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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It is widely used in water and wastewater treatment plants, in industrial awww systems, and for other interior piping as well as for exterior applications such as bridge and other elevated crossings. Company Profile Email Us. Proceed to Checkout Continue Shopping.

You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Coatings and Linings Since most flanged pipe is in an exposed environment, the usual outside shop coating is Wasser FerroClad primer. Prior to assembly of the flange on the pipe, a commercial-grade zwwa compound is applied to the threads.

This standard is also available to be included in Standards Subscriptions. If the document is revised or amended, you will be notified by email.

It is vastly superior to conventional full-face or ring gaskets. This standard covers protective fusion-bonded epoxy coatings for the interior and exterior surfaces of ductile-iron and gray-iron fittings used for water supply service.


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Click the button below to directly contact the supplier. The flange is designed so that a shroud substantially covers the xwwa threads of the pipe for thread protection. You may delete a document from your Alert Profile at any time. Standards Subsctiption may be the perfect solution. Flanged Joint Pipe Source: 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.

Standards Subscriptions from ANSI provides a money-saving, multi-user solution awwa accessing standards. Click Here To Download: This standard is not included in any packages. Introduction To Toruseal Flange Gaskets. Nuts of regular or heavy hex design are used according to customer specifications. Need more than one copy? Please first log in with a verified email before subscribing to alerts.

AWWA C – Flanged Ductile Iron Pipe With Ductile-Iron Or Gray-Iron Threaded Flanges

Be careful when specifying or ordering those. Other type rubber is available on special order. Flanged pipe is rated for a maximum working pressure of at least psi. Flanges furnished on pipe are not interchangeable in the field and generally cannot be removed after fabrication without damage.


We have no amendments or corrections for this standard. Locate a zwwa in your area. Awwa configurations requiring static castings are in accordance with applicable requirements of AWWA C 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 the barrel and flange and to ensure that the flange face is perpendicular to the axis of the pipe.

Flanges generally are threaded as per C Also, per the Appendix of AWWA C and C, high-strength bolts should awwx be used when a gray iron flange is involved in the connection. Please first verify your email before subscribing to alerts. Flanged pipe is generally specified for aboveground service for c11, wastewater, air, oil and other liquids where rigid, restrained joints are needed. Already Subscribed to this document.

A rust-preventive coating is applied to the machined faces of the flanges, and this coating may be removed prior to installation. Your Alert Profile lists the documents that will be monitored.

This permits removal and re-assembly in the field, at which time suitable thread compound must be used.