Bell & Gossett

1BN359LF Bell & Gossett PTA-448 Expansion Tank

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$465.00 (Fixed Shipping Cost)
  • 1BN359LF Bell & Gossett PTA-448 Expansion Tank
  • 1BN359LF Bell & Gossett PTA-448 Expansion Tank


1BN359LF Bell & Gossett PTA-448 Expansion Tank. *Please note image is generic. System Connection: 2" NPTF, Tank Volume: 80 Gallons (300L). Series "PTA" (ASME) Residential/Commercial Potable Water Diaphragm Expansion Tanks For Potable Water Systems.

Bell & Gossett Potable Water Diaphragm Expansion Tanks ASME (PTA) Information.


The Series PTA expansion tank is an ASME constructed vessel designed to absorb the forces of expanding water and protect the domestic water system from pressure build up. PTA-5 through PT-210 are diaphragm tanks that have a FDA approved polypropylene liner and butyl diaphragm that isolate the water from the steel shell. The PTA-447 through PTA-457 are bladder tanks that utilize a FDA approved replaceable butyl bladder to isolate the system water from the steel shell.

This Item Usually Ships The Same Day!

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Warranty Information

Warranty: Quoted prices include standard factory warranties. Warranty requires install, start-up and operation as per the manufacturers IOM. Job Site Assistance: By Others Start-Up: By Others Commissioning: By Others: These services, if a project requires start up, they are responsibility of contractor or commissioning agent. Owner training assistance, as outlined in any equipment specifications the responsible of the commissioning agent. Clarifications & Exclusions 'ALTERNATES' are offered for consideration and will always be subject to the engineer's and owners approval. Excludes any seismic calculations or supports, coatings other than factory standard. Terms: prices are quoted are "each" (unless stated otherwise) and FOB point of origin with no freight allowed freight ships via common ground carrier, and inside continental US Only - any special shipping requirements to be responsibility of purchaser. We offer all prices less tax, with a validity of 30 days from the date quoted and all sales are final. Once items have shipped and left the warehouse National Pump Supply is not responsible for any damage caused during the shipping process. You must contact the shipper directly and file a claim with the shipping company. Lead Time: All prices offered are based on standard factory lead times (or) as stated within quotation. Expedited shipments may be available at an additional charge. Contact your Sales Engineer for the ETA of any specific equipment on any order or quotation.
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