Overview
The 444R331 fire pump impeller is a bronze replacement component designed for centrifugal pumps used in fire protection and industrial water handling systems. As a casting part with pattern number 444R331, this impeller delivers the hydraulic performance and corrosion resistance required for dependable operation in demanding fire suppression networks and water circulation applications.
Key Features
- Bronze Construction: Bronze alloy provides exceptional corrosion resistance in water and chemical environments, extending component life in fire suppression systems
- Centrifugal Design: Precisely cast impeller vanes minimize turbulence and maintain pump efficiency across variable flow conditions
- Replacement Pattern: Pattern number 444R331 ensures direct fit compatibility with original system specifications
- Industrial-Grade Durability: Cast and finished to withstand routine operation in emergency response and continuous fire pump duty cycles
Technical Specifications
The impeller is manufactured from bronze alloy selected for marine and industrial pump applications. Bronze composition provides the pressure tightness and cavitation resistance required in fire pump systems.
Typical Applications
- Fire suppression and fire protection pump systems
- Emergency water supply and pressurization networks
- Industrial centrifugal pump replacement and rebuild
- Commercial and municipal fire department equipment
- Jockey pump and auxiliary fire pump systems
Compatibility & Replacements
Compatible With
- Centrifugal fire pump units equipped with bronze impeller assemblies
- Horizontal and vertical single-stage fire pump installations
- Fire suppression systems with close-coupled motor or belt-drive configurations
- Industrial water supply and circulation pump networks
Replaces / Drop-In Replacement For
- Original equipment manufacturer (OEM) bronze impellers with pattern 444R331
- Worn or damaged impeller components in existing fire pump systems
- Aftermarket bronze impeller replacements in equivalent centrifugal pump housings
Works With
- Standard pump shafts and seal assemblies in vertical and horizontal fire pump designs
- Suction and discharge housings rated for fire suppression duty
- Jockey pump and pressure relief systems in fire protection installations
- Motor or engine drive configurations for fire pump operation







