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SKU: 93209327
Grundfos NB 65-125/130 Cast Iron 0.75 kW End Suction Centrifugal Pump with Closed Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
Centralized chilled pumping stations and building risers operate with the Grundfos NB 65-125/130 centrifugal pump. The unit couples a 0.75 kW drive motor to an axial DN 80 inlet nozzle and a radial DN 65 discharge connection.
Pumping volume output provides approx. 1106 L/Min rated displacement and reaches a approx. 5.1 m head elevation. Volute casing construction features EN-GJL-250 cast iron with cataphoretic electrocoating, paired with a stainless steel impeller and BQQE shaft seal. Product net weight equals 47 kg.
Incoming three-phase power at 415 V operates the 0.75 kW motor assembly with a draw of 1.6 Amps. Operating limits support liquid temperatures from -25°C to 120°C and maximum system pressures of 16 bar. Flanged pipework attaches via DN 80 inlet and DN 65 outlet ports.
Drive sealing integrity complies with IP55 standards and uses Class F winding insulation. Standard motor installation requires external electrical overload protection. The back-pull-out design allows complete drive and rotating assembly extraction while leaving the casing secured to distribution pipework.
Features
- 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.
- 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.
SPECIFICATIONS
| Max Flow | 1106 L/Min |
| Max Head | 5.1 m |
| Power | 0.75 kW / 415v |
| Rated Current | 1.6 Amps |
| Suitable For | Commercial HVAC Hydronic Circulation |
| Body Material | Cast Iron |
| Liquid Temperature | -25°C to 120°C |
| Inlet Size | 80 mm |
| Outlet Size | 65 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 operating fluid temperatures and working line pressures are permitted?
Working limits on the Grundfos NB 65-125/130 accommodate fluid temperatures from -25°C to 120°C with maximum line pressures reaching 16 bar.
What electrical parameters and motor horsepower drive this pumping unit?
Driven across a 415 V three-phase supply, the NB 65-125/130 features a 0.75 kW motor drawing 1.6 Amps with an IP55 enclosure.
Which wetted parts and metal alloys are chosen for this pumping unit?
The NB-65-125-130 features an electrocoated EN-GJL-250 cast iron volute and a precision stainless steel impeller for lasting durability.
What connection flange sizes and port orientations interface with building pipe manifolds?
The NB 65 125 130 features an axial 80 mm suction port and a radial 65 mm discharge port with standard PN16 flanged connections.
How much water throughput and discharge pressure does this pump develop?
The NB/65/125/130 provides approx. 1106 L/Min in fluid flow and approx. 5.1 m in dynamic head, depending on system pressure demands.
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