ASTM C425 - 04(2018)
Standard Specification for Compression Joints for Vitrified Clay Pipe and Fittings
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Abstract
This specification covers vitrified clay pipe and fitting materials and pipe joint assemblies test requirements for compression joints. Sealing elements shall be compressed and bounded between bearing surfaces to assure watertight integrity. Materials and manufacture, such as rubber ring-sealing elements, plastic components, and metallic components, shall conform to the chemical resistance, tensile strength, hardness, compression set, water absorption, ozone resistance, and accelerated oven aging requirements of the specification. Minimum of two assembled joints shall be tested for each diameter of pipe furnished. Joints shall be subjected to water pressure testing and shall not leak even when deflected, displaced or subjected to shear under the limits indicated in the specification.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers materials and test requirements for compression joints for vitrified clay pipe and fittings. See Specification C700 for pipe specifications. The test requirements are applicable to pipe joint assemblies prior to field installation of pipe.
Note 1: Install pipe in accordance with Practice C12.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.3 The following precautionary caveat pertains only to the Test Requirements portion, Section 7, of this standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
A167 Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
C12 Practice for Installing Vitrified Clay Pipe Lines
C700 Specification for Vitrified Clay Pipe, Extra Strength, Standard Strength, and Perforated
C896 Terminology Relating to Clay Products
D395 Test Methods for Rubber PropertyCompression Set
D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension
D471 Test Method for Rubber PropertyEffect of Liquids
D518 Test Method for Rubber Deterioration--Surface Cracking
D543 Practices for Evaluating the Resistance of Plastics to Chemical Reagents
D573 Test Method for RubberDeterioration in an Air Oven
D583 Methods of Test for Water Resistance of Textile Fabrics
D1149 Test Methods for Rubber DeteriorationCracking in an Ozone Controlled Environment
D1566 Terminology Relating to Rubber
D2240 Test Method for Rubber PropertyDurometer Hardness
ICS Code
ICS Number Code 23.040.60 (Flanges, couplings and joints)
UNSPSC Code
UNSPSC Code
Referencing This Standard
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DOI: 10.1520/C0425-04R18
Citation Format
ASTM C425-04(2018), Standard Specification for Compression Joints for Vitrified Clay Pipe and Fittings, ASTM International, West Conshohocken, PA, 2018, www.astm.org
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