阀门标准-MSS SP-80-1997(天选打工人).pdf
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1、S T A N D A R D P R A C T I C E SP-80 1997 Edition BRONZE GATE,GLOBE,ANGLE AND CHECK VALVES Developed and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry,Inc.127 Park Street,N.E.Vienna,VA 22 180(703)28 1-66 13 Originally Approved November,1974 COPYRIGHT Manuf
2、acturers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesCOPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesMSS S T A N D A R D P R A C T I C E SP-80 An MSS Standard Practice is intended as a bas
3、is 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 conform-ance is established only by reference in a code,specifica
4、tion,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 standard(s)at the date of issue of this MSS SP.(See Annex C.)Substantive changes in this 1997 ed
5、ition 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-80,1997,with per
6、mission 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.Copyright O,1983 by Manufacturers Standardization Society of
7、the Valve and Fittings Industry,Inc.Printed in U.S.A.1 Previous page is blank COPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesCOPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by Information Handling Se
8、rvicesMSS STANDARD PRACTICE SP-80 1.2.3.4.5.6.7.CONTENTS Page PURPOSE.SCOPE AND VALVE TYPES.1 1 1 PRESSURE-TEMPERATURE RATINGS.2 MATERIALS.4 DESIGN.4 MARKINGS.13 TOLERANCE.13 INSPECTION AND TESTING.13 TABLE 1.PRESSURE-TEMPERATURE RATINGS.3 2.LIST OF MATERIAL SPECIFICATIONS.5 3.MINIMUM LENGTH AND DEP
9、TH OF THREAD.8 4.BRONZE GATE VALVES.DIAMETER OF STEM.,.11 5.BRONZE GLOBE AND ANGLE VALVES.DIAMETER OF STEM.11 6.BRONZE GATE VALVES.DIAMETER OF HANDWHEEL.12 7.BRONZE GLOBE AND ANGLE VALVES.DIAMETER OF HANDWHEEL.12 8A.SHELL TEST.THREADED AND SOLDER END VALVES.13 8B.SHELL TEST.FLANGED END VALVES.13 9A.
10、SEAT TEST.THREADED AND SOLDER END VALVES.,.14 9B.SEAT TEST.FLANGED END VALVES.,.,.14 Al.PRESSURE-TEMPERATURE LIMITATIONS.I 15 FIGURE B1.GATE VALVE.TYPE 1.,.16 B2.GATE VALVE.TYPE 2.16 B3.GATE VALVE.TYPE 3.17 B4.GATE VALVE.TYPE 4.,.17 B5.GLOBE AND ANGLE VALVES.TYPE 1.:.18 B6.GLOBE AND ANGLE VALVES.TYP
11、E 2.,.18 B7.GLOBE AND ANGLE VALVES.TYEE 3.19 B8A.CHECK VALVE.TYPE 1.HORIZONTAL LIFT CHECK.,.20 B8B.CHECK VALVE.TYPE 1.ANGLE LIFT CHECK.,.20 B9A.CHECK VALVE.TYPE 2.HORIZONTAL AND ANGLE LIFT CHECK.21 B9B.CHECK VALVE.TYPE 2.VERTICAL LIFT CHECK.1.21 B10.CHECK VALVE.TYPE 3.,.22 B11.CHECK VALVE.TYPE 4.,.,
12、.,.22 ANNEX A STRENGTH OF SOLDER JOINTS.15 ANNEX B VALVE TYPES.16 I ANNEX C REFERENCE STANDARDS.23 ii COPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesCOPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by
13、 Information Handling Services _ STD-MSS SP-80-ENGL 1777 5770b90 0500873 373=MSS STANDARD PRACTICE SP-80 BRONZE GATE,GLOBE,ANGLE AND CHECK VALVES O.PURPOSE This MSS Standard Practice covers bronze gate,globe,angle,and check valves in Classes 125,150,200,300 and 350 for threaded and solder ends and C
14、lasses.150 and 300 for flanged ends.Pressures in this Standard Practice are gage pressure in pounds per square inch.Hereafter I the pressure will appear as psi.d)Type 4-Double Disc-Parallel Seat Inside Screw Rising Stem (ISRS)Fig.B4,Annex B 1.2.2.Globe and Angle Valves a)Type 1-Metal Disc,Integral S
