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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Subscription pricing is determined by: Standards Subsctiption may be the perfect solution. A rust-preventive coating is applied to the machined faces of the flanges, and this coating may be removed prior to installation.

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Standards Council of Canada

Flanges generally are threaded as per C 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. Nuts of regular or heavy hex design are used according to customer specifications. 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.


Already Subscribed to this document. Introduction To Toruseal Flange Gaskets. Locate a distributor in your area. Any configurations requiring static castings are in accordance with applicable requirements of AWWA C As the voice of the U.

Click Here To Download: Flanged Joint Pipe Source: 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 adwa gray-iron fittings used for water supply service. If the document is revised or amended, you will be notified by email. Flanged pipe is generally specified for aboveground service for water, wastewater, air, oil and other liquids where rigid, restrained joints are needed.

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.

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It is widely used in water and wastewater treatment awwwa, in industrial piping systems, and for other interior piping as well as for exterior applications such as bridge and other elevated crossings. Please first verify your email before subscribing to alerts. Prior to assembly of the flange on the pipe, a commercial-grade thread compound is applied to the threads. This permits removal and re-assembly in the field, at which time suitable thread compound must be used.


Be d115 when specifying or ordering those. Flanged pipe is rated for a maximum working pressure of at least psi. Click the button below to directly contact the supplier.

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ANSI/AWWA C/A | Standards Council of Canada – Conseil canadien des normes

Wawa and Linings Since most flanged pipe is in an exposed environment, the usual outside shop coating is Wasser FerroClad primer. 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.

Other type rubber is available on special order.