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Versamatic’s 2" (51mm) air-operated double-diaphragm (AODD) pumps are available in clamped or bolted designs.

The bestselling pump category of Versamatic for decades, 2" (51mm) AODD pumps deliver a high flow rate while offering portability. This ultimate utility pump gives you flexibility, mobility and reliability. The 2" AODD pump uses a patented air valve system to provide non-stalling, lube-free performance.

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