion
Throughout publication API Spec 14A, the conversion of English units shall be made in accordance with IS0 31.
The content of Appendix A shall read as given below.
LENGTH 1 inch (in) = 25,4 mm (exactly)
= 304,8 mm or 0,3048 m (exactly)
1 foot (ft)

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ISO 10432:1993(E)
PRESSURE 1 pound-force per square inch Ibf/in*)
= 6,894757 Pa
or psi
NOTE ‘I bar = IO5 Pa
STRENGTH OR STRESS 1 pound-force per square inch Ibf/in*) = 6,894757 Pa
IMPACT ENERGY 1 foot-pound force (ftlbf) = I,355818 J
TORQUE 1 foot-pound force (ftlbf)
= I,355818 N.m
TEMPERATURE The following formula was used to convert degrees Fahrenheit (OF) to degrees
Celsius (“0
“C = 519 (“F - 32)
MASS ‘I pound (lb) = 0,453 592 37 kg (exactly)
VOLUME 1 cubic foot (ft3) = 0,02831685 m3
or 28,31685 dm3
FLOW RATE 1 cubic foot per minute (ft3/min) = 0,028 316 85 m3/min
or 40,776 192 m3/day
Page 64
Appendix D - Test agency license criteria
Information given in Appendix D is relevant to the API publication only.

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IS0 10432:1993(E)
Specification for
Subsurface Safety Valve
Equipment
API SPECIFICATION 14A (SPEC 14A)
EIGHTH EDITION, JANUARY 1, 1994
American Petroleum Institute
1220 L Street, Northwest
Washington, DC 20005
Strategies for Tar
Environmental Partnership

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IS0 10432:1993(E)

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IS0 10432:1993(E)
Issued by
AMERICAN PETROTLEUM INSTITUTE
Exploration & Production Department
FOR INFORMATION CONCERNING TECHNICAL CONTENTS OF
THIS PUBLICATION CONTACT THE API EXPLORATION & PRODUCTION DEPARTMENT,
1201 MAIN STREET, SUITE 2535, DALLAS, TX 75202-3994 - (214) 748-3841.
SEE BACK COVER FOR INFORMATION CONCERNING HOW TO OBTAIN
ADDITIONAL COPIES OF THIS PUBLICATION.
Users of this publication should become familiar with its scope
and content. This publication is intended to supplement rather
than replace individual engineering judgment.
OFFlClAL PUBLICATION
REG. U.S. PATENT OFFICE
Copyright 0 1994 American Petroleum Institute

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IS0 10432:1993(E)
American Petroleum Institute
2
TABLE OF CONTENTS
Page
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POLICY 4
FOREWORD .0.
5
,.~.
SECTION 1 - SCOPE 6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.
1.1 PURPOSE 6
1.2 COVERAGE . .*.
6
1.3 CLASS OF SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .~.
6
1.4 REFERENCED STANDARDS . . . . . . . . . . . . . . . . . . . . . . . . .*.
6
1.5 APPENDICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
1.6 ABBREVIATIONS AND DEFINITIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6
SECTION 2 - DESIGN REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 DESIGN REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.2 FUNCTIONAL CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.3 DESIGN CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
2.4 VERIFICATION TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10
SECTION 3 - MATERIALS . 11
3.1 GENERAL . 11
3.2 METALS . 11
3.3 NON-METALS . 11
3.4 TRACEABILITY . 11
- QUALITY CONTROL REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
SECTION 4
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
41 .
DOCUMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
42 .
PERSONNEL QUALIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43 . 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
44 . CALIBRATION SYSTEMS 12
ELASTOMERIC MATERIALS INSPECTION
45 . . . . . . . . . . . . .~. 12
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4:6 DIMENSIONAL INSPECTION 12
47 THREAD INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4:8 WELDING AND BRAZING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.9 HEAT TREATING EQUIPMENT QUALIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.10 COATINGS AND OVERLAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.11 MECHANICAL AND PHYSICAL PROPERTIES
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.12 NDE REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
SECTION 5 - TESTING . 15
..............................................................................................................
5.1 GENERAL 15
5.2 VERIFICATION TESTING .
15
5.3 FUNCTIONAL TESTING .
18
5.4 GENERAL REQUIREMENTS FOR SSSV VERIFICATION TEST FACILITY. 18
5.5 SCSSV VERIFICATION TEST PROCEDURE .
18
5.6 SCSSV GAS FLOW TEST .
27
..........................................................................................................
5.7 DRIFT TEST 28
5.8 LIQUID LEAKAGE TEST . 28
5.9 UNEQUALIZED OPENING TEST . 29
5.10 OPERATING PRESSURE TEST . 29
5.11 PROPANE TEST . 29
5.12 NITROGEN LEAKAGE TEST . 36
5.13 SCSSV CLASS 1 FLOW TEST . 36
6

