Xylem-Bell & Gossett 1BN346LF PTA-5 ASME Potable Water Expansion Tank 3.5 Gallon

The Xylem-Bell & Gossett 1BN346LF PTA-5 is an ASME-rated diaphragm expansion tank designed for potable water systems, featuring a 3.5-gallon tank volume and 2.3-gallon acceptance capacity. This pre-charged expansion tank is specifically engineered to absorb the forces of expanding water and protect domestic water systems against excessive pressure buildup.

Key Features:

• Carbon steel construction with 3/4-inch NPTF connection
• FDA-approved butyl rubber diaphragm with polypropylene liner ensures complete water separation from the tank shell
• Pre-charged to 40 psi for immediate installation
• Maximum working pressure of 150 psi
• Rated for temperatures up to 240°F
• Equipped with integrated bladder integrity monitor
• Complies with NSF/ANSI Standard 61 for potable water applications
• Compact dimensions: 10 inches diameter x 14 inches height

The PTA Series expansion tanks are ideal for residential and commercial potable water systems, providing reliable pressure control and protecting plumbing fixtures from thermal expansion. ASME certification ensures compliance with industry safety standards for pressure vessels.