ANSI/AWWA C/A Flanged Ductile-. Iron Pipe with Ductile-Iron or Gray- Iron. Threaded Flanges. Threaded flanged pipe conform to the requirements of. Dimensions of threaded ductile-iron pipe according AWWA C ANSI/AWWA C/A “Flanged Ductile-. Iron Pipe with Ductile-Iron or Gray- Iron Threaded. Flanges.” Nominal thicknesses of 3- to inch pipe correspond.

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Standards Subsctiption may be the perfect solution. Flanges furnished on pipe are not interchangeable in the field and generally cannot be removed after fabrication without damage.

Flange – Threaded, ANSI Class , C, DI (in)

Be careful when specifying or ordering those. Subscription pricing is determined by: Your Alert Profile lists the documents that will be monitored. Locate a distributor in your area. This standard covers protective fusion-bonded epoxy coatings for the interior and exterior surfaces of ductile-iron and gray-iron fittings used qwwa water supply service. This standard is also available to be included in Standards Subscriptions.

The flange is designed so that a shroud substantially covers the working threads of the pipe for thread protection. Flanged Joint Pipe Source: Other type rubber is available on special order. Prior to assembly of the flange on the pipe, a commercial-grade thread compound is applied to the threads.

Click the button below to directly contact the supplier. Although recommended for all normal water and sewer service, it especially must be used in demanding services such as very large diameter flanged piping, specially designed long-span installations, or with any underground flanges that could be subjected to undesirable beam loading.


Flanged pipe is rated for a maximum working pressure of at least psi. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. We have no amendments or corrections for this standard.

Flanged Joint Pipe

Need more than one copy? Introduction To Toruseal Flange Gaskets. Please first verify your email before subscribing to alerts.

Also, per the Appendix of AWWA C and C, high-strength bolts should not be used when a gray iron flange is involved in the connection. Flanged pipe is generally specified for aboveground service for water, wastewater, air, oil and other liquids where rigid, restrained joints are needed. Nuts of regular or heavy hex design are used according to customer specifications.

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Standards Council of Canada

Coatings and Linings Since most flanged pipe is in an exposed environment, the usual outside shop coating is Wasser FerroClad primer. As the voice of the U. You may delete a document from your Alert Profile at any time.

Company Profile Email Us. Please first log in with a verified email before subscribing to alerts. It is widely used in water and wastewater treatment plants, in industrial piping systems, and for other interior piping as well as for exterior applications such as bridge and other elevated crossings.


The flange is threaded onto the pipe and machine-tightened until the pipe barrel extends through the face of the flange; it is then machined to give a flush finish of awqa barrel and flange and to ensure that the flange face is perpendicular to the axis of the awws.

A rust-preventive coating is applied to the machined faces of the flanges, and this coating may be removed prior to installation. Request more detailed information or literature. This permits removal and re-assembly in the field, at which time suitable thread compound must c1155 used.

If the document is revised or amended, you will be notified by email. Flanges generally are threaded as per C Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards.

This standard is not included in any packages. Any configurations requiring static castings are in accordance with applicable requirements of AWWA C It is vastly superior to conventional full-face or ring gaskets. Already Subscribed to this document.