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Recent Blogs

#393 – The Basics of CMDA, CMSA, In-Rack, and ESFR Storage Sprinklers

#393 – The Basics of CMDA, CMSA, In-Rack, and ESFR Storage Sprinklers

Learn how storage fire sprinklers like CMDA, CMSA, and ESFR models protect challenging warehouse environments from fires.
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#392 – How To Size a Fire Pump and the Basics of Performance Curves

#392 – How To Size a Fire Pump and the Basics of Performance Curves

Fire pumps are vital equipment for fire sprinkler systems. Learn how to read a fire pump performance curve and size a fire pump.
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#391 – How to Tell if Your Fire Sprinklers Need Cleaning or Replacement

#391 – How to Tell if Your Fire Sprinklers Need Cleaning or Replacement

Dirty fire sprinklers are a common code compliance problem. Learn how and when to clean fire sprinklers to stay safe and pass inspection.
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#390 – The Difference Between Standard Response and Quick Response Sprinklers

#390 – The Difference Between Standard Response and Quick Response Sprinklers

Learn what’s unique about standard and quick response sprinklers, along with how residential sprinklers differ from both—even though many people confuse the terms.
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#389 – How to Select a Pipe Cover Plate: Understanding IPS Dimensions

#389 – How to Select a Pipe Cover Plate: Understanding IPS Dimensions

Nominal size is not *actual* size. If you forget this, you’ll end up with components that don’t match. QRFS explains how IPS and other measurements relate to actual size.
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#388 – A Home Fire Safety Checklist and Planning Guide

#388 – A Home Fire Safety Checklist and Planning Guide

Use this checklist to prepare for and prevent house fires. Fire safety depends on planning, prevention, & tools like smoke alarms & fire extinguishers.
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#387 – Extended Coverage Sprinkler Spacing Part 2: Obstructions

#387 – Extended Coverage Sprinkler Spacing Part 2: Obstructions

In part 2 of our series on fire sprinkler spacing for extended coverage sprinklers, QRFS looks at the rules for avoiding obstructions.
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#386 – What’s the Difference Between a Tamper Switch and a Supervisory Switch?

#386 – What’s the Difference Between a Tamper Switch and a Supervisory Switch?

QRFS explains the difference between tamper switches and supervisory switches, plus other types of fire sprinkler system sensors.
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#385 – DeWALT Hangermate Fastener Tools Make Installing Threaded Rod Easy

#385 – DeWALT Hangermate Fastener Tools Make Installing Threaded Rod Easy

Fastener tools like DeWALT HangerMate threaded rod anchors help you hang pipe or other equipment by drilling directly into structural members.
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#384 – The Coast Guard Rules for Boat Fire Extinguishers

#384 – The Coast Guard Rules for Boat Fire Extinguishers

What is a Coast Guard-approved fire extinguisher? How many boat fire extinguishers do you need? QRFS explains the 2016 rule change.
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