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GRUNDFOS WASTEWATER

Powerful pumps for handling unscreened raw sewage Grundfos offers a complete range of highly dependable, powerful sewage pumps, designed for handling unscreened raw sewage. With more than forty years’ experience in providing specialised pumps and pumping equipment for all kinds of wastewater and sewage, we know better than anyone what our customers demand from a wastewater pump. > High pump efficiency over time Advanced technology makes the Grundfos pumps extremely efficient and highly dependable. Innovative features such as SmartTrim adjustment of the impeller clearance ensure long-term...

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Installation options Submerged installation on auto-coupling, types S and C Submerged installation on auto-coupling system requires a base plate with a 90° bend, fixed to the bottom of the pit. When lowered into the pit along the guide rails, the pump automatically connects to the base plate. The flexible neoprene SmartSeal ensures a leak-proof connection between the pump and the auto-coupling. Type S: To prevent sedimentation of sludge at intermittent operation, we recommend a stop level corresponding to the top of the pump housing. For sufficient cooling at continuous operation, the...

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Grundfos SuperVortex impellers A unique impeller design The unique design of the Grundfos SuperVortex impellers provides high pumping efficiency and less downtime. With a flow range from 4 l/s, the Grundfos SuperVortex-impeller pumps are the optimum solution for all small pumping stations. No clogging or jamming In a SuperVortex-impeller pump, the flow is entirely outside the impeller. The design of the impeller ensures that long fibres, rags, etc. pass freely through the pumps without getting caught and without causing clogging or jamming. This means less downtime and, consequently,...

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Grundfos channel impellers Large free passage for superior solids handling Compromising on the ability to handle solids in order to obtain higher pumping efficiency substantially increases the risk of clogging. More clogging means more downtime and increased operating costs. The Grundfos channel-impeller pumps provide high efficiency and excellent non-clogging capabilities. The channel impellers are designed with a large free passage Ø 80 mm. Self-cleaning impeller On Grundfos wastewater pumps smaller than 12 kW, the bottom part of the channel impellers feature specially designed auxiliary...

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Performance overview and general data Performance overview Type range wastewater pumps Impeller type 1 = Single channel impeller, Motor specification Motor power Motor pole number Pump generation The generation code identifies pumps that differ in design but are similar in power rating M = Medium, H = High, S = Super-high The S pumps are identified by the type code stated in the confirmation of order and other documentation supplied with the pump. The code consist of the items shown in the table below. maximum starting frequency Pump application is restricted by the following limits: •...

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Performance curves SuperVortex impeller - Range 34 SuperVortex impeller - Range 42

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Performance curves SuperVortex impeller - Range 34 SuperVortex impeller - Range 42

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Technical data Frame size 34 and 42. Standard and Atex versions Impeller type Starting method Pump type Pump Range Pump Curve *) Only to be used for submerged installation. (Version S only). 1) ATEX Aproval IIG / Exd. Temperature Class T4. Impeller type Starting method Pump Range Pump Curve Pump type *) Only to be used for submerged installation. (Version S only). **) Also availible as 220 and 460 V in 60 Hz version on request. 1) ATEX Aproval IIG / Exd. Temperature Class T4. Technical data

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Dimensions, auto-coupling installation X2 Pump type Pump Range Pump type Pump Range Technical data

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Dimensions, free-standing without accessories Pump type Pump Range Pump type Pump Range Technical data

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Dimensions, dry vertical on base stand C E Pump type Pump Range Pump type Pump Range Technical data

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Dimensions, dry horizontal installation A1 H Pump type Pump Range Pump type Pump Range Technical data

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Description Auto-coupling system complete with guide claw, base plate and upper guide-rail holder. With gaskets and bolts.Cast iron, epoxy-coated. Ring stand with flanged 90° elbow and hose connection. With bolts, nuts, gaskets and anchor bolts.Cast iron, epoxy-coated. Product number 2 Ring stand with flanged 90° elbow and outside thread connection. With bolts, nuts, gaskets and anchor bolts.Cast iron, epoxy-coated. Base stand for vertical dry installation, including 90° elbow. With bolts, gaskets and anchor bolts. Galvanized steel. Bracket for horizontal dry installation. With bolts,...

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The Grundfos wastewater range Brochure covers the Grundfos range of submersible channel-impeller pumps from 5 kW up to 21 kW and Super-Vortex pumps up to 29 kW. All designed for handling unscreened raw sewage. Available in 50 Hz and 60 Hz versions. Brochure covers the Grundfos range of sewage pumps from 15 kW up to 155 kW for handling of raw sewage in heavy-duty applications. Available in 50 Hz and 60 Hz versions. S/SA ranges up to 520 kW Brochure covers the Grundfos range of super-heavy-duty channel pumps, axial flow pumps, and propeller pumps from 7.5 kW up to 520 kW. Brochure covers the...

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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 develop even better pumps, systems, services and standards. Solution With a complete product range, capable of providing every conceivable water solution, we are the most complete player on the market.

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