May 8, 2018
After a series of incidents in which antifreeze ignited after sprinklers deployed during a fire, NFPA investigated and began issuing new guidelines for its use in 2010. QRFS explains the current status of using antifreeze in fire protection systems, as well as alternatives for freeze protection.
March 1, 2018
The right fire hose spray nozzle can quickly extinguish or control a fire. The wrong type can be ineffective, hard to control, or even harmful. QRFS looks at fire hose nozzles, thread types, cleaning, and maintenance to help you choose the right nozzle for the task at hand.
February 22, 2018
The best fire hoses efficiently move water, and lots of it. But no two kinds of hose are exactly alike. In this guide, QRFS looks at the basic types and features of fire hose, the materials that separate the best hose from the worst, and what you need to do to keep the hose you’ve got fully functional.
November 9, 2017
In this article, we dive into thread standards and thread sizing. Travel back into history to gain a better understanding of thread sizes, learn what standards are used today, and find out what solutions are available to ensure you get the right threads for your fire protection job.
December 16, 2016
A comprehensive guide to the three main double jacket fire hose sizes used as attack line hose: 2 inch, 1.75 inch, and 1.5 inch.
July 15, 2016
The Siamese Fire Department Connection (FDC) features two female inlets and plays an essential role in providing supplemental water to sprinkler and standpipe systems.
July 8, 2016
The fire department connection (FDC) is the access point for a building’s standpipe or sprinkler system to receive water from fire engines. Learn about FDC types, components, uses, and standards and code governing them.
March 19, 2013
In this edition of the Fire Sprinkler System Components series, we discuss Storz Connections. What is a Storz Connection? How does it work? Where is it found?
