Other standards documents referredto herein are identified by the date of issue that was applicable to this standard at the date of issue of this standard. It is suggested that if the user is interested in knowing what changes have been made, that direct pageby pagecomparison should be made of this document.

This document has been substantively revised from the previous 1991 edition. customary units in thisSP are the standard the metric units are for reference only.

In addition, the MSS HangerCommitteehasdeveloped guidelines for pipe supports contractural relationships and on hanger terminologyas covered in MSS SP-77 and MSS-90 respectively. There are two companion standards, MSSSP-58 and MSS SP-89, relating to hanger materials, design, manufacture, fabrication and installation. It is based on the best practicecurrent at this timeand on the collective experienceof the industry. Mandatory conformance is established only by reference ina code, specification, salescontract, or public law, as applicable.ДЇOREWORD This standard was developedby a cooperative effortof representatives of the pipe hanger manufacturers. Vienna, Virginia 22180 (703) 2814613Д¬OPYRIGHT Manufacturers Standardization Society of the Valve and Fittings Licensed by Information Handling ServicesДЄ Standard Practice is intended as a basis for common practice by the manufacturer, the user, and the manufacturer, general public.The existence of an MSS Standard Practice doesnot in itself preclude the sale, or use of products ot conformingto the Standard Practice. PIPE HANGERS AND SUPPORTS SELECTION AND APPLICATIONДeveloped and Approved by the Manufacturers Standardization Society of the Valve and Fittings Industry, Inc.

Ansi/mss sp-58-2009 pdf