How many independently acting check valves does a standard Reduced Pressure Zone (RPZ) assembly contain?

How many independently acting check valves

Multiple choice — select the best answer

AOne
BThree
CTwo
DFour

✓ Correct answer: C. Two An RPZ assembly contains two independently acting, spring-loaded check valves in series. The space between them is the reduced pressure zone monitored by the relief valve.

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Topic: Assembly Types

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How many independently acting check valves does a standard Reduced Pressure Zone (RPZ) assembly contain?

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