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 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 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.