Description
Bell & Gossett P85521 — 9-1/2″ Full Runner Impeller
The Bell & Gossett P85521 is a 9-1/2″ full runner impeller engineered as a precision replacement component for compatible Bell & Gossett centrifugal pump assemblies. As a full runner (full-diameter) impeller, it is designed to deliver maximum hydraulic performance — providing optimal flow rates and head pressure without the output reduction associated with trimmed impellers. This makes it the ideal choice when your system demands peak pump capacity.
Product Overview
Bell & Gossett, a Xylem brand, has been a trusted name in hydronic heating and cooling for decades. The P85521 impeller is manufactured to OEM specifications, ensuring a precise fit and reliable long-term performance in demanding commercial and industrial hydronic systems.
Key Features
- 9-1/2″ full runner (full-diameter) impeller design for maximum flow and head performance
- OEM Bell & Gossett replacement part — engineered for precise fit and compatibility
- Designed for use in Bell & Gossett centrifugal pump assemblies
- Full runner configuration delivers peak hydraulic efficiency
- Manufactured to Bell & Gossett quality standards for long service life
- Ideal for commercial and industrial hydronic heating and cooling applications
Applications
- Hydronic heating and cooling systems
- Commercial building HVAC pump assemblies
- Industrial process fluid circulation
- Replacement/maintenance of Bell & Gossett centrifugal pumps
Why Choose a Full Runner Impeller?
A full runner impeller operates at the full designed diameter of the pump casing, delivering the highest possible flow rate and total dynamic head (TDH) for that pump model. Unlike trimmed impellers — which are cut down to reduce output — a full runner is the go-to solution when your system requires maximum hydraulic capacity and you need to restore a pump to its original design performance.
Ordering Information
- SKU: P85521
- Brand: Bell & Gossett (Xylem)
- Impeller Diameter: 9-1/2″
- Type: Full Runner
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