Description
The Bell & Gossett 115119 Centrifugal Pump Suction Diffuser Plus is a premium hydronic pump accessory engineered to optimize pump performance, protect system components, and simplify installation in commercial and industrial hydronic heating and cooling systems. Combining a suction diffuser, start-up strainer, and flow straightener into a single compact unit, this accessory eliminates the need for multiple fittings and reduces overall installed cost.
The suction diffuser allows the pump to be installed directly in-line without requiring a long straight pipe run on the suction side, ensuring uniform, turbulence-free flow into the pump impeller. This results in quieter operation, reduced cavitation risk, and extended pump service life.
Key Features
- 4″ flange connection on the system side for easy integration into existing piping
- 2-1/2″ flange connection on the pump side for direct pump mounting
- Cast iron body construction for durability and long service life in hydronic applications
- Steel inlet vanes and orifice cylinder for precise flow conditioning and velocity control
- Includes 16 mesh bronze start-up strainer to capture debris during system commissioning
- Rated for operating temperatures up to 250°F, suitable for hot water heating systems
- Combines suction diffuser, start-up strainer, and balancing orifice in one assembly
- Reduces installation time and eliminates need for multiple separate fittings
Specifications
- SKU: 115119
- Brand: Bell & Gossett
- System Side Connection: 4″ Flange
- Pump Side Connection: 2-1/2″ Flange
- Body Material: Cast Iron
- Inlet Vanes & Orifice Cylinder Material: Steel
- Start-Up Strainer: 16 Mesh Bronze
- Maximum Operating Temperature: 250°F
- Type: Centrifugal Pump Suction Diffuser Plus
Application
Ideal for use in commercial and industrial hydronic heating and cooling systems where centrifugal pumps require proper suction-side flow conditioning. The Bell & Gossett 115119 is the preferred choice for engineers and contractors seeking to maximize pump efficiency, protect equipment during system start-up, and reduce long-term maintenance requirements.
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