August 14, 2024
CPVC fire sprinkler pipe must be listed and use standard dimension ratio units rather than schedule. Learn about SDR pipe measurements and more!
July 31, 2024
NFPA 13 and 25 require hydraulic design information signs on fire sprinkler systems. Here’s a review of why, the rules, and a sample sign.
July 17, 2024
Pressure spikes can damage these devices in fire protection systems and other applications—here’s why, and how to prevent pressure gauge overpressure Pressure gauges are essential … Read more
July 3, 2024
Fusible link fire sprinkler heads and glass bulb sprinklers are extremely similar, but some considerations exist. Learn the differences and when they matter.
June 19, 2024
How can you choose between quick-response, standard coverage, 5.6K upright sprinklers? QRFS referees a showdown between Viking, Tyco, Victaulic, and Reliable.
June 6, 2024
Dry sprinklers can only be installed in specific fittings. Here’s a guide to the NFPA and manufacturer rules for appropriate installations.
May 22, 2024
Pipe tees can have three openings—and they can be different sizes and connection types. Here’s how to understand sizing for reducing tees, straight tees, and mechanical tees.
May 8, 2024
BSPT vs NPT standards for tapered pipe threads govern fire sprinkler sizes. Learn about the differences, where each is used, and how to get the right part.
April 23, 2024
Many building owners and managers know they must maintain fire protection systems, but many aren’t aware of some hidden issues and all the risks of not doing it. QRFS explains common compliance gaps and potential consequences.
April 10, 2024
How can you choose between quick response pendent 5.6k fire sprinklers? QRFS compares Viking, Tyco, Victaulic, and Reliable models.
March 27, 2024
Some water leaks out of the ball drip valve under an FDC while doing a hydrostatic test. Is this normal? Learn why it is and what to do.
