Description
The Bell & Gossett 116298 is a D-15 pressurized diaphragm expansion tank engineered for reliable performance in closed-loop hydronic heating and cooling systems. Its carbon steel shell and heavy-duty butyl rubber bladder work together to absorb system pressure fluctuations, protecting pumps, boilers, and piping from damaging pressure swings.
Key Features
- 7.8-gallon total tank capacity with 6.3-gallon acceptance volume
- Heavy-duty butyl rubber bladder for long-lasting, flexible pressure absorption
- Durable carbon steel shell construction built for demanding hydronic applications
- 125 PSI maximum working pressure rating
- 240°F maximum temperature rating
- Pressurized design maintains system pressure balance and prevents waterlogging
- D-15 series designation for easy system compatibility identification
Specifications
- Model: D-15
- SKU: 116298
- Tank Capacity: 7.8 Gallons
- Acceptance Volume: 6.3 Gallons
- Shell Material: Carbon Steel
- Bladder Material: Heavy-Duty Butyl Rubber
- Maximum Working Pressure: 125 PSI
- Maximum Temperature: 240°F
Application
The Bell & Gossett 116298 D-15 expansion tank is ideal for residential and light commercial hydronic heating systems, chilled water systems, and potable water applications where pressure control is critical. The pre-pressurized bladder design eliminates direct water-to-air contact, extending service life and maintaining consistent system pressure throughout the operating cycle.
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