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SKU: 93209261
Grundfos NB 40-200/177 Cast Iron 0.75 kW End Suction Centrifugal Pump with Closed Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
Institutional HVAC plant rooms and central cooling stations incorporate the Grundfos NB 40-200/177 centrifugal pump. Fitted with a 0.75 kW motor, system piping interfaces through an axial DN 65 suction port and a radial DN 40 discharge flange.
Total pumping volume delivers approx. 413 L/Min maximum throughput with a maximum head threshold of approx. 9.8 m. Housing construction features cataphoretically coated EN-GJL-250 cast iron, accommodating a stainless steel impeller and a BQQE mechanical seal. Net weight measures 48 kg.
Rated electrical supply of 415 V three-phase powers the 0.75 kW motor with an amperage draw of 1.6 Amps. Fluid temperature capabilities range from -25°C to 120°C under working pressure limits up to 16 bar. Flange interfaces are dimensioned at DN 65 inlet and DN 40 outlet.
Physical protection includes an IP55 enclosure rating alongside Class F motor insulation. External motor overload protection must be provided by the installer. The back-pull-out construction allows extraction of the motor and rotating components without disturbing suction or discharge pipe connections.
Features
- Balanced impeller geometry and shaft construction reduce operational vibration throughout duty range.
- Volute casing design incorporates integral base feet for direct mounting to concrete plinths.
- Internal wear rings retain hydraulic clearance tolerances throughout long service cycles.
- Solid stub shaft supported by sealed ball bearings carries axial and radial loads.
- Standard PN16 flanged port interfaces align with EN1092-2 heating and cooling headers.
- Totally enclosed fan cooled IEC motor maximum flow of S1 duty cycles in ambient environments up to 40°C.
- Service-friendly back-pull-out layout enables rotating element servicing without removing pipework.
SPECIFICATIONS
| Max Flow | 413 L/Min |
| Max Head | 9.8 m |
| Power | 0.75 kW / 415v |
| Rated Current | 1.6 Amps |
| Suitable For | District Heating & Cooling Networks |
| Body Material | Cast Iron |
| Liquid Temperature | -25°C to 120°C |
| Inlet Size | 65 mm |
| Outlet Size | 40 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.
How much water displacement and vertical head does this pump produce?
Providing approx. 413 L/Min in liquid flow and approx. 9.8 m in dynamic head, the Grundfos NB 40-200/177 accommodates diverse operating conditions.
How much running current and motor power drive this pumping assembly?
Driven across a 415 V three-phase supply, the NB 40-200/177 features a 0.75 kW motor drawing 1.6 Amps with an IP55 enclosure.
Does maintenance require removing the pump casing from the system piping?
The back-pull-out construction on the NB-40-200-177 allows complete motor and runner removal without disconnecting piping headers, streamlining maintenance.
Which inlet and outlet port sizes connect this pump to facility pipework?
The NB 40 200 177 features an axial 65 mm suction port and a radial 40 mm discharge port with standard PN16 flanged connections.
Which mechanical shaft seal and internal components prevent internal liquid leakage on this pump?
Shaft sealing on the NB/40/200/177 is provided by a BQQE mechanical seal alongside replaceable wear rings that protect internal hydraulic geometry.
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