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IS0 10432:1993(E)
Spec 14A: Subsurface Safety Valve Equipment
3
TABLE OF CONTENTS (Continued)
CONTROLLED TEMPERATURE TEST
5.14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
38
5.15 SCSSV CLASS 2 FLOW TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .~.
39
5.16 SSCSV VERIFICATION TEST PROCEDURE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
39
SSCSV GAS CLOSURE TEST
5.17 . . . . . . . . .*.
41
5.18 LIQUID CLOSURE TEST .*.~.
42
5.19 SSCSV CLASS 1 FLOW TEST
o.
43
5.20 SSCSV CLASS 2 FLOW TEST
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
43
5.21 FUNCTIONAL TESTING SCSSV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.
43
5.22 FUNCTIONAL TESTING SSCSV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
48
5.23 SAFETY VALVE LANDING NIPPLE TESTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50
5.24 SAFETY VALVE LOCK TESTING
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50
5.25 VERIFICATION TEST FOR SEALS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51
IDENTIFICATION DOCUMENTATION AND SHIPPING
SECTION 6 -
61 . IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
62 . SUPPLIED DOCUMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
63 . RETAINED DOCUMENTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
64 . SHIPPING .,.
53
65 . MINIMUM CONTENTS OF MANUFACTURERS OPERATING MANUAL . . . . 53
66 . FAILURE ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55
APPENDICES
A METRIC CONVERSION
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.
56
B SUGGESTIONS FOR ORDERING SUBSURFACE
SAFETY VALVE EQUIPMENT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57
C FAILURE REPORTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58
D TEST AGENCY LICENSE CRITERIA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.
60

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IS0 10432:1993(E)
API PUBLICATIONS NECESSARILY ADDRESS PROB- ALS IS PUBLISHED ANNUALLY AND UPDATED
LEMS OF A GENERAL NATURE. WITH RESPECT TO QUARTERLY BY API, 1220 L. ST., N.W., WASHING-
PARTICULAR CIRCUMSTANCES, LOCAL, STATE TON, DC 20005.
AND FEDERAL LAWS AND REGULATIONS SHOULD
American Petroleum Institute (API) Specifications are
BE REVIEWED.
published as aids to the procurement of standardized
equipment and materials as well as instructions to manu-
API IS NOT UNDERTAKING TO MEET DUTIES OF
facturers of equipment or materials covered by an API
EMPLOYERS, MANUFACTURERS OR SUPPLIERS TO
Specification. These Speci$cations are not intended to
WARN AND PROPERLY TR.AIN AND EQUIP THEIR
obviate the need for sound engineering, nor to inhibit in
EMPLOYEES, AND OTHERS EXPOSED, CONCERN-
any way anyone from purchasing or producing products
ING HEALTH AND SAFETY RISKS AND PRECAU-
to other specifications.
TIONS, NOR UNDERTAKING THEIR OBLIGATIONS
UNDER LOCAL, STATE, OR FEDERAL LAWS.
The formulation and publication of API Specifications
and the API monogram program is not intended in any
NOTHING CONTAINED IN ANY API PUBLICATION
way to inhibit the purchase of products from companies
IS TO BE CONSTRUED AS GRANTING ANY RIGHT,
not licensed to use the API monogram.
BY IMPLICATION OR OTHERWISE, FOR THE MANU-
FACTURE, SALE, OR USE OF ANY METHOD, APPA-
API Specifications may be used by anyone desiring to do
RATUS, QR PRODUCT COVERED BY LETTERS
so, and diligent effort has been made by the Institute to
PATENT. NEITHER SHOULD ANYTHING CON-
assure the accuracy and reliability of the data contained
TAINED IN THE PUBLICATION BE CONSTRUED AS
therein. However, the Institute makes no representa-
INSURING ANYONE AGAINST LIABILITY FOR IN-
tion, warranty or guarantee in connection with the pub-
FRINGEMENT OF LETTERS PATENT.
lication of any API Specification and hereby expressly
disclaims any liability or responsibility for loss or dam-
GENERALLY, API STANDARDS ARE REVIEWED AND
age resulting from their use, for any violation of any
REVISED, REAFFIRMED, OR WITHDRaAWN AT LEAST
federal, state, or municipal regulation with which an API
EVERY FIVE YEARS. SOMETIMES A ONE-TIME EX-
Specification may conflict or for the infringement of any
TENSION OF UP TO TWO YEARS WILL BE ADDED
patent resulting from the use of an API Specification.
TO THIS REVIEW CYCLE. THIS PUBLICATION WILL
Any manufacturer marking equipment or materials in
NO LONGER BE IN EFFECT FIVE YEARS AFTER ITS
PUBLICATION DATE AS AN OPERATIVE API STAN- conformance with the marking requirements of an API
Specification is solely responsible for complying with all
DARD OR, WHERE AN EXTENSION HAS BEEN
the applicable requirements of that Specification. The
GRANTED, UPON REPUBLICATION. STATUS OF THE
American Petroleum Institute does not represent, war-
PUBLICATION CAN BE ASCERTAINED FROM THE
API AUTHORING DEPARTMENT (TEL 214-748-3841). rant or guarantee that such products do in fact conform
to the applicable API Specification.
A CATALOG OF API PUBLICATIONS AND MATERI-