15、eat Fig.B5,Annex B b)Type 2-Non-Metallic Disc,Integral Seat Fig.B6,Annex B 1.SCOPE AND VALVE TYPES 1.1 Scope-This standard practice covers bronze gate,globe,angle,and check valves for general purpose services and provides require-ments for the following:a)Pressure-Temperature Ratings b)Materials c)E
16、nd Connections d)Dimensions e)Markings f)Testing and Inspection 1.2 Valve Types 1.2.1 Gate Valves a)Type 1-Solid Wedge:Non-Rising Stem(NRS)Fig B 1,Annex B b)Type 2-Solid Wedge:Inside Screw Ris-ing Stem (ISRS)Fig.B2,Annex B c)Type 3-Metallic Disc,Renewable Seat Fig.B7,Annex B 1.2.3 Check Valves a)Typ
17、e 1-Horizontal,Angle and Vertical Lift Check,Metal Disc to Metal Seat.Fig.B8,Annex B b)Type 2-Horizontal,Angle and Vertical Lift Check,Non-Metallic Disc to Metal Seat Fig.B9,Annex B c)Type 3-Swing Check,Metal Disc to Metal Seat Fig.B10,Annex B d)Type 4-Swing Check,Non-Metallic Disc to Metal Seat Fig
18、.B1 1,Annex B.1.3 Nominal Pipe Sizes-This Standard cov-ers valve sizes 3 and under as follows:a)Threaded Ends-Sizes 1/8 through 3 b)Solder Ends-Sizes 1/4 through 3 c)Flanged Ends-Sizes 1/2 through 3 c)Type 3-Split Wedge(Double Disc)-Inside Screw Rising Stem (ISRS)Fig.B3,Annex B 1 COPYRIGHT Manufactu
19、rers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesCOPYRIGHT Manufacturers Standardization Society of the Valve and FittingsLicensed by Information Handling ServicesMSS STANDARD PRACTICE SP-80 2.PRESSURE-TEMPERATURE RATINGS for joints.Fressure-temperature
20、ratings for sol-der joints made with typical commercial solders 2.1 The pressure-temperature ratings in Table are given in Annex A.It shall be the responsibil-1 apply to all products covered by this Standard ity of the user to select a solder composition that Practice.Valves conforming to the requir
21、ements is compatible with the service conditions;(as of this Standard Practice shall in all respects,well as to assure adequacy of workmanship merit these ratings.employed in making the joints).2.2 These ratings are the maximum allowable non-shock pressures at the temperatures shown,and allowable pr
22、essures may be interpolated between temperatures shown.2.3.Rating Temperature:The temperature shown corresponding to the pressure rating shall be the material temperature of the pressure retaining structure.In view of the various envi-ronments in which piping components may be installed (i.e.-insula
23、ted or not,and either heated or cooled),it is assumed that the material temperature of the pressure retaining structure is the temperature of the contained fluid.Use of a pressure rating at a material temperature other than the temperature of the contained fluid is the responsibility of the user,and
24、 subject to the requirements of applicable codes.2.5 The ratings given in Table 1 at-20F to l50,OF shall also apply at lower temperatures.Products that are to operate at low temperatures shall conform to the rules of the applicable codes under which they are to be used.2.6 The safe pressure-temperat
25、ure rating of valves fitted with non-metallic disc,(i.e.globe and angle valves,Type 2 and check valves,Qpes 2 and 4)is dependent upon the composition of the disc material.It shall be the responsibility of the user to specify the service application.When no service application is specified,discs suit
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