Bell & Gossett 1BN317LF Diaphragm Expansion Tank

Description:

The Bell & Gossett 1BN317LF Diaphragm Expansion Tank is used in hydronic heating and potable water pressure systems. Commonly installed in HVAC systems, boiler assemblies, and water circulation equipment requiring thermal expansion compensation and pressure stabilization. Maintenance teams and system integrators use this part for replacement, repair, or retrofit to maintain reliable system pressure control and operational efficiency.

Applications:

The Bell & Gossett 1BN317LF Diaphragm Expansion Tank is used in commercial and residential fluid handling systems for absorbing pressure fluctuations caused by thermal expansion, including hydronic heating systems, closed-loop HVAC systems, boilers, and potable water applications. It supports stable pressure regulation and protects piping and connected equipment from excessive pressure buildup.

Technical Specifications:

• Brand: Bell & Gossett
• Part Number: 1BN317LF
• Product Type: Diaphragm Expansion Tank
• Model: PT-5
• Function: Thermal expansion absorption and pressure stabilization
• Compatibility: Hydronic heating and water systems
• Tank Type: Diaphragm expansion tank
• Application: HVAC and boiler pressure control systems
• Installation: Inline piping connection
• Construction: Corrosion-resistant steel tank

Common Replacements:

• Bell & Gossett PT-6 Diaphragm Expansion Tank
• Bell & Gossett PT-12 Diaphragm Expansion Tank
• Amtrol EXTROL 15 Expansion Tank