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IS0 10432:1993(E)
Spec MA: Subsurface Safety Valve Equipment
5
FOFtEWORD
RP 14G, Recommended Practice for fire Prevention and
This standard was developed as an API specification
under the jurisdiction of the API Exploration & Produc- Control on Open Type Offshore Production Platforms.
tion Department Committee on Standardization of Off-
RP 14H, Recommended Practice for Use of Surface Safety
shore Safety and Anti-Pollution Equipment (OSAPE),
VaZves and Underwater Safety VaZves Offshore.
and was prepared with the guidance of the API, the
Offshore Operators Committee (OOC) and the Western
RP 14J, Recommended Practice for Design and Hazards
States Petroleum Association (WSPA).
Analysis for Offshore Production FaciZities.
The API OSAPE Committee has the following scope:
API specifications and recommended practices for safety
This is the Eighth Edition of this publication and super-
and anti-pollution equipment and systems used in ~ff-~
sedes all previous editions. It includes changes to the
shore oil and gas production, giving emphasis when ap- Seventh Edition approved by letter Ballot.
propriate in such standards to manufacturing, equip-
ment testing and systems analysis methods. Request for interpretations of this specification, proposed
revisions, or requests for permission to reproduce or
Other publications formulated by this committee are:
translate all or any part of the material herein should be
RP 14B, Recommended Practice for Design, InstaZZation,
addressed to the Director, Exploration & Production De-
Repair and Operation of Subsurface Safety Valve
partment, 1201 Main Street, Suite 2525, Dallas, TX 75202-
Sys terns.
3994.
RP 14C, Recommended Practice for Analysis, Design,
This Standard shall become effective on the date printed
InstaUation and Testing of Basic Surface Safety Systems
on the cover but may be used voluntarily from the date
on Offshore Production Platforms.
of distribution.
Spec. 14D, Specification for Wellhead Surfbce Safety VaZves
and Underwater Safety Valves for Offshore Service.
API specifications usually include bar notations in the
RP 14E, Recommended Practice for Design and InstaZZa-
margins to indicate items that have been changed from
tion of Offshore Production PZatform Piping Systems.
the previous edition. These bar notations have not been
included in this document due to the extensiveness of the
RP 14F, Recommended Practice for Design and InstaZZa-
changes made. Every section of this document includes
tion of Electrical Systems for Offshore Production
changes from the previous edition.
PZatforms.

