Geotech AP4+ Pneumatic Positive Air Displacement Pump - Datasheet

The AP4+ Top Inlet Short, AP4+ Low Drawdown Top Inlet, AP4+ Bottom Inlet Short and AP4+ Low Drawdown Bottom Inlet AutoPump provide maximum capabilities and flow in a pump for 4” (100mm) diameter and larger wells and the need for an elevated inlet, such as pumping total fluids from wells contaminated with LNAPLs. Where there is the need to pump down to as low as 24 inches (62 cm) above the bottom, the AP4+ Low Drawdown Top Inlet AutoPump is recommended. The AP4+ Bottom Inlet Short and the AP4+ Low Drawdown Bottom Inlet are suitable when there is the need to pump down to lower water levels. The AP4+ Low Drawdown Bottom Inlet AutoPump is also suitable where there is the need to pump down to as low as 11.5 inches (29 cm) above the bottom.