- Series of pump tanks and potable & hydraulic expansion tanks
- Volumes from 2 – 115.9 gallon
Pump tank
- Non-corrosive metal air valve
- 100 PSI working pressure
- Multiple head construction provides added structural strength and more capacity within the same diameters.
- Interior powder coating is permanently bonded to the tank shell to provide the ultimate protection on the water side of the tank.
- Durable butyl rubber parabolic diaphragm ensures long life and prevents rubbing on tank wall or rolling over on itself.
- Positive lock retention system ensures quality controlled compression in the diaphragm. The connection eliminates loss of air or water leaks in the tank.
- Electrostatically applied powder coated exterior. Tough powder coating provides maximum resistance to sunlight (UV) and is undercoated with zinc phosphate for the highest corrosion resistance.
- No-weld guard steel base
Potable & hydronic expansion tank
- Drawn steel construction
- Heavy duty butyl rubber diaphragm
- Maximum working pressure 150 PSI – potable only
- 100 PSI max – hydronic only
- Powder coated interior and fitting
- Drawn steel construction
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.
