MSS SP-96-2017 Terminology for Valves Fittings and Their Related Components.pdf

1、MSS SP-96-2017 Terminology for Valves, Fittings, and Their Related ComponentsStandard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, Virginia 22180-4602 Phone: (703) 281-6613 Fax: (703) 281-6671 E-mail

2、: standardsmsshq.org www.msshq.org MSS STANDARD PRACTICE SP-96i This MSS Standard Practice was developed under the consensus of the MSS Technical Committee 302 and the MSS Coordinating Committee. In addition, this Standard Practice was approved by an ANSI/MSS Consensus Committee and ANSI as a revise

3、d American National Standard. The content of this Standard Practice is the resulting efforts of competent and experienced volunteers to provide an effective, clear, and non-exclusive standard that will benefit the industry as a whole. This MSS Standard Practice describes minimal requirements and is

4、intended as a basis for common practice by the manufacturer, the user, and the general public. The existence of an MSS Standard Practice does not in itself preclude the manufacture, sale, or use of products not conforming to the Standard Practice. Mandatory conformance to this Standard Practice is e

5、stablished only by reference in other documents such as a code, specification, sales contract, or public law, as applicable. MSS has no power, nor does it undertake, to enforce or certify compliance with this document. Any certification or other statement of compliance with the requirements of this

6、Standard Practice shall not be attributable to MSS and is solely the responsibility of the certifier or maker of the statement. “Unless indicated otherwise within this MSS Standard Practice, other standards documents referenced to herein are identified by the date of issue that was applicable to thi

7、s Standard Practice at the date of approval of this MSS Standard Practice (see Annex A). This Standard Practice shall remain silent on the validity of those other standards of prior or subsequent dates of issue even though applicable provisions may not have changed.” By publication of this Standard

8、Practice, no position is taken with respect to the validity of any potential claim(s) or of any patent rights in connection therewith. MSS shall not be held responsible for identifying any patent rights. Users are expressly advised that determination of patent rights and the risk of infringement of

9、such rights are entirely their responsibility. In this Standard Practice, all text, notes, annexes, tables, figures, and references are construed to be essential to the understanding of the message of the standard, and are considered normative unless indicated as “supplemental”. All appendices, if i

10、ncluded, that appear in this document are construed as “supplemental”. Note that supplemental information does not include mandatory requirements. This Standard Practice has been substantively revised from the previous 2011 edition. It is suggested that if the user is interested in knowing what chan

11、ges have been made, that a direct page by page comparison should be made of this document and that of the previous edition. Excerpts of this Standard Practice may be quoted with permission. Credit lines should read Extracted from ANSI/MSS SP-96-2017 with permission of the publisher, Manufacturers St

12、andardization Society of the Valve and Fittings Industry. Reproduction and/or electronic transmission or dissemination is prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc. All rights reserve

13、d. Originally Published: September 1986 Current Edition Approved by MSS: September 2016 Current Edition Approved by ANSI: January 2017 Current ANSI/MSS Revised Edition Published: April 2017 MSS is a registered trademark of Manufacturers Standardization Society of the Valve and Fittings Industry, Inc

14、. Copyright , 2017 by Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A. MSS STANDARD PRACTICE SP-96ii FOREWORD Valves and fittings were being manufactured in the United States for many years before the first standards were written. In selecting names fo

15、r these products and their component parts, manufacturers chose terms which seemed appropriate to the configuration and intended use. Uses expanded and changed, and manufacturers sometimes found that logical choices of terminology had been preempted by other products. The result has been that valves

16、, fittings, and parts of similar configuration or intended use sometimes have more than one name. In other cases, the same name has been applied to assemblies or parts of different configuration and function. The absence of a common set of preferred terminology has contributed to variations being us

17、ed by individual manufacturers and the industry in general. This Standard Practice has been developed to serve two functions: 1) To assist the users of valves, fittings, and their related components in communicating with their manufacturers. 2) To promote standardization in the usage of terminology

