1. Fittings are manufactured of ductile iron, grade 70-50-05 (minimum tensile strength: 70,000 psi; minimum yield strength: 50,000 psi; minimum elongation: 5%) in accordance with AWWA C110 or C153.
2. Flange adaptors for AWWA C110/C115 flange to ANSI/ASME B16.1 class 250 flange are manufactured of ASTM A36 steel.
3. Flanges and static-cast mechanical joint bells can be tapped for studs when specified by the purchaser.
4. Unless otherwise noted, all cast-on flanges are per AWWA C110 or C153, and all threaded-on flanges are per AWWA C115.
5. Weights of fittings can vary due to changes in foundry practice.

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