September 29, 2020
Globe valve vs. gate valve vs. ball valve—which is best for the job? QRFS explains how to pick the right valve for specific applications.
September 22, 2020
To support vertical runs of pipe, riser clamps transfer the load to the building structure. QRFS explains how and where to install these devices.
September 15, 2020
Pipe thread sealant creates a water-tight seal in threaded pipe joints. Learn how to use pipe thread sealant and whether PTFE is the same as Teflon.
September 8, 2020
Learn the NFPA model code requirements for maintaining fire safety in churches, mosques, synagogues, and other houses of worship.
September 1, 2020
Alarm gong systems deliver warning that sprinklers are operating—even if the power goes out. Learn exactly how they work.
August 25, 2020
Learn why handheld digital tachometers offer unmatched accuracy and ease of use in fire pump tests and other RPM measurements.
August 18, 2020
Sufficient pressure is vital for working fire sprinklers. But how much sprinkler water pressure is enough? Learn the physics and NFPA rules.
August 11, 2020
Mechanical tees make adding branch lines to fire sprinkler systems easy. Learn how mechanical tees work and how to install them.
August 4, 2020
Grooved drain caps make it simple to flush water from fire protection systems thoroughly, and also serve as transitional fittings. Learn more.
July 28, 2020
Learn when to contact your authority having jurisdiction—including for building permits, impairments, licenses, and other technical questions.
July 21, 2020
Recessed sprinklers stay in sight. Cover plates hide concealed sprinklers. But learn why there’s more to these types sprinklers than meets the eye.
