Pump Solutions Group Neptune Series 500 Specs Municipal - Manual (Page 2)

7-01-2001 2
(Note to Specification Writer: Statement regarding replacement valves is very
important. The most frequent maintenance operation performed on any chemical
metering pump is valve cleaning and inspection.)
E. Materials of construction –Pumps shall be of corrosion resistant
material suitable for the intended service conditions.
III. Spare Parts
A. Provide a routine preventative maintenance kit for each pump
containing a diaphragm, a complete set of o-rings and check valves.
IV. Accessories
A. Calibration Cylinder – Provide a calibration cylinder for mounting in
each pump suction line. Each calibration cylinder shall be sized for a
30 second minimum test, graduated in milliliters and labeled to allow
easy conversion to gallons per hour. Construction shall be clear, PVC
(except for Concentrated Sulfuric Acid, which will be shielded glass)
and shall include a vent connection.
Equipment Chemical Feed Range Design Type of Drive Power
No. Solution GPH Pressure Constant Speed Available
Min./Max Variable Speed
AC or DC
Example #1 15%Sodium 5-22 gph 100 psi Constant Speed 115V-1PH
Hypochlorite
Example #2 Concentrated 2-12 gph 100 psi DC Variable 115V-1PH
Sulfuric Acid Speed
Example #3 50%Sodium 3-17 gph 100 psi AC Variable 460V-3PH
Hydroxide Speed
Design Criteria of Metering Pumps