QED AutoPump AP4+

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  • Proprietary non-stick finishes on float and discharge tube to reduce solids buildup
  • 100% air-powered operation
  • Corrosion-resistant 316-grade stainless steel metallic parts
  • Reliable air control mechanism
  • Ideal for high-temperature applications
  • ATEX Certified
  • Functions under positive or negative (vacuum) pressure environments
  • Does not require clean dry air to function properly and pumps particles up to 1/8 inch in diameter
  • The AP4+ air valves can pass 90-weight oil without fouling
  • Able to pump products with specific gravity as low as .72
  • Viscous pumps able to pump liquids up to 7,000 cSt
  • 5 Year Warranty
SKU: AP4+ Categories: , Tags: , ,

QED AutoPump AP4+ works in wells 4 inches and larger (100 mm). It guarantees the maximum effectiveness and the best flow in a pump and is irreplaceable in positive air displacement of oil and gas, revegetation, and landfill activities.

Why choose the AutoPump AP4+

  • Global certification for explosive conditions;
  • Different constructions for different situations and needs (short and long bodies, top and bottom models);
  • Easily removes liquids from wells contaminated with oil;
  • Works in harmful and dangerous areas and explosive environments;
  • Robust construction and durable materials.


  • Increase landfill gas extraction rates.
  • Reduced risk of liquid leakage through liners and side slope failures.
  • Lower rates of odors and non-methane organic compounds.
  • Field tests have shown that the AutoPump AP4 & AP4.5 Ultra will last up to 10 times longer between service events. Tested in the most severe applications.
  • Cleaning takes 50% less time, as determined by field tests
  • Simple disassembly with no fasteners and no cotter pins.
  • AutoPumps require no surface timer-based controllers, bubblers, or sensors in the well to operate.

AutoPump AP4+ Applications

  • Landfill
  • Oil Refineries and Petrochemical
  • Mining
  • Industrial Sites
  • Remediation Sites

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.

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