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SKU: 92850527
Grundfos SL.56L.245.6.50D.300 Cast Iron Low-Head Sewage Pump with Open S-Tube Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
Developed for large-scale municipal networks, the Grundfos SL.56L.245.6.50D.300 is suitable for high-volume wastewater handling and sewage transfer. This cast iron model is certified under CE EN12050-1 with ROHS and WEEE approvals. It is intended for permanent submerged installation in transfer stations requiring raw effluent handling between 0°C and 40°C.
Performance is delivered by a 24.5 kW 6-pole motor operating at 990 rpm on a 3 x 415 V supply with a rated current of 55 Amps. The pump achieves a maximum head up to 17 m and a maximum flow up to 23820 L/min. The motor is designed for continuous S1 duty, utilizing the surrounding liquid for cooling during submerged service.
The hydraulic system uses an Open S-tube impeller with a 400.5 mm actual diameter for managing untreated wastewater. The nominal duty head is 9.69 m. The hydraulic design features DN 300 inlet and outlet connections for high-capacity wastewater transfer while reducing the risk of clogging in civil collection networks.
Built with an EN-GJL-250 cast iron pump housing and motor casing, the pump features a double mechanical shaft seal arrangement and integrated PTO sensors for motor protection and monitoring. It is supplied with a 10-metre S1BC4N8-F EMC power cable and an IP68 enclosure suitable for installation depths up to 30 metres.
FEATURES
- Open S-tube impeller with a 400.5 mm actual diameter for managing untreated wastewater containing solids.
- EN-GJL-250 cast iron pump housing and motor casing for structural durability in permanent submerged service.
- Double mechanical shaft seal arrangement with SiC/SiC primary seal and Silicon Carbide/Carbon secondary seal.
- Integrated PTO sensors for motor protection and monitoring to ensure operational reliability and safety.
- Supplied with a 10-metre S1BC4N8-F EMC power cable for reliable electrical connection in transfer stations.
- IP68 enclosure suitable for installation depths up to 30 metres and 5 bar maximum operating pressure.
- Class H motor insulation with support for up to 30 starts per hour during continuous S1 duty cycles.
- DN 300 inlet and outlet connections optimized for high-capacity wastewater handling in municipal networks.
SPECIFICATIONS
| Max Flow | 23820 L/Min |
| Max Head | 17 m |
| Power | 24.5 kW / 415v |
| Rated Current | 55 Amps |
| Suitable For | Sewage Transfer |
| Body Material | Cast iron |
| Liquid Temperature | Maximum 40°C |
| Inlet Size | 300 mm |
| Outlet Size | 300 mm |
| Warranty | 24 Months |
Warranty & Returns
All products supplied by Foundation Pumps are covered by a minimum 12-month warranty unless otherwise stated. Some brands may offer longer manufacturer warranties. Warranty covers manufacturing defects, faulty materials and workmanship under normal use.
- Products must be installed correctly and in accordance with the manufacturer’s instructions.
- Warranty does not cover incorrect installation, misuse, dry running, normal wear and tear, unauthorised repairs or damage caused by external factors.
- Proof of purchase, photos, videos and installation details may be requested when assessing a warranty claim.
- The customer is responsible for returning the product to Foundation Pumps or the nominated service centre unless otherwise agreed.
- Removal, reinstallation, labour and associated site costs are generally the customer’s responsibility unless required under Australian Consumer Law.
- Change-of-mind returns may be accepted within 30 days provided the product is unused, uninstalled and returned in its original packaging.
- Customers are responsible for return freight costs for change-of-mind returns.
- Restocking fees may apply to special-order, bulky or non-stocked products.
- Used, installed or specially ordered products may not be eligible for change-of-mind returns.
- If a product arrives damaged or faulty, please contact Foundation Pumps as soon as possible so we can assist with the appropriate repair, replacement or refund.
Your rights under Australian Consumer Law are not affected.
What maximum vertical water column can this pump maintain?
Vertical elevation capability on the Grundfos SL.56L.245.6.50D.300 reaches a maximum dynamic head of approximately 17 m under rated conditions.
How much power does the motor consume during standard operation?
Powered by a dedicated 24.5 kW motor, the SL.56L.245.6.50D.300 connects to 415 V three-phase mains power with a rated current draw of 55 Amps.
What primary water management tasks is this pump best suited for?
Everyday water management duties for the SL-56L-245-6-50D-300 focus on Hydraulic flow is sustained in without snagging heavy sanitary solids through a wide 105 mm Open S-tube path, providing reliable pumping performance.
What size discharge flange or connection is fitted to this pump?
Connecting via a standard auto-coupling, the SL 56L 245 6 50D 300 aligns cleanly with system plumbing headers.
How much water volume can this unit move through the pipework?
Peak fluid displacement on the SL/56L/245/6/50D/300 delivers up to 23820 L/Min under rated operating conditions.
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