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In our last blog we talked about how to properly size a hydropneumatic tank – but the engineer’s work doesn’t end there. He or she also needs to specify the appropriate pre-charge on the drawings. Otherwise the tank will not be set properly at start-up and will not provide the intended energy savings.
Properly sized hydropneumatic tanks are a non-negotiable element in a domestic water pressure booster system--including variable speed systems. Without a hydropneumatic tank, pumps will short cycle on and off during no flow periods. Even a leaky faucet can cause pumps to operate unnecessarily without this pressurized reserve of water.