13.08.2019
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  1. Mss Sp 58 Type 20
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All MSS references and quotes in this catalogue are extracted from ANSI / MSS SP-58 (2009) with permission of the publisher, The Manufacturers Standardization Society. MSS SP-58-2009 Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation Manufacturers Standardization Society / 01-Nov-2009 / 89 pages.

About This Item

Full Description

1. SCOPE
1.1 This Standard Practice establishes the material, design, fabrication, and inspection criteria to be used in the manufacture of standard types of pipe hanger components.
1.2 This Standard Practice establishes the allowable stress values for materials used in standard types of pipe support components and unique hanger design assemblies.
1.3 This Standard Practice establishes minimum design load ratings for rigid pipe hanger assemblies.
1.4 This Standard Practice presents the recommended practice for the selection and application of pipe hangers and supports for all service temperatures.
1.5 This Standard Practice establishes recommended procedures for detailing, fabrication, and installation of pipe hangers and supports.
2. OBJECTIVE

2.2 To enable the user to specify a minimum level of acceptance for pipe hanger design and performance.
2.3 To define types of hangers and supports that are illustrated in the Type Chart, Figure A1. Hangers and Supports shown on the Type Chart indicate general types only and manufacturers' other standard products shall be acceptable under the Standard Practice if they meet dimensional and load rating limitations set forth in this Standard Practice.
2.4 To serve as a pipe hanger and support specification for selection and application, by being referenced in whole or in part.
2.5 To serve as a guide to proven industry practice during engineering design and writing of job specifications covering the hanging, supporting and controlling the movement of piping systems.
2.6 To provide the erector with information on types of hanger and support components to be used for specific application and installations, where such information is not otherwise provided.
2.7 To serve as a companion document to MSS SP-127 which provides recommendations for the design, selection, and application of bracing for piping systems subject to seismic - wind - dynamic loading.

Document History

Mss sp 58 type 20

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***Update: ANSI/MSS SP-58-2009 has been revised. The current edition, ANSI/MSS SP-58-2018: Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation, is available on the ANSI Webstore.

ANSI/MSS SP-58-2009 – Pipe Hangers and Supports – Materials, Design, Manufacture, Selection, Application, and Installation serves as a guide giving standard practices for all steps associated with pipe hangers and supports, spanning from the choice of materials to the installation process.

The primary issue confronted by having pipe hangers and supports is handling the load that travels through the pipes. ANSI/MSS SP-58-2009 addresses this by giving specifications for the design of general hangers, hanger rods, multiple supports, riser supports, anchors, protection saddles and shields, and spring supports, among other types of supports. In addition, it gives requirements on the different metal and plastic materials that can be used to create hangers and supports and allowable stresses on them resulting from tension, bending, shearing, bearing, and compression.

As the standard is a complete guide on the entire usage of pipe hangers and supports, it covers not only their design, but also their shipping, installation, and general performance. Concerns raised with shipping primarily include proper labeling and packaging to prevent unwanted damages. Those relating to installation help to assure that the supports and hangers are correctly added to the pipe system. For example, brackets must withstand the gravity load and horizontal forces, so for those bolted-on brackets, it is important to tighten threaded fasteners equally to give proper load distribution.

Pipe systems also must be able to withstand a range of heat levels, depending on their specific service temperatures. ANSI/MSS SP-58-2009 covers issues such as spacing of hangers and supports on hot, ambient and cold systems.

For those who are currently using a past version of ANSI/MSS SP-58, it is highly recommended to transition into this latest revision, which has undergone many different changes. Specifically, this standard retains much of the information from the now-retired standards ANSI/MSS SP-69, MSS SP-77, MSS SP-89, and MSS SP-90.

Mss Sp 58 Type 20

ANSI/MSS SP-58-2009 is a standard published by the Manufacturers Standardization Society of the Valve and Fittings Industry (MSS). MSS is a standards developing organization that oversees the manufacturing and installation of valves, pipefittings, pipe supports, flanges, and associated seals.