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Backflow Preventer Pressure Drop Calculator

The Apollo Pressure Drop Calculator tool allows design engineers to easily determine the pressure losses of Apollo Backflow Preventers across assemblies ½” through 12” assemblies.


It’s features and benefits that set Apollo Valves apart from the competition. 5 year warranties, no charge stainless steel handles, ease of maintenance, quality that you’ve come to trust through Apollo Valves, and Made in the USA. These are qualities that Apollo Valves by Conbraco Industries Inc do not take lightly.

Apollo Valves has taken the time to do extensive market research on what you need in a backflow preventer. Through our experienced engineering and sales team we have brought to you what you asked for. A competitively priced, easy to maintain, Made in South Carolina; full backflow preventer line.

You can count on Made in the USA.
You can count on Apollo Valves.

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What You Need To Know About Backflow

If a driver travels down the road in the wrong direction on a one-way street, bad consequences usually happen. The same can be said if the water in the plumbing system flows in the opposite direction it was intended. This phenomenon is called “backflow” and backflow can happen in one of two ways: through backpressure or backsiphonage. Let’s explore the two.


Plumbing systems are designed and installed so that…

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