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AWWA C153/A21.53 Document Information:
Title
Ductile-Iron Compact Fittings for Water Service
American Water Works Association
Publication Date:
Oct 1, 2006
Scope:
This standard describes 3-in. through 64-in. (76-mm through 1,600-mm)* ductile-iron compact fittings to be used with ductile-iron pipe or pipe made of other materials with similar outside diameters for conveying water. Minimum working pressures by size range are as follows: 3-in. through 24-in. (76-mm through 610-mm): 350 psi (2,413 kPa); 30-in. through 48-in. (762-mm through 1,219-mm): 250 psi (1,724 kPa); and 54-in. through 64-in. (1,400-mm through 1,600-mm): 150 psi (1,034 kPa). Fittings are adequate for the rated working pressure plus a surge allowance of 100 psi or a surge allowance of half the rated working pressure, whichever is less.
Fittings with mechanical joints are listed in this standard for the 3-in. through 48-in. (76-mm through 1,219-mm) sizes. The standard also may be used for fittings of these sizes with push-on joints or other joints as agreed on at the time of purchase.
Fittings with push-on joints and flanged joints are listed in this standard for the 54-in. through 64-in. (1,400-mm through 1,600-mm) sizes. Fittings with flange joints are not discussed in this standard for sizes 3 in. through 48 in. (76 mm through 1,219 mm) because of the importance of standardized center-to-flange face dimensions for these sizes already described in ANSI**/AWWA C110/A21.10.
Fittings with plain ends are listed for bends and reducers of the 3-in. through 64-in. (76-mm through 1,600-mm) size range and for tees and crosses of the 54-in. through 64-in. (1,400-mm through 1,600-mm) size range.
*Metric conversions given in this standard are direct conversions of US customary units and are not those specified in International Organization for Standardization (ISO) standards.
**American National Standards Institute, 25 West 43rd Street, Fourth Floor, New York, NY 10036.
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