QED Environmental Systems Ltd.

- Model AP4.5 Ultra - High Clearance Landfill Liquid Pump

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The new High Clearance AutoPump® AP4.5 Ultra delivers superior performance, running many times longer between service events. A pump installed for field testing needed just 30 minutes to clean after 220,000 minutes (348,965 cycles!) of uninterrupted run time – in a well that had been out of compliance for the previous 3 years, requiring pump cleaning every 3 to 5 days.

The new AP4.5 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, high-performance pump runs for months in wells where traditional pumps fail in days

  • 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
  • Temperature ratings up to 250 °F, making it 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 a specific gravity as low as .72
  • Viscous pumps able to pump liquids up to 7,000 cSt
  • 5 Year Warranty

  • Increase landfill gas extraction rates.
  • Reduced risk of liquid leakage through liners and side slope failures.
  • Lower rates of odours 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.
  • Cleans in up to 50% less time than control group, 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.
  • AutoPumps require no surface timer-based controllers, bubblers or sensors in the well to operate.

AutoPump AP4.5 Ultra - High Clearance Applications

  • Landfill
  • Oil Refineries and Petrochemical
  • Mining
  • DOD / DOE Sites
  • Industrial Sites
  • Remediation Sites

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