Thoughts on Fire Blog

#457 – Hydraulic Design Information Sign for Fire Sprinklers: A Guide

August 22, 2024July 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.

#456 – How to Protect Gauges from Overpressure and Damage

August 1, 2024July 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 for monitoring the status of fire sprinkler systems, standpipes, and … Read more

#455 – Fusible link sprinkler head vs glass bulb sprinkler: the differences

July 11, 2024July 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.

#454 – Sprinkler Showdown: VK3001 vs TY313 vs V2704 vs RA1425

October 24, 2024June 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.

Why you can't install dry sprinklers in mechanical tees

#453 – Why You Can’t Install Dry Sprinklers with Mechanical Tees, Elbows & More

June 11, 2024June 6, 2024

Dry sprinklers can only be installed in specific fittings. Here’s a guide to the NFPA and manufacturer rules for appropriate installations.

#452 – How to Understand Tee Sizes: Mechanical, Straight & Reducing Tees

June 4, 2024May 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.

#451 – BSPT vs NPT Fire Sprinkler Head Sizes: Know the Difference

June 3, 2024May 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.

#450 – Why Building Owners & Managers Must Maintain Fire Protection Systems!

April 26, 2024April 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.

#449 – Sprinkler Showdown: VK3021 vs TY323 vs V2708 vs RA1414

April 11, 2024April 10, 2024

How can you choose between quick response pendent 5.6k fire sprinklers? QRFS compares Viking, Tyco, Victaulic, and Reliable models.

#448 – Why Ball Drip Valves Don’t Totally Seal During Hydrostatic Tests

March 28, 2024March 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.