![Bell & Gossett 1BN321LF PT Series Pre-Charged Diaphragm Expansion Tank, NPTF Discharge, 20 gal, 1 in Discharge, 15-3/8 in Dia Overall, Polypropylene Liner, 100 psi](https://dsg.widen.net/content/ohosxpofp5/jpeg/Bell_and_Gossett_1BN300LF_APNS.jpeg?w=300&h=300&position=c&color=ffffffff&quality=100&u=bwtmsc)
Bell & Gossett 1BN321LF PT Series Pre-Charged Diaphragm Expansion Tank, NPTF Discharge, 20 gal, 1 in Discharge, 15-3/8 in Dia Overall, Polypropylene Liner, 100 psi
MFG Part#1BN321LF
DSG#343639
Bell & Gossett 1BN321LF PT Series Pre-Charged Diaphragm Expansion Tank, NPTF Discharge, 20 gal, 1 in Discharge, 15-3/8 in Dia Overall, Polypropylene Liner, 100 psi
MFG Part#1BN321LF
DSG#343639
- 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.