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“Time is money” is a common refrain in business. When it comes to air-operated double-diaphragm pumps (AODD) pumps in fluid handling operations, “downtime is money” is an even more accurate phrase. Your company achieves its goals and serves customers best when your AODD pumps are functioning properly, not when they’re out of service.

Do you hear a hissing sound coming from an air-operated double-diaphragm (AODD) pump at your plant? It could mean your pump is due for new pilot valve O-Rings. Is your pump cycling once but won’t come back? You may have bent actuator pins, improperly installed air valve gaskets, or something else on your hands.

Air-operated double-diaphragm (AODD) pumps are a simple, reliable tool for plants of all types, but they do occasionally require troubleshooting. One potential issue is a suction malfunction, which can damage the pump and take your equipment offline if not remedied quickly. Fortunately, you can easily prevent, identify, and fix most AODD suction issues if you know the basic components of an AODD pump and you know what you’re looking for. 

Leaks are never a good thing, whether you’re talking about a faucet in your kitchen, the engine of your Chevy, or an air-operated double diaphragm (AODD) pump at your plant.