Goulds Dewatering Pumps Buyers Guide & Review
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Dewatering Pumps are designed specifically to evacuate and move water from certain areas. These pumps are built with a lightweight construction that allows for portability and insertion/installation in tight spaces. Typical installation areas include pits, basins, storage tanks, reservoirs and drainage ditches. Of course, as these pumps are submerged in water, it is also important for the casing, shaft and seal materials to be corrosion and abrasion resistant.

Here is a diagram of some typical installations:

Goulds Water Technology  offers some of the finest on the market, combining versatility, precision engineering and consistent performance. PumpProducts.com currently carries three series from Goulds: the 1SC series, the 1DW series and the 2DW series.

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Goulds 1SC Series

Goulds 1SC Series Dewatering Pumps are drainage booster pumps for high pressure dewatering applications. They are mainly used for pumping water out of reservoirs and storage tanks and can often be found in houses, farms, mobile home parks and motels. Each pump contains multiple stages (3, 4 or 5) for increased pressure applications. 1SC pumps can handle up ⅛” suspended solids and can be submerged in water up to 65 ft. Single- and three-phase models available.

1SC Model Comparison Chart

Model Number Discharge Horsepower Voltage Phase Max. GPM Max. Head Max. Temp. Cord Stages
1SC51C0AA 1-1/4″ NPT 1/2 115 1 22 140′ 140° F 30′ 3
1SC51C1AA 1-1/4″ NPT 1/2 230 1 22 140′ 140° F 30′ 3
1SC51C3AA 1-1/4″ NPT 1/2 230 3 22 140′ 140° F 30′ 3
1SC51C0FA 1-1/4″ NPT 1/2 115 1 35 110′ 140° F 30′ 3
1SC51C1FA 1-1/4″ NPT 1/2 230 1 35 110′ 140° F 30′ 3
1SC51C3FA 1-1/4″ NPT 1/2 230 3 35 110′ 140° F 30′ 3
1SC51D1BA 1-1/4″ NPT 3/4 230 1 22 185′ 140° F 30′ 4
1SC51D3BA 1-1/4″ NPT 3/4 230 3 22 185′ 140° F 30′ 4
1SC51D1GA 1-1/4″ NPT 3/4 230 1 35 145′ 140° F 30′ 4
1SC51D3GA 1-1/4″ NPT 3/4 230 3 35 145′ 140° F 30′ 4
1SC51E1CA 1-1/4″ NPT 1 230 1 22 240′ 140° F 30′ 5
1SC51E3CA 1-1/4″ NPT 1 230 3 22 240′ 140° F 30′ 5
1SC51E1HA 1-1/4″ NPT 1 230 1 35 182′ 140° F 30′ 5
1SC51E3HA 1-1/4″ NPT 1 230 3 35 182′ 140° F 30′ 5
1SC51E4HA 1-1/4″ NPT 1 460 3 35 182′ 140° F 30′ 5
Goulds 1SC Series Performance Curve

Goulds 1SC Series Performance Curve

Goulds 1DW Series

Goulds 1DW Series

The 1DW “Ditch Wizard” Dewatering Pumps are expressly built for handling dirty waters in dewatering applications. These pumps can be used in draining ditches and pits, industrial water drainage and general excavation in the building trades. To that end, each 1DW series can handle up to ⅜” spherical solids. These pumps can be submerged in up to 23 ft. of water.”

1DW Model Comparison Chart

Model Number Discharge Horsepower Voltage Phase Max. GPM Max. Head Max. Temp. Cord
1DW51C0EA 1-1/2″ NPT 1/2 115 1 72 23′ 120° F 30′
1DW51C1EA 1-1/2″ NPT 1/2 230 1 72 23′ 120° F 30′
1DW51C3EA 1-1/2″ NPT 1/2 230 3 72 36′ 120° F 30′
1DW51C4EA 1-1/2″ NPT 1/2 460 3 72 36′ 120° F 30′
1DW51D1EA 1-1/2″ NPT 3/4 230 1 86 44′ 120° F 30′
1DW51D3EA 1-1/2″ NPT 3/4 230 3 86 44′ 120° F 30′
1DW51D4EA 1-1/2″ NPT 3/4 460 3 85 44′ 120° F 30′
1DW51E1EA 1-1/2″ NPT 1 230 1 92 52′ 120° F 30′
1DW51E3EA 1-1/2″ NPT 1 230 3 92 52′ 120° F 30′
1DW51E4EA 1-1/2″ NPT 1 460 3 92 52′ 120° F 30′
1DW51F3EA 1-1/2″ NPT 1-1/2 230 3 112 66′ 120° F 30′
1DW51F4EA 1-1/2″ NPT 1-1/2 460 3 112 66 120° F 30′
Goulds 1DW Series Performance Curve

Goulds 2DW Series

Like it’s cousin the 1DW series, the 2DW “Ditch Wizard” Dewatering Pumps are designed to move water from drainage ditches, as well as trenches, basements and manholes. 2DW series are constructed with durability and corrosion-resistance as the priority. Each pump features a polyurethane impeller and diffuser (with a rubber lining around the impeller), a bottom strainer made of EPDM impact-absorbing rubber and dual seals. The strainer can handle any size incoming solids.
In addition, the 2” NPSM threaded hose coupling discharge can be configured for either vertical or horizontal discharge depending on the piping. 2DW series come with single phase motors built with automatic full overload and temperature protection. Can be submerged up to 16.5 ft.

Goulds 2DW Model Comparison Chart

Model Number Discharge Horsepower Voltage Phase Max. GPM Max. Head Max. Temp. Cord
2DW0511 2″ NPSM Adj. 1/2 115 1 65 37 95° F 50′
2DW0512 2″ NPSM Adj. 1/2 230 1 65 37′ 95° F 50′
2DW1011 2″ NPSM Adj. 1 115 1 84 51′ 95° F 50′
2DW1012 2″ NPSM Adj. 1 230 1 84 51′ 95° F 50′
Goulds 2DW Series Performance Curve

TECHNICAL BROCHURES
Goulds 1SC Series Brochure
Goulds 1DW Series Brochure
Goulds 2DW Series Brochure
INSTALLATION/OPERATION MANUALS
Goulds Dewatering Pumps Installation Manual
Goulds Ditch Wizard Installation Manual
PARTS LISTS
 Goulds Sump, Effluent and Sewage Pump Repair Parts
SPECIFICATIONS
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IMAGES

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VIDEOS

Pump Products application engineers are standing by to provide technical assistance, price quotes or to answer any questions you may have regarding Goulds dewatering pumps. Call our toll-free number 1-800-429-0800.