Externalift™ Screw Pumps

Externalift screw pumps are your reliable, simple way to lift water.

They are designed and manufactured for optimal operational performance, convenient maintenance, and long-lasting quality, and our screw pumps are available in sizes to fit your application.

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Features and Benefits

Pre-screening or grinding not required - facilitates maintenance and reduces excavation and service cost
Inlet structures are not required - simpler, more economic operation
Variable pumping at constant speed - pumps liquid at the rate it is received, does not require extensive speed control or wet well storage
Low-speed operation - lengthens bearing life and provides gentle pumping action for return sludge or oily wastewater
Virtually maintenance-free - requires only lubrication
Flat efficiency curve - maintains high efficiency over broad range of flows
High flow/low lift - available in a variety of sizes and capacities to meet flows up to 100,000 gpm and lifts up to 40 feet
Factory installation is available