Fire Sprinkler Systems Archives

#469 – How to Understand and Use Viking Sprinkler Part Numbers

January 21, 2025January 15, 2025

Fire sprinkler SINs are very useful identifiers, but they don’t tell you everything. Here’s how to read and use Viking sprinkler part numbers.

#466 – Can a Single Fire Sprinkler Model (SIN) Be Installed Concealed OR Exposed?

December 10, 2024December 4, 2024

One unique sprinkler identification number (SIN) often indicates whether a sprinkler is a concealed or exposed model. But there are exceptions! Learn about dual-application versions and how to ID and order them properly.

#465 – How to Buy American-Made Fire Protection Equipment

November 27, 2024November 20, 2024

American-made fire sprinklers and other fire protection parts aren’t hard to find! Learn how to comply with the Buy American Act and Build America, Buy America rules for qualifying fire protection projects.

Flush sprinkler escutcheon vs flush sprinkler escutcheon

#462 – “Flush” vs Flush Sprinkler Escutcheons: What Must Be Listed?

October 24, 2024October 9, 2024

The term “flush sprinkler escutcheon” can mean two different things in fire protection, and only one needs a listing. Learn to spot the difference!

Quick response and standard response fire sprinklers

#460 – How Can the Same Fire Sprinkler Be Quick and Standard Response?

October 7, 2024September 11, 2024

Some fire sprinklers can be rated quick and standard response despite having the same physically designed thermal sensitivity. Learn why!

#459 – BlazeMaster CPVC vs FlameGuard CPVC: The Differences

September 27, 2024August 28, 2024

FlameGuard and BlazeMaster CPVC pipe are both listed for fire protection use, so how different are they? Dive into their specs to see which orange pipe is on top!

#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.

#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.

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.

#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.