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IS0 10432:1993(E)
American Petroleum Institute
6
SECTION 1
SCOPE
mandatory. Referenced standards used by the Manu-
1.1 PURPOSE
facturer may be either the applicable revision shown
1.1.1 This specification was formulated to provide
in Table 1.1 or the latest revision.
the minimum acceptable requirements for Sub-
1.5 APPENDICES. A
surface Safety Valve (SSSV) Equipment. ppendices are for information
only.
1.1.2 To be qualified in accordance with this specifi-
1.6 ABBREVIATIONS AND DEFINITIONS. The fol-
cation, SSSV Equipment shall meet all the
lowing abbreviations and definitions are used in this
applicable requirements of this specification.
specification:
1.2 COVERAGE. This specification covers Subsurface
AISI
- American Iron & Steel Institute
Safety Valves, Safety Valve Locks, Safety Valve
ANSI - American National Standards
Landing Nipples, and all components that establish
tolerances and/or clearances which may affect per- Institute
formance or interchangeability of the SSSV Equip-
API - American Petroleum Institute
ment. Safety Valve Locks, Safety Valve Landing
- Acceptance Quality Level
AQL
Nipples and SSSVs manufactured by different fa-
cilities or Manufacturers may be supplied as sepa-
ASME - American Society of Mechanical
rate items.
Engineers
1.3 CLASS OF SERVICE. SSSV Equipment manufac- ASTM - American Society for Testing and
tured in accordance with this specification shall Materials
conform to one or more of the following classes of
BEAN - The orifice or designed restriction
service:
causing the pressure drop in ve-
locity type SSCSVs.
Class 1. Standard Service. This class of SSSV
Equipment is intended for use in wells
BS
- British Standards
which do not exhibit the detrimental ef-
CHLORIDE
- Cracking under the combined ac-
fects caused by sand or corrosive agents.
STRESS tion of tensile stress and corro-
Class 2. Sandy Service. This class of SSSV Equip- CORROSION sion in the presence of chlorides
ment is intended for use in wells where CRACKING and water.
a substance such as sand could be ex-
END - SSSV Equipment/Tubular con-
pected to cause SSSV Equipment failure.
CONNECTION
necting interface.
Class 2 SSSV Equipment must also meet
FAILURE - Any condition of SSSV Equipment
the requirements for Class 1 service.
that prevents it from performing
Class 3. Stress Corrosion Cracking Service.
the design function.
This class of SSSV Equipment is intended
FUNCTIONAL - Testing performed to confirm
for use in wells where corrosive agents
TEST proper operation of sssv
could be expected to cause stress corro-
Equipment.
sion cracking. Class 3 equipment must
meet the requirements for Class 1 or Class
MANUFACTURER - The principal agent in the design,
2 and be manufactured from materials
fabrication and furnishing of SSSV
which are resistant to stress corrosion
Equipment who chooses to com-
cracking. Within this service class there
ply with this specification.
are two divisions, 3s for sulfide stress
MIL-STD - Military Standard
cracking service and 3C for chloride stress
cracking service. Metallic materials, suit- MODEL - SSSV Equipment with unique in-
able for a 3s environment, shall be in ternal part(s) and operating char-
acteristics which differentiate it
accordance with NACE MR0175.
from other SSSV Equipment of
Class 4. Weight Loss Corrosion Service. This
the same type. It may have any of
class of SSSV Equipment is intended for
a variety of end connections.
use in wells where corrosive agents could
NACE - National Association of Corrosion
be expected to cause weight loss corrosion.
Engineers
Class 4 equipment must meet the require-
ments for Class 1 or Class 2 and be manu-
NDE - Nondestructive Examination
factured from materials which are resist-
OPERATING - The publication issued by the
ant to weight loss corrosion.
Manufacturer which contains
MANUAL
detailed data and instructions re-
1.4 REFERENCED STANDARDS. This specification
lated to the design, installation,
includes by reference, either in total or in part,
operation and maintenance of
other API, industry and government standards listed
SSSV Equipment.
in .Table 1.1. Where cited these requirements are
10

---------------------- Page: 14 ----------------------
IS0 10432:1993(E)
Spec 14A: Subsurface Safety Valve Equipment
7
SECTION 1.6 SCOPE (continued)
SECTION 1.6
OPERATOR - The user of SSSV Equipment. SV LOCK
- A Safety Valve Lock is a device
attached to or a part of the SSSV
WE-AS - Society of Automotive Engineers,
that holds the SSSV in place.
Inc. - Aerospace Standard
- A Surface Controlled Subsurface
scssv
Safety Valve is an SSSV con- SVLN - A Safety Valve Landing Nipple is
trolled from the surface.
a receptacle with internal sealing
surfaces in which an SSSV may
SNT - Society. for Nondestructive
be installed. It may include
Testing
recesses for locking devices to hold
sscsv - A Subsurface Controlled Subsur-
the SSSV in place and may be
face Safety Valve is an SSSV ac-
ported for communication to an
tuated by the characteristics of
outside source for SSSV operation.
the well.
sssv - A Subsurface Safety Valve is a
TEST
- Any independent third party
device whose design function is
AGENCY which provides a test facility and
to prevent uncontrolled well flow
administers a test&g program that
when closed. These devices may
meets the Verification Test re-
be installed and retrieved by
quirements of this specification.
wireline or pump down methods
(Wireline Retrievable) or be an
-
integral part of the tubing string
TYPE - SSSV Equipment with unique
(Tubing Retrievable).
characteristics which differen-
tiate it from other SSSV Equip-
sssv - The Subsurface Safety Valve,
ment. The SCSSV, the Velocity
EQUIPMENT Safety Valve Lock, Safety Valve
Type SSCSV and the Low Tubing
Landing Nipple, and all compo-
Pressure Type SSCSV are ex-
nents that establish tolerances
amples of SSSV types.
and/or clearances which may af-
fect performance or interchange-
ability of the SSSV Equipment.
VERIFICATION
- Testing performed to qualify a
TEST
STRESS - Cracking which results from a particular size, type and model of
SSSV Equipment for a specific
CORROSION combination of corrosion and
Class of Service.
CRACKING stress when susceptible materi-
als are exposed to specific corro-
sive media.
WEIGHT
- Loss of metal in areas exposed
SULFIDE - Cracking under the combined LOSS to fluids which contain water or
STRESS CORROSION
action of tensile stress and cor- brine and carbon dioxide (CO,), or
...