Bell & Gossett 1BN359LF PTA-448 ASME Expansion Tank
Bell & Gossett 1BN359LF PTA-448 ASME Expansion Tank
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Apply for Trade Account & Terms →| Performance Parameter | Engineering Baseline Value |
|---|---|
| Manufacturer Part Number (MPN) | 1BN359LF |
| Model Designation | PTA-448 |
| Body Construction | Steel shell with polypropylene liner |
Managing thermal expansion in domestic water systems is critical to preventing damage and ensuring operational longevity, which is where the 1BN359LF PTA-448 expansion tank excels. Designed by Bell & Gossett to handle fluctuating system pressures, this ASME-constructed vessel provides a reliable buffer for expanding water, effectively mitigating the risk of pressure build-up and component fatigue within your plumbing infrastructure.
The system utilizes a sophisticated diaphragm design that acts as a secure barrier between the system water and the steel shell. By incorporating a high-grade, FDA-approved polypropylene liner and a durable butyl diaphragm, the unit prevents direct contact between the water and the tank wall, ensuring consistent water quality while maintaining precise system equilibrium during thermal cycles.
Key System Performance Baselines:
- ASME Construction: Built to rigorous pressure vessel standards for maximum safety and durability.
- Water Isolation: Polypropylene liner and butyl diaphragm prevent internal corrosion and contamination.
- Expansion Management: Absorbs volume increases to protect valves, piping, and heaters from excessive stress.
⚠️ Application Profile: Ideal for commercial domestic water heating systems, high-rise potable water distribution, and heavy-duty hydronic installations requiring ASME-certified thermal expansion control.
