AWWA C504-15

Current Revision
Rubber-Seated Butterfly Valves

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Rubber-Seated Butterfly Valves

PUBLISH DATE 2015
This standard covers rubber-seated butterfly valves, 3 in. (75 mm) through 72 in. (1,800 mm) in diameter, with various body and end types, for fresh and reclaimed water having a pH range from 6 to 12 and a temperature range from 33° to 125°F (0.6° to 52°C). This standard covers rubber-seated butterfly valves suitable for a maximum steady-state fluid working pressure of 250 psig (1,723 kPa, a maximum steady-state differential pressure of 250 psi (1,723 kPa), and a maximum velocity of 16 ft/s (4.9 m/s). Valves covered by this standard are furnished in four body types and in classes as follows: Wafer valves, Class 150B, in sizes 3 in. – 20 in. (75-500 mm) Short-body and long-body flanged valves in classes 25A, 25B, 75A, 75B, 150A, and 150B, in sizes 3 in. – 72 in. (75 mm – 1,800 mm), and class 250B in sizes 3 in. – 48 in. (75 mm – 1,200 mm) Mechanical-joint-end valves, classes 150B and 250B, in sizes 3-24 in. (75-600 mm), and classes 25A, 25B, 75A, 75B, 150A, 150B, and 250B in sizes 30 in. – 48 in. (750 mm – 1,200 mm) Major revisions to this edition of the standard affect the following: Actuator stroke times Actuator design and sizing margins This digital download is subject to AWWA’s Single User License Agreement. Multi-user licenses are also available by contacting us. Learn more about AWWA’s digital downloads including frequently asked questions.
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