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Home » Authors » George McHugh

Articles by George McHugh

fire sprinkler system

The risks of adjustable pressure relief valves

Choosing the correct relief valve needs preplanning.
George McHugh
November 22, 2022

Pressure relief valves protect fire sprinkler system components by relieving excess system pressure from supply surges or temperature changes. Since the 2010 edition, NFPA 13: “Standard for the Installation of Sprinkler Systems” has required pressure relief valves to be installed on all wet pipe fire sprinkler systems. But picking the correct relief valve for a specific system does need a little preplanning.


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AGF’s PURGEnVENT Model 7900 Automatic Air Vent

New trends in corrosion and freeze protection for resilient fire sprinkler systems

New product innovations present solutions to common pitfalls.
George McHugh
November 17, 2021

How can engineers and contractors design wet fire sprinkler systems equipped to prevent corrosion and dry systems equipped to prevent freezing? That has long been a question central to code requirements and new product development.


Read More
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