Back to AWWA C110-12 Ductile-Iron and Gray-Iron Fittings (PDF)

AWWA C110-12 Ductile-Iron and Gray-Iron Fittings (PDF)

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ISBN: 9781613001417
Publisher: AWWA
Publication date: 2012
AWWA catalog no: STC_0076121
Media Type: PDF
Number of pages: 92
DOI: http://dx.doi.org/10.12999/AWWA.C110.12
This standard describes 3- to 48-in. (80- to 1,200-mm) gray-iron or ductile-iron fittings to be used with ductile-iron pipe for potable water, wastewater, and reclaimed water for a temperature range of 33º-120ºF (0.6º-49ºC). Requirements for fittings with mechanical joints and flanged joints are listed in Tables 3 through 21 at the end of this standard. This standard may also be used for fittings with push-on joints or such other joints as may be agreed on at the time of purchase. For the 3- to 24-in. (80- to 600-mm) size range, ductile-iron mechanical- joint fittings and ductile-iron push-on-joint fittings are rated for 350-psi (2,413-kPa) working pressure. Ductile-iron flange-joint fittings are rated for 250-psi (1,724-kPa) working pressure; however, 24-in. (600-mm) and smaller sizes may be rated for 350 psi (2,413 kPa) with the use of special gaskets. Gray-iron fittings having all types of joints described in this standard are rated for 150- or 250-psi (1,034- or 1,724-kPa) working pressures, as shown in the tables. For the 30- to 48-in. (750- to 1,200-mm) size range, fittings with all types of joints described in this standard are shown in the tables with rated working pressures of 150 or 250 psi (1,034 or 1,724 kPa), depending on the type of iron, as shown in the tables. Fittings are adequate for the rated working pressure plus a surge allowance of 100 psi (689 kPa) or a surge allowance of half the rated working pressure, whichever is less. The major revisions made to this standard in this edition are as follows: Sec. 1.1 was revised to include a temperature range; a new Sec. 4.1.2 was added to include a requirement for NSF/ANSI 61 certification on products if they will be in contact with potable water; Sec. 4.3.4 was revised to require a minimum safety factor of 2.5 times the rated working pressure; Sec. 5.1.1 was revised to better describe parameters affecting test frequencies; Sec. 5.3.1 was revised to require dimensional checks each production run; Sec. 5.4.2.1.1 was revised to include 65-45-12 grade iron; and, Sec. 5.5.1 and Sec. 5.5.2 were revised to require testing of each melt for chemical requirements.

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This standard describes 3- to 48-in. (80- to 1,200-mm) gray-iron or ductile-iron fittings to be used with ductile-iron pipe for potable water, wastewater, and reclaimed water for a temperature range of 33º-120ºF (0.6º-49ºC). Requirements for fittings with mechanical joints and...
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