MSS-SP-114-2007.pdf
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1、 MSS SP-114-2007 Corrosion Resistant Pipe Fittings Threaded and Socket Welding Class 150 and 1000 Standard Practice Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. 127 Park Street, NE Vienna, Virginia 22180 Phone: (703) 281-6613 Fax: (703)
2、 281-6671 E-mail: infomss-hq.org www.mss-hq.org Copyright MSS Provided by IHS under license with MSSLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 05/07/2007 21:10:47 MDTNo reproduction or networking permitted without license from IHS -,-,- MSS STANDARD PRACTICE SP-114 i This M
3、SS Standard Practice was developed under the consensus of the MSS Technical Committee 108 and the MSS Coordinating Committee. The content of this Standard Practice is the result of the efforts of competent and concerned volunteers to provide an effective, clear, and non-exclusive specification that
4、will benefit the industry as a whole. This MSS Standard Practice is 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 Sta
5、ndard Practice. Mandatory conformance is established only by reference in a code, specification, sales contract, or public law, as applicable. Unless otherwise specifically noted in this MSS SP, any standard referred to herein is identified by the date of issue that was applicable to the referenced
6、standard(s) at the date of issue of this MSS SP. (See Annex A.) Non-toleranced dimensions in this Standard Practice are nominal, and, unless otherwise specified, shall be considered “for reference only”. In this Standard Practice all notes, annexes, tables, and figures are construed to be essential
7、to the understanding of the message of the standard, and are considered part of the text unless noted as “supplemental“. All appendices appearing in this document are construed as “supplemental“. Supplemental“ information does not include mandatory requirements. Substantive changes in this 2007 edit
8、ion are “flagged” by parallel bars as shown on the margins of this paragraph. The specific detail of the change may be determined by comparing the material flagged with that in the previous edition. Any part of this standard may be quoted. Credit lines should read Extracted from MSS SP-114, 2007 wit
9、h permission of the publisher, the Manufacturers Standardization Society. Reproduction prohibited under copyright convention unless written permission is granted by the Manufacturers Standardization Society of the Valve and Fittings Industry Inc. Originally Approved May, 1995 Copyright , 1995 by Man
10、ufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A. Copyright MSS Provided by IHS under license with MSSLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 05/07/2007 21:10:47 MDTNo reproduction or networking permitted without license from I
11、HS -,-,- MSS STANDARD PRACTICE SP-114 ii FOREWORD This document established a standard for corrosion resistant pipe fittings, threaded and socket-welding. Class 150 and Class 1000, produced for a number of years by various manufacturers to somewhat different dimensions although basically similar in
12、principle. These fittings were originally developed for use in the paper, food, pharmaceutical, distillery, sanitary, chemical, petro-chemical, and other corrosive and high temperature industry environments. The original design of these fittings was based on the dimensions of ASME B16.3, Malleable I
13、ron Threaded Fittings. This Standard Practice, originally approved May 1995, was revised in 2001 to include Class 150 and Class 1000 square head plugs, hex head plugs and bushings, locknuts, and threaded and socket-welding unions. Copyright MSS Provided by IHS under license with MSSLicensee=IHS Empl
14、oyees/1111111001, User=Wing, Bernie Not for Resale, 05/07/2007 21:10:47 MDTNo reproduction or networking permitted without license from IHS -,-,- MSS STANDARD PRACTICE SP-114 iii TABLE OF CONTENTS SECTION PAGE 1 SCOPE. 1 2 PRESSURE-TEMPERATURE RATINGS. 1 3 SIZE. 1 4 MARKING 2 5 MATERIAL. 2 6 DIMENSI
15、ONS AND TOLERANCES 3 7 THREADING 3 8 SOCKET WELDING 4 9 RIBS. 4 10 PLUGS, BUSHINGS, AND LOCKNUTS 4 11 FACE BEVEL . 4 12 WELDING. 4 13 TESTING. 4 14 PIPE UNIONS. 4 TABLE 1 Pressure-Temperature Ratings. 1 2 Center-to-End Tolerances 3 3 Dimensions of Class 150 Cast Threaded 90 Elbows, Tees, Crosses, an
16、d 45 Elbows. 5 4 Dimensions of Class 150 Cast Threaded 90 Street Elbows 6 5 Dimensions of Class 150 Cast Threaded Couplings (Straight and Reducing Sizes). 7 6 Dimensions of Class 150 Cast Threaded Caps 8 7 Dimensions of Class 150 Cast Socket Welding Fittings 9 8 Dimensions of Class 150 Cast Threaded
17、 Square Head Plugs 10 9 Dimensions of Class 150 Cast Threaded Hex Head Plugs 11 10 Dimensions of Class 150 Cast Threaded Hex Head Bushings 12 11 Dimensions of Threaded Locknuts 14 12 Dimensions of Class 150 Cast Threaded Unions. 15 13 Dimensions of Class 150 Cast Socket Welding Unions 16 14 Dimensio
18、ns of Class 1000 Wrought Threaded 90 Elbows, Tees, Crosses, and 45 Elbows 17 15 Dimensions of Class 1000 Wrought Threaded 90 Street Elbows 18 16 Dimensions of Class 1000 Wrought Threaded Couplings (Straight and Reducing Sizes) and Caps. 19 17 Dimensions of Class 1000 Wrought Socket Welding Fittings.
19、 20 18 Dimensions of Class 1000 Wrought Threaded Square Head Plugs. 21 19 Dimensions of Class 1000 Wrought Threaded Hex Head Plugs . 22 20 Dimensions of Class 1000 Wrought Threaded Hex Head Bushings . 23 21 Dimensions of Class 1000 Wrought Threaded Unions 25 22 Dimensions of Class 1000 Wrought Socke
20、t Welding Unions. 26 FIGURE 1 Identification of Reducing Fittings 2 ANNEX A Referenced Standards and Applicable Dates. 27 Copyright MSS Provided by IHS under license with MSSLicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 05/07/2007 21:10:47 MDTNo reproduction or networking perm
21、itted without license from IHS -,-,- MSS STANDARD PRACTICE SP-114 1 1. SCOPE 1.1 This Standard Practice for corrosion resistant pipe fittings threaded and socket welding, Class 150 and 1000, establishes requirements for the following: a) Pressure-temperature ratings b) Size and method of designating
22、 openings of reducing fittings c) Marking d) Minimum requirements for materials e) Dimensions and tolerances f) Threading g) Tests 2. PRESSURE-TEMPERATURE RATINGS 2.1 Pressure-temperature ratings for these fittings are shown in Table 1. Ratings are independent of the contained fluid and are the maxi
23、mum allowable working pressures at the tabulated temperatures. Intermediate ratings may be obtained by linear interpolation between the temperatures shown. 2.2 The temperatures shown for the corresponding pressure rating shall be the material temperature of the pressure retaining structure. It is im
24、plied that the material temperature is the same as the fluid temperature. Use of a pressure rating at a material temperature other than that of the contained fluid is the responsibility of the user and subject to the requirements of any applicable code. 2.3 For purposes of this Standard Practice, ca
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