2024年3月18日发(作者：)

MSS SP-6-2007

Standard Finishes for

Contact Faces of Pipe Flanges

and Connecting-End Flanges

of Valves and Fittings

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) 281-6671

E-mail: info@

Copyright MSS

Provided by IHS under license with MSS

No reproduction or networking permitted without license from IHSNot for Resale

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MSS

STANDARD PRACTICE

SP-6

This MSS Standard Practice was developed under the consensus of the MSS Technical Committees 102, 110,

201, 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 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 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(s) at the date of issue of this MSS SP. (See Annex A.)

U.S. customary units in this SP are the standard; the metric (SI) units are for reference only.

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 "supplemental". All

appendices appearing in this document are construed as "supplemental". Supplemental" information does not

include mandatory requirements.

Substantive changes in this 2007 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-6, 2007 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.

Originally Approved December, 1929

Copyright ©, 1985 by

Manufacturers Standardization Society

of the

Valve and Fittings Industry, Inc.

Printed in U.S.A.

i

Copyright MSS

Provided by IHS under license with MSS

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No reproduction or networking permitted without license from IHSNot for Resale

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