18、and acronyms within the industry. This Standard Practice provides definitions of the preferred items, and provides cross referencing to the appropriate preferred terms for other commonly used terminology. The 2011 American National Standard (ANS) edition was published in 2014, after successful ballo

19、ting with the ANSI/MSS Consensus Committee and final approval by the American National Standards Institute (ANSI). This 2017 revised American National Standard edition was ANSI-approved and published in 2017 after being substantively revised, reformatted, and approved by MSS in 2016, then being subm

20、itted unpublished to the ANSI/MSS Consensus Committee balloting and ANSI final approval process. NOTICE REGARDING NEW PROPOSALS: SP-96 is subject to the periodic review procedure common to standards; however, proposed inclusions and updates can be submitted by anyone to MSS, at any time, by sending

21、correspondence to: standardsmsshq.org. Proposals will be collected and transmitted to MSS Committee 302 for consideration. MSS STANDARD PRACTICE SP-96iii This Page Intentionally Left Blank Manufacturers Standardization Society of the Valve and Fittings Industry MSS STANDARD PRACTICE SP-96iv TABLE OF

22、 CONTENTS SECTION PAGE 1 SCOPE . 1 2 DOCUMENT SOURCES AND ACRONYMS 1 3 GLOSSARY OF TERMS 5 4 ABBREVIATIONS . 42 ANNEX A Reference Standards and Applicable Dates . 46 MSS STANDARD PRACTICE SP-961 TERMINOLOGY FOR VALVES, FITTINGS, AND THEIR RELATED COMPONENTS 1. SCOPE1.1 This Standard Practice lists a

23、nd defines principle terms, acronyms, and abbreviations that are widely used to describe valves, fittings, and their related components. It is comprised of separate sections which contain: Acronyms for organizations whose documents are applicable to valves, fittings, and their relatedcomponents, and

24、 a brief summary of the applicable area of interest as it relates to this subject. A glossary of terms used within the valve and fittings industry, including standards developers,to describe design, operation, and performance characteristics. Abbreviations commonly used in the valve and fittings ind

25、ustry.2. DOCUMENT SOURCES AND ACRONYMSA number of technical societies, Standards Development Organizations (SDOs), trade associations, and governmental agencies promulgate codes, standards, or specifications that are pertinent to the valve and fittings industry. Many SDOs are recognized throughout t

26、he valve and fittings industry, while others are relevant to specific services, segments, or regions, while others are applicable to all usages within a specific industry. The organizations and their acronyms most frequently referenced, and their relationship to the valve and fittings industry, are

27、listed below in alphabetical order (according to acronym): AAR Association of American Railroads publishes design and dimensional standards for bronze valves and 300 psi pressure rating, malleable pipe fittings used by railroads. ABS American Bureau of Shipping publishes safety standards for shipbui

28、lding, including specifications for valves and fittings used in commercial maritime service. ACI Alloy Castings Institute publishes material specifications for heat and corrosion resistant alloys. AESC American Engineering Standards Committee one of the precursor structures of ANSI; from 1916 to 192

29、8. AFS American Foundry Society publishes information on casting methods, procedures, and practices that are basic references for product design, procurement, and inspection of cast products. AGA American Gas Association a trade association that represents companies which deliver natural gas to cust

30、omers. Promotes and advocates for natural gas industry issues, regulatory constructs and business models that are priorities for their industry. See “CSA” with regard to gas distribution markings. AISI American Iron and Steel Institute a trade association that represents the North American steel ind

31、ustry; membership comprised of furnace steelmakers and suppliers to or customers of the steel industry. ANSI American National Standards Institute serves as administrator of the United States voluntary standardization system by accrediting the procedures of standards developing organizations (SDOs);

32、 known as ASDs or Accredited Standards Developers. ANSI originally organized in 1916 as the American Engineering Standards Committee (AESC). MSS STANDARD PRACTICE SP-962 In 1928, it was reorganized and renamed the American Standards Association (ASA), then reorganized in 1966 as the United States of

33、 America Standards Institute (USASI), and finally adopted its current name in 1969. Note that ANSI is also the sole U.S. member body to the ISO and IEC. API American Petroleum Institute a trade association and SDO that publishes standards for systems and equipment related to the oil and natural gas

