This 4” Smart Pump was designed to recover high viscosity DNAPLs like Coal-Tar. The 4” Smart Pump is completely resistant to all solvents, easily fits into any 4” well or larger, has a pumping rate up to 60 GPH, operating well depth of 200 feet, and requires no above ground controls to operate. The maximum air requirements are .5 CFM @ 125 PSIG, and air quality requirements are 5-10 Microns.
U.S. Patent # 5,326,458
Pumping range: .1 GPH - 60 GPH
Size: 3.5” diameter x 9 inches long
Weight: 8 pounds