Expansion and Pump Tanks

  • A.O. Smith export pump tanks are designed for
    installation flexibility and years of trouble-free service.
    Smooth, dependable diaphragm design and operation provides precise control of system operation cycles. Free-standing and in-line vertical tanks are available, as well as horizontal tanks with universal pump mounting bracket.

Pump tank

  • Convenient air charge valve.
  • 100 PSI working pressure
  • Butyl diaphragm ensures permanent separation of air and water.
  • Steel retaining ring โ€œsealsโ€ diaphragm directly to tank shell.
  • 2-coat polymer water-side lining, bonded to shell, proven protection against rust.
  • Rotating corrosion-resistant base assures stability.
  • Rotates for easy alignment to connection.
  • Slotted and notched for proper airflow, reduced condensation.
  • Drawn steel construction
  • Diaphragm operation
  • Corrosion resistant base
  • Light weight Rotating Maximum working pressure 100 PSI
  • Pre-Charged at 25 PSI

Sample specification

The tank(s) shall be A. O. Smith model no PM________ or an approved equal. Tanks(s) shall be rated for 100/150 psi working pressure. Vessel shall be internally coated for corrosion protection. A durable butyl diaphragm will ensure long working life. The complete product will be NSF 61 certified and listed.

NSF certified

PM library

Expansion and Pump Tanks

TW

TW

Pump expansion vessels

PM

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