AWWA - American Water Works Association
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AWWA E103 - Standard for Horizontal and Vertical Line-Shaft Pumps
This standard provides minimum requirements for horizontal centrifugal pumps and for vertical line shaft pumps for installation in wells, water treatment plants, water transmission systems and water distribution systems.
1.1.1 Service. Pumps described in this standard are intended for pumping fresh water having a pH range from 5.5 to 10, a temperature range from 33°F to 125°F (13.6 to 37.4°C), a maximum chloride content of 250 mg/L, and a maximum suspended solids content of 1,000 mg/L, and which is either potable or will be treated to become potable.
1.1.2 Pumps covered by this standard.
1.1.2.1 Driver power range: 10 hp to 1,500 hp (7.4 kW to 1,118.5 kW).
1.1.2.2 Rate of flow (gpm at BEP): 100 gpm to 40,000 gpm (22.7 – 9,085 m3/h).
1.1.2.3 Maximum discharge pressure ratings. The maximum steady state pressure (at the pump discharge which considers the suction pressure, possible operation for short periods at shutoff head, and the elevation of the discharge) is limited to the allowable pressure for ANSI/AWWA C207 class of flange.
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