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SKU: 92672223
Grundfos NB 65-200/219 Cast Iron 37 kW End Suction Centrifugal Pump with Closed Impeller
Australia-Wide
(08) 9240 2992
Official Grundfos
Peace of Mind
Product Overview
Operating with a 37 kW motor rating, the NB 65-200/219 end-suction centrifugal pump features end-suction axial inlet (DN 80) and top radial outlet (DN 65) connections. The pump is specified for district heating, commercial air conditioning loops, and industrial water distribution.
The pump's hydraulic assembly yields 2000 L/Min rated flow volume and a maximum operational head of 61.78 m. Structural strength relies on an EN-GJL-250 cast iron casing with cataphoresis coating. Internal hydraulics feature a stainless steel impeller and BQQE shaft seal. Physical product weight equals 288 kg.
The NB 65-200/219 pump's 415 V three-phase drive motor delivers 37 kW power output while drawing 68.1 Amps operating current. The pump accommodates circulating fluid temperatures from -25°C to 120°C under working pressures up to 16 bar. Standardized DN 80 suction and DN 65 discharge ports facilitate line placement.
An IP55 enclosure rating protects motor components on the NB 65-200/219 unit, backed by Class F insulation and built-in PTC thermistor sensors. Scheduled maintenance routines utilize back-pull-out access, enabling motor drive and impeller removal while leaving volute casing flange joints intact.
Features
- PN16 flanged connection ratings on sizes up to and including DN 150 provide elevated working pressure capability beyond standard EN733 10 bar ratings.
- O-ring seal between pump housing and cover eliminates leakage risk at the volute-to-cover joint under sustained operating pressures.
- Optimised impeller and volute hydraulics deliver unimpeded liquid flow through the pump casing, reducing internal turbulence losses.
- All stainless steel shaft construction provides improved corrosion resistance compared to carbon steel alternatives in wetted service areas.
- Mechanical shaft seal can be replaced without removing the impeller, system piping, pump volute casing or drive motor from the installation.
- Housing, impeller and wear ring use dissimilar material pairings to prevent galling and ensure no sticking elements during extended standby periods.
- High-efficiency motor selection is configured to match the specific power supply characteristics, pumping environment and liquid properties of each installation.
IMPORTANT:Bulk freight charges apply. Please contact us for a freight quote before ordering.
SPECIFICATIONS
| Max Flow | 2000 L/Min |
| Max Head | 61.78 m |
| Power | 37 kW / 415v |
| Rated Current | 68.1 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.
To endure aggressive hydronic circulation, what metals comprise the wet end assembly of this unit?
Physical impact defense in Grundfos NB 65-200/219 is provided by an EN-GJL-250 cast iron volute equipped with a durable stainless steel impeller.
Across facility electrical control panels, what power consumption, voltage supply, and current are listed?
High electrical efficiency is delivered by NB 65-200/219, operating its 37 kW drive on a three-phase 415 V feed at 68.1 Amps.
Within district process circuits, what minimum and maximum fluid temperatures can this end-suction unit accommodate?
Physical containment certified for NB-65-200-219 safely manages circulating liquids between -25°C to 120°C under pressures to 10 bar.
To maintain steady elevation columns in primary mains, how much dynamic lift is generated?
Operating against high transmission friction, NB 65 200 219 sustains a maximum dynamic elevation column of approximately 61.78 m.
Moving heavy fluid streams through utility networks, how much liquid throughput does this pump move?
Operating under demanding circulation schedules, NB/65/200/219 delivers an operational flow of approximately 2000 L/Min.
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