Bell & Gossett PT-25V Expansion Tank, 10.3 Gal, Potable

Bell & Gossett expansion tanks are designed to absorb the force of thermal expansion in hydronic heating and domestic potable water systems. Series HFT tanks for hydronic heating systems are available in sizes from 2 – 86 gallons. Tanks for potable water systems, Series PT and PTA (ASME construction) are available in sizes from 2 – 528 gallons.
Residential and Commercial Applications

Features & Benefits:
Controls System Pressure
Protects Plumbing Fixtures
Eliminates Relief Valve Blow-Off
FDA Approved Materials
High Maximum Operating Temperatures
High Working Pressures of 150 PSI
Designed for Potable Hot Water Systems

The Series PT expansion tank is designed to absorb the forces of expanding water and protect a potable water system from pressure build up. The FDA approved heavy duty butyl diaphragm with polypropylene liner (sizes PT-5 through PT-210V) and FDA approved heavy duty butyl bladder (sizes PT-451 through PT-457) completely isolate the water from the steel shell. Models PT-5 through PT-210V are listed by NSF 61.

RESIDENTIAL/LIGHT COMMERCIAL
NON-ASME DIAPHRAGM TANKS
Maximum Working Pressure:
PT-5 & PT-12: 150 PSI (1035kPa)
PT-25V thru PT-210V: 100 PSI (689kPa)
Maximum Operating Temperature: 200ºF m(93ºC)
Materials: Steel Shell, Polypropylene Liner, Butyl Diaphragm
System Connection: PT-25V thru PT-210V are stainless steel.
All others are brass.
Factory Pre-charge: 38 PSI (276kPa)

COMMERCIAL NON-ASME BLADDER TANKS
Maximum Working Pressure: 150 PSI (1035kPa)
Maximum Operating Temperature: 240ºF m(116ºC)
Materials: Steel Shell, Butyl Bladder
System Connection: Bronze
Factory Pre-charge: 55 PSI (379kPa)