74056927
May 3, 1990
Oct 27, 1992
equipment for environmental cleaning of soil and groundwater; namely, vacuum extraction systems comprising vacuum pumps or blowers, motors, electrical starters, silencers, filters and piping and includes as options one or more of the following; skid mounted enclosures, noise attenuating insulation, automatic shutdown controls for high temperature or high or low vacuum, flow controllers, organic vapor analyzers, and process controllers using input from one or more of these options; and catalytic oxidation systems comprising catalytic reactors, catalysts, burner and gas trains, fans, piping and exhaust stacks and includes as options one or more of the following; safety controls, first out detectors, automatic shut-down controls, burner and flamer safety monitors, air control valves, flame arrestors, organic vapor monitors, temperature recorders, flow recorders, process recorders, computer interfaces and modem connections
Electrical and Scientific Apparatus