DW
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GRUNDFOS DW RANGE Dewatering pump 0.7 - 20 kW Dewatering pumps for raw water pumping

EFFICIENT STATE-OF-ART DEWATERING PUMPS Unique user benefits The Grundfos DW pumps form part of a complete range of wastewater and sewage handling products. Like all Grundfos products the DW pump series offer unique cus- tomer benefits, making them the natural choice for any job where raw water needs to be pumped - whether from construction sites, mining pits, excavations, or flooded base- Grundfos offers a complete range of highly efficient dewatering pumps incorporating state-of-the-art technology. The range comprises a series of pumps from 0.7kW to 20 kW with a flow rate of 82.7 l/sec....

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Attention to detail enables the DW range to lead the field The Grundfos DW range is designed with attention to every detail to ensure optimum performance and years of trouble-free operation. Air valve for ater level w compartment. Rubber covered handle Electrical control functions are integrated in both direct-on-line and star-delta pump starting. This means only one cable is required to oper te the pump. a Integrated on/off switch for automatic start and stop (A), or for continuous pump operation (C). Special low-weight, shock-resistant aluminium alloy stator housing, pump sleeve and...

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the dw range The Grundfos DW pumps are portable submersible pumps with vertical discharge port. They are designed to meet the operating conditions typical of construction sites, excavations, and in the mining industry where the pumped liquid often contains sand, drill cuttings, and similar abrasive particles. DW.50.08.1 – single-phase Motor: 0.8 kW, 2800 rpm Max. power input: 1.3 kW Discharge: R 2 or 2” hose Weight: 13 kg (without cable) (With polypropylene pump sleeve) DW.50.08.3 – three-phase Motor: 0.8 kW, 2800 rpm Max. power input: 1.3 kW Discharge: R 2 or 2” hose Weight: 13 kg (without...

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DW.100.110.H – three-phase Motor: 11 kW, 2800 rpm Max. power input: 12.8 kW Discharge: R 4 or 4” hose Weight: 110 kg (without cable) DW.150.110 – three-phase Motor: 11 kW, 2800 rpm Max. power input: 15.0 kW Discharge: R 6 or 6” hose Weight: 110 kg (without cable) DW.100.200.H – three-phase Motor: 20 kW, 2800 rpm Max. power input: 23.0 kW Discharge: R 4 or 4” hose Weight: 148 kg (without cable) DW.150.200 – three-phase Motor: 20 kW, 2800 rpm Max. power input: 25.5 kW Discharge: R 6 or 6” hose Weight: 148 kg (without cable) Automatic level control The Grundfos DW pumps incorporate a highly...

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Technical data and dimensions D [mm] Pump type * With hose connection 3” Pumps with polypropylene pump sleeve Pump type Example DW .50 .09 .A 3 .H DW .50.09.A3.H Type range Nominal diameter of discharge port Power output P2/100 (W) Operation:A = With automatic level control = For manual operation Version: 1 = Single-phase 3 = Three-phase H = High-head

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Material specification Description Stator housing Pump sleeve Discharge Top cover All models*: Aluminium castings. *DW.50.08 has a polypropylene pump sleeve + extruded aluminium stator housing. Motor cable High alloyed cast iron impeller 600HV Steel shaft (1.0533) with welded stainless steel (1.4301) shaft end All other models: Stainless steel (1.4021) DW.50.07 to DW.100.66: • Two single-row heavy duty prelubricated ball bearings Bearings DW.100.110 to DW.150.200 (11 and 20 kW): • Heavy-duty prelubricated ball bearings. • The lower ball bearing is a double-row ball bearing, the upper a...

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Pump types and product numbers All pumps are supplied with 20 metres of cable as standard. Other lengths are available on request. Note: Pumps without integrated motor starter for direct on-line or star-delta starting must be connected to an external control box to protect the motor against overcurrent and overload. Pumps with aluminium sleeve Single-phase pumps x x x x x Three-phase pumps x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Storz coupling half Hose connection Discharge connection Prepared for extrenal control Motor starter* Schuko plug Pump type...

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technical data x x Pumps with polypropylene pump sleeve Single-phase pumps DOL x DOL x DOL x DOL x DOL x DOL x Three-phase pumps DOL x DOL x DOL x DOL x DOL x DOL x Storz coupling half Hose connection Discharge connection Prepared for extrenal control Motor starter* Schuko plug Pump type Electrical connection Product number

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Accessories Description Dimensions Chain with 10 m 6m shackle 3m - galvanized Coupling half, Storz coupling Socket for hose connection Rp 2-2” hose Rp 2½-2” hose Rp 2½-3” hose Rp 4-4” hose Rp 6-6” hose 2” 2” 3” 4” 4” 20 m flat hose, incl. Storz couplings Bushing for pipe connection Non-return valve, cast iron, balltype valve Hexagon head screw Isolating valve, brass Threaded flange Gasket, bolts and nuts 10 m flat hose, incl. Storz couplings

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Description Non-return valve, cast iron, ball-type valve Pump type Dimensions DN 150 Isolating valve, cast iron 13 DN 100 Pump connector kit. Connectors for two or more DW pumps operating in series Product number Schuko plug CE plug with phase exchanger and on/off switch

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Being responsible is our foundation Thinking ahead makes it possible Innovation is the essence Business with an attitude Knowledge The sharing of knowledge, experience and expertise across our global network will always lead our business forward. Innovation Combining the best technology with fresh ways of thinking, we will continue to de el even betv op ter pumps, systems, services and standards. Solution With a complete product range, capable of provid ng every onceivable water solution, we are i c Grundfos HOLDING A/S Poul Due Jensens Vej 7 DK-8850 Bjerringbro Tel: +45 87 50 14 00...

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