The new AP4 Ultra builds upon the established AutoPump® system, which has been the industry leader for over 30 years, and includes QED's unmatched customer service. Low-maintenance pump lasts up to 10 times longer between service events and requires 50% less time to clean.

Designed for wells as small as 2 inches, AutoPumps are air-powered positive displacement pumps activated by an internal float in response to the natural well recharge. Low-maintenance AutoPump® AP4 4.0 & AP4.5 Ultra offers extended uptime …

QED’s special AutoPump® AP4 Ultra models are available to pump fluids up to 250 ºF (120ºC), and are already proven in service. These high temperature pumps use the highly reliable AutoPump core design and proprietary Ultra non-stick finishes, but add specialized materials of construction to extend the upper temperature limit.

The new AP4+ model now builds on the world’s #1 choice for landfill and remediation pumping and makes it even better, to deliver more value to our customers. At the same time, the new AP4+ keeps the same internal mechanism design that AP4 users have depended on for over 20 years, along with the industry’s leading pumping rates and low air ...

The AutoPump is a pneumatic fluid extraction pump that pumps in pulses. It handles any liquid which flows freely into the pump and is compatible with the component materials and with the connecting hoses. The AP4+ is intended for vertical operation in well casings with a 3.75-inch or greater internal diameter.

application or material compatibility. The materials used in pumps vary depending upon application and the customer is responsible for knowing the environment in which the pump will be operating and working with QED to determine what materials of constru

The Low-Drawdown AP4+ Top Inlet AutoPump provides maximum capabilities and flow in a top inlet pump for 4” (100 mm) diameter and larger wells with very short water columns and/or the need to pump down to as low as 24 inches (62 cm) above the bottom.

The exclusive air-driven well pump, certified globally, guarantees the best results in the most difficult conditions. With AutoPump AP4+ works in groundwater and land remediation, landfill and sewage treatment are easy and safe.

The AutoPump Ultra 4.0 Top Inlet Short provides maximum capabilities and flow in a top inlet pump for 4” (100 mm) diameter and larger wells with shorter water columns and the need for an elevated inlet, such as pumping total fluids from wells contaminated with LNAPLs, and it can deliver flow rates up to 9 gpm (34 lpm)*.

Description The AP4+ Bottom Inlet Long AutoPump provides maximum capabilities and flow in a bottom inlet pump for 4” (100 mm) diameter and larger wells with shorter water columns and/or the need to pump down to lower water levels, compared to full-