34、industry. ASA American Standards Association one of the precursor structures of ANSI (1928 to 1966). ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers a trade association and SDO that publishes standards for systems and equipment related to the built environment; forma

35、lly known as American Society of Heating and Ventilating Engineers (ASHVE). ASME American Society of Mechanical Engineers (also known as ASME International) publishes codes, standards and specifications for materials, products, systems, services, and test methodologies involving a full range of tech

36、nical fields, including the valves and fittings industry. ASNT American Society for Non-Destructive Testing publishes specifications for non-destructive examination procedures and methods for parts of valves and fittings. ASQ American Society for Quality Control publishes specifications applicable t

37、o valve and fitting components covering systems and procedures for quality assurance. ASSE American Society of Sanitary Engineering publishes plumbing and sanitary-related standards, and certifies plumbing and mechanical products and personnel. ASTM ASTM International (previously known as American S

38、ociety for Testing and Materials) publishes standards for materials, products, systems, services, including test methodology used in the manufacture of valves and fittings. AWS American Welding Society publishes specifications for materials and procedures used in welding and weld repair. AWWA Americ

39、an Water Works Association publishes standards for valves and piping used in water systems. CDA Copper Development Association publishes chemical specifications for copper alloys; supplements ASTM specifications for valve and fitting materials. CGA Compressed Gas Association publishes technical info

40、rmation, standards, and recommendations for the manufacture, storage, transportation, distribution, and use of industrial gases. See “CSA” with regard to gas distribution markings. CI Chlorine Institute publishes special material-requirements and procedures for piping components used in the producti

41、on and handling of chlorine. CSA Canadian Standards Association (operating as CSA Group) publishes standards for fuel gas systems and for other gas appliances and accessories, which are relevant to valves and fittings. Through its commercial subsidiaries, CSA Group engages in testing, certification,

42、 marking, and related activities. With regard to certification markings, manufacturers are required (as of 2000) to replace the “AGA“ and the “CGA“ markings with the “CSA“ marking on all gas components. The “CSA“ marking denotes compliance with applicable AGA and CGA safety standards. All valve prod

43、ucts that are rated (formerly by International Approval Services and then by CSA International) for gas distribution are affected. DIPRA Ductile Iron Pipe Research Association publishes information on research, design, applications, and corrosion protection for ductile iron pipe. MSS STANDARD PRACTI

44、CE SP-963 FCI Fluid Controls Institute publishes standards and practices for capacity, design, efficiency, manufacture, and terminology of control equipment; including valves for gas, hydraulic, pneumatic circuits, and steam. FED STDS United States Government Specifications and Standards publishes s

45、tandards and specifications for valves and fittings used for federal, non-military and civilian applications. FM Approvals FM Approvals certifies products and services with a focus on objectively testing property loss prevention products and services and certifying those that meet rigorous loss prev

46、ention standards. A member of the FM Global Group; see FM Global. Note that FM Approvals was previously known as FMRC (Factory Mutual Research Corporation/FM Research Corporation). FM Global FM Global provides comprehensive global commercial and industrial property insurance, engineering-driven unde

47、rwriting and risk management solutions, property loss prevention research and professional claims handling. FM Global officially refers to Factory Mutual Insurance Company, including its subsidiaries, affiliates and brands. FM Global offers worldwide industrial and commercial product certification a

48、nd testing services through FM Approvals. IAPMO International Association of Plumbing and Mechanical Officials publishes the Uniform Plumbing Code and Uniform Mechanical Code and provides product certifications and training materials. IEC International Electrotechnical Commission publishes internati

49、onally agreed standards and specifications for control valves, electrical and electronic systems and apparatus. IEEE Institute of Electrical and Electronics Engineers publishes internationally accepted standards and technical literature for electrical and electronic equipment, information technology, and other technically-oriented products and services. IFI Industrial Fasteners Institute publishes specifications for bolting and fasteners used in the manufacture of valves and fittings. ISA International Society of Automat