AutoPump AP4+

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 for severe landfill and remediation applications.

• • 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 180 °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
• • 5 Year Warranty

• • 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.
• • 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.