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eLibrary > AWWA C111/A21.11-23 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings >

AWWA C111/A21.11-23 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings, 2023

Foreword [Go to Page]
I. Introduction. [Go to Page]
I.A. Background. Cast-iron pipe was originally made with flanged joints, using lead gaskets. Improved joints of this type are still used for many aboveground plant installations and other specialized applications. [Go to Page]
I.B. History. American National Standards Committee A21 on Cast-Iron Pipe and Fittings was organized in 1926 under the sponsorship of the American Gas Association (AGA), the American Society for Testing and Materials (ASTM), AWWA, and the New England Wate [Go to Page]
I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF) to develop voluntary third-party consensus standards and a certification program for direct
II. Special Issues. [Go to Page]
II.A. Advisory Information on Product Application. The following special service requirements should be noted: [Go to Page]
II.B Chlorine and Chloramine Degradation of Elastomers. The selection of materials is critical for water service and distribution piping in locations where there is a possibility that elastomers will be in contact with chlorine or chloramines. Documented
III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered. To ensure product compliance with standard r [Go to Page]
III.B. Modification to Standard. Any modification of the provisions, definitions, or terminology in this standard must be provided by the purchaser.
IV. Major Revisions. The major revisions in this edition of this standard are as follows:
V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or email at standards@awwa.org.
SECTION 1: GENERAL
Sec. 1.1 Scope
Sec. 1.2 Purpose
Sec. 1.3 Application
SECTION 2: REFERENCES
SECTION 3: DEFINITIONS
SECTION 4: REQUIREMENTS
Sec. 4.1 Materials
Sec. 4.2 Permeation
Sec. 4.3 General Requirements
Sec. 4.4 Special Requirements for the Mechanical Joint
Sec. 4.5 Special Requirements for the Push-on Joint
Sec. 4.6 Special Requirements for the Flanged Joint
Sec. 4.7 Performance Requirements
SECTION 5: VERIFICATION
Sec. 5.1 Inspection
Sec. 5.2 Certification and Test Records
Sec. 5.3 Basis for Rejection
SECTION 6: DELIVERY
Sec. 6.1 Marking
Sec. 6.2 Packing
Sec. 6.3 Affidavit of Compliance [Go to Page]
Mechanical-Joint Bolts, Gaskets, and Installation
Effects of Chloramines on Ductile-Iron Pipe Gaskets and Elastomers [Go to Page]

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