MSS SP-61-1999 钢制阀门的压力试验.pdf

STD、 MSS SP-も-ENGL3門955770b4ロ503己35T6日
MSS SP-61-1999
Pressure Testing
of Steel Valves
Standard Practice
Developed and Approved by the
Manufacturers Standardization Society of the
MSS
Valve and Fittings Industry, Inc
127 Park Street, N E
Vienna, Virginia 22180
(703)281-6613
STD? MSS SP-bhーENGL1999
577ロb?005013b9T記
MSS
STANDARD PRACTICE
SP-6
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 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 standard()at the date of issue of this MSS SP (See Annex A
In this Standard Practice all notes, annexes, tables, and figures are construed to be essential to the understanding of
the message of the standard, and are considered part of the text unless noted as"supplementa". All appendices
appearing in this document are construed as"supplemental""Supplemental information does not include manda
tory requirements
U.S. customary units in this SP are the standard; the metric units are for reference onl
y
Substantive changes in this 1999 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
Non-toleranced Dimensions in this Standard Practice are nominal, and, unless otherwise specified, shall be consid
ered for reference onl
Any part of this standard may be quoted Credit lines should read extracted from MSS, SP-61, 1999, with pemission of the
publisher the Manufacturers Standardization Society Reproduction prohibited under copyright convention unless writ
ten permission is granted by the Manufactures Standardization Society of the Valve and Fittings Industry Inc.
iginally Approved February, 1961
Copyrighte, 1985 b
Standardization S
of the
Valve and Fittings Industry, Inc
Printed in U.S.A
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