UP03 3/8" Ported Air Operated Diaphragm Pump
The UP03 3/8" Ported Diaphragm Pump is a compact, air operated diaphragm pump engineered for reliable small- to medium-volume fluid transfer, de-watering, and fluid evacuation applications. Built with a conventional flow design and enhanced with a unique frictionless pivoting air valve system, this pump delivers consistent performance, fast air response, and long service life.
Designed for demanding service environments such as auto dealerships, fleet maintenance facilities, lube trucks, and service shops, the UP03 handles antifreeze, DEF, windshield washer fluid, and similar light industrial fluids with confidence.
Key Features & Benefits
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Frictionless pivoting air valve for increased delivery and reliable operation
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Bolted cover design for durability and secure sealing
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Long-life diaphragms for reduced maintenance downtime
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1:1 pump ratio for steady, controlled performance
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Lightweight, compact footprint for easy installation
Technical Specifications
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Maximum Free Flow: 8.2 GPM (31 L/min)
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Max Dry Suction Lift: 10 ft
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Max Wet Suction Lift: 23 ft
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Operating Air Pressure: 20 – 100 PSI
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Air Inlet: 1/4" NPT (F)
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Fluid Outlet: 3/8" NPT (F)
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Max Solid Suspension: 1/16"
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Wetted Materials Available: Polypropylene
Built for Reliable Fluid Handling
Whether you are transferring coolant in a service bay, evacuating fluids from tanks, or supporting mobile lube operations, the UP03 air operated diaphragm pump provides efficient compressed air-powered performance without electricity. Its corrosion-resistant construction and industrial design make it a dependable solution for routine shop and fleet applications.
When you purchase from Compressed Air Advisors Online, you gain more than a pump. You gain nationwide expertise and real-world compressed air experience to ensure you select the right diaphragm pump configuration for your application.