MSS SP-80-1997.pdf

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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 Manufacturers Standardization Society of the Valve and Fittings Licensed by Information Handling Services COPYRIGHT Manufacturers Standardization Society of the Valve and Fittings Licensed by Information Handling Services MSS 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 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 conform- ance 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 standard(s) at the date of issue of this MSS SP. (See Annex C.) Substantive changes in this 1997 edition 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 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. Copyright O, 1983 by Manufacturers Standardization Society of the Valve and Fittings Industry, Inc. Printed in U.S.A. 1 Previous page is blank COPYRIGHT Manufacturers Standardization Society of the Valve and Fittings Licensed by Information Handling Services COPYRIGHT Manufacturers Standardization Society of the Valve and Fittings Licensed by Information Handling Services MSS 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 DEPTH 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 . 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 . TYPE 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 . , . , . , . 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 Fittings Licensed by Information Handling Services COPYRIGHT Manufacturers Standardization Society of the Valve and Fittings Licensed by 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 Classes.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 Seat 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) End 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 W
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