Attributes
| Family Id | pentair-aurora-421-horizontal-two-stage |
|---|---|
| Brand | Aurora |
| Part Numbers | 421 |
| Business Units | IFT – Commercial and Infrastructure Flow,IFT – Residential and Irrigation Flow |
| Applications | Split Case Pumps |
| Discontinued | 0 |
Description
Aurora built its business on the split case pump more than 90 years ago. Today, we continue to improve upon our original design and manufacture quality pumps that outlast our competitors.
## KEY FEATURES
- Model 421 is Horizontally Baseplate Mounted with a Driver Flexibly Coupled to the Pump
- Design Recommended where Space is Available and Flooding is Not Possible
- Interwoven, graphite/Teflon Lubricated Acrylic Yarn Packing Rings
- Coupling Guard on the Model 421
- Applications Include:
- Cooling, Heating and Air Conditioning Service
- Boiler Feed Service
- Condensate Service
- High Pressure Water Service
Specifications
| Split case design | makes it easy to remove upper casing without disturbing suction and discharge for simpler servicing and inspection. |
|---|---|
| Dynamically balanced impeller | is keyed to the shaft and secured by adjustable shaft sleeve. |
| Bronze shaft sleeve | extends the entire length of each stuffing box to prevent shaft wear. |
| Interchangeable stuffing boxes | come equipped with 303 stainless steel parts and Buna-N® elastomers for a longer pump life. |
| Mechanical seals | are included in standard constructions and include carbon against ceramic face for optimal hot water performance. |
| Grease lubrication bearings | are conveniently located for quick access and outfitted with oil seals and non-sparking neoprene rotating slingers to protect bearings during operation and washdowns. |
| High-load bearings | provide a minimum of 50,000 hours of performance at maximum load thanks to double-row thrust ball bearings and arms that help eliminate misalignment. |
| Left-hand rotation | is available with standard parts. |
| Performance certification | with positive suction pressure or suction lift is available on each pump for customer approval. All pumps are hydrostatically tested for optimal performance. |
| Case wearing rings | prevent wear on pump casing and are easy and cost-effective to replace. |
| Applications Include | Cooling, Heating and Air Conditioning Service, Boiler Feed Service, Condensate Service, High Pressure Water Service |
| Brand | Aurora |
PDF Documents
Pentair Industrial Power Pumps
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Aurora Models 421, 422, 423, & 485 Horizontal & Vertical Two-Stage Pumps Manual
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Aurora Model 420 Series Engineering Data Guide
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420 Series Split Case Pumps Repair Pumps Index
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Aurora Repair Part Kits & Assemblies (Legacy Models)
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Aurora 421 Selection Data
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Aurora 421 Specifications
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Aurora Model 421 Series Dimensional Data
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Aurora Model 421 60hz Performance Curves
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Aurora Model 421 50hz Performance Curves
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Aurora 400 Series Split Case Pumps Brochure
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Pentair Aurora HVAC Portfolio Sales Flyer
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Aurora 400 Series Split Case Pumps Sales Flyer
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Aurora Commercial HVAC & Water Supply Pumps Brochure
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Aurora Split Case Repair Kits Sales Flyer
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Aurora Split Case Pumps Repair Kits and Parts Guide (NEW)
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