NFPA Water-Based Systems Professional CWBSP Question # 7 Topic 1 Discussion
CWBSP Exam Topic 1 Question 7 Discussion:
Question #: 7
Topic #: 1
When backflow prevention valves are installed on existing pipe scheduled systems, the friction losses of the device shall be accounted for when determining
When backflow prevention devices are added to a system, their associated friction losses can affect the residual pressure available for the sprinkler system operation. Therefore, it's important to account for these losses to ensure the system maintains the required pressure during operation.
References: NFPA 13 includes considerations for the installation of backflow preventers and their impact on system design, emphasizing the need to account for device-related friction losses to maintain adequate residual pressure in the sprinkler system.
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