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  • Fire Sprinklers
    • Cover Plates
      • Cover Plate Finder
      • Flat
      • Domed
      • Viking Cover Plates
      • Tyco Cover Plates
      • Reliable Cover Plates
      • Victaulic Cover Plates
      • Senju Cover Plates
      • Cleanroom
    • Escutcheons
      • Escutcheon Finder
      • Recessed
      • Adjustable (401)
      • Split Ring (Retrofit)
      • One Piece
      • Institutional
      • Viking Escutcheons
      • Tyco Escutcheons
      • Reliable Escutcheons
      • Victaulic Escutcheons
      • Senju Escutcheons
      • Vaulted Ceiling
      • Extension Tubes
    • Sprinkler Heads
      • Sprinkler Finder
      • Uprights
      • Pendents
      • Concealed Pendents
      • Horizontal Sidewalls
      • Concealed Sidewalls
      • Residential
      • Standard Response (SR)
      • Quick Response (QR)
      • ESFR, EC, & Other
      • Institutional
      • Viking Fire Sprinklers
      • Tyco Fire Sprinklers
      • Victaulic Fire Sprinklers
      • Reliable Fire Sprinklers
      • Senju Fire Sprinklers
    • Head Wrenches
      • Standard
      • Concealed
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      • Cabinet/Plastic
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    • Sprinkler Accessories
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      • Installation Tools
      • Trim Rings
      • Spare Head Cabinets
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      • Paint Covers
      • Standard Head Guards
      • Heavy Duty Head Guards
      • Water Shields and Baffles
    • Shut off Tools
      • Shutgun
    • System Components
      • Sprinkler Gauges
      • Flexible Drops
      • Drywall Access Doors
      • Pre-Assembled Risers
      • Cleaning Tools
      • Breakable Locks
  • Pipe
    • CPVC Fittings
      • Caps
      • Couplings
      • Adapters and Reducers
      • Elbows
      • Tees
      • Bushings
      • Pipe
      • Crosses
      • Cement
    • Grooved Fittings
      • Couplings
      • Adapters and Reducers
      • Caps
      • Mechanical Tees
      • Tees
      • Elbows
      • Crosses
      • Coupling Grease
    • Black Iron Fittings
      • Bushings
      • Nipples
      • Square Head Plugs
    • Wall Plates
      • Plastic
      • Metal
      • Galvanized
      • Rod Buttons
    • Installation & Cutting
      • Pilot Clamps
      • Hole Saw Blades
      • Sealants and Greases
      • Boltbreakers
      • Tru Drill
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      • Decals and Stickers
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  • Test & Monitor
    • Hydrostatic Test Pumps
    • Smoke Detector Testing
      • Smoke Detector Test Kits
      • Smoke Aerosols and Cartridges
      • Smoke Dispensers
      • Sensitivity Testers
      • Scorpion (Mounted)
    • CO Detector Testing
      • CO Detector Test Kits
      • CO Aerosols and Cartridges
      • CO Dispensers
    • Alarm Testing
      • Battery Testing
      • Duct Detector Testing
      • Sound & Voice Testing
    • Other Detector Testing
      • Heat Detector Test Kits
      • Heat Detector Testers
      • Universal Detector Test Kits
      • Detector Testing Equipment & Accessories
      • Removal and Cleaning
      • Batteries and Chargers
      • Access Poles
    • Gauges
    • Flow Testing
      • Flow Test Kits
      • Pitot Gauge Kits
      • Flow Testing Parts
    • Alarm Bells
      • 24V
      • 120V
      • Alarm Bell Accessories
    • Electronic Supervision
      • Flow Switches
      • Pressure Switches
      • Supervisory Switches
  • FDCs
    • Exposed Bodies
      • Angled
      • Straight
    • Concealed Bodies
      • Angled
      • Straight
    • Caps and Plugs
      • Breakable Caps
      • Plug and Chains
    • Snoots and Swivels
    • Identification Plates
      • Round ID Plates
      • Square ID Plates
      • Auto Spkr ID Plates
      • Standpipe ID Plates
      • Combination ID Plates
    • Residential
  • Valves
    • Butterfly Valves
      • Grooved Butterfly Valves
      • Threaded Butterfly Valves
      • Wafer Butterfly Valves
    • OS&Y Valves
    • Other Control Valves
      • Powerball Valves
      • Gate Valves
    • Shotgun Riser Check Valves
    • Other Check Valves
      • Brass Check Valves
      • In-Line Check Valves
      • Swing Check Valves
    • Angle Valves
    • Testing & Maintenance
      • Pressure Relief Valves
      • Bleeder Valves
      • Three Way Valves
      • Ball Valves
      • Globe Valves
      • Ball Drip Valves
      • Auxiliary Drain Valves
      • Test and Drain Valves
    • Hose Valves
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      • Post Indicator Valve Wrench
      • Valve Wheel Wrenches
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Most Recent Articles

Fire sprinkler corrosion

My Fire Sprinkler Pipes are Corroded. Now What?

June 27, 2019

QRFS examines what to do if you’ve uncovered fire sprinkler corrosion in pipes—and steps you can take to avoid costly repairs or system replacements in the future.

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Maximum and minimum sprinkler distance

Maximum and Minimum Sprinkler Distance Rules, Part 1: Standard Spray Fire Sprinklers

June 26, 2019

Installers and designers rely on NFPA 13 for the effective placement of fire sprinklers. To learn more about the maximum and minimum distances from standard sprinkler heads to walls—and from one head to another—read on.

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Fire Sprinkler Accidents: The Top 5 Causes of Discharges and Leaks

June 25, 2019

QRFS shares tips for avoiding fire sprinkler accidents and system leaks—and reveals the easiest methods for stopping them once they happen.

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Installing Fire Sprinklers in Commercial Buildings: Evolving Codes & Tragedies Drive Laws

June 24, 2019

Fire sprinkler installations are becoming increasingly popular as more state and local governments adopt model codes (partially or in whole) as laws. This article highlights current trends & legislative activity.

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Fire extinguisher spraying on a fire

Guide to Fire Extinguisher Clean-Up

June 21, 2019

QRFS explains fire extinguisher clean-up, including how to identify and safely clean and dispose of the chemical agents used.

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The fire at Notre-Dame Cathedral

The Fire at Notre-Dame Cathedral and the Problem of Church Fires

June 19, 2019

QRFS takes a close look at the Notre-Dame cathedral fire, explaining what happened and what it means for the more widespread problem of fire in churches and other houses of worship.

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Pipe with holes drilled in them

Pilot Clamp not Available? The Tru-Drill II is a Great Alternative

June 18, 2019

Pilot clamps are sometimes out of stock, but the Tru-Drill II is a reliable alternative for drilling perfect holes in pipe—with its own unique features.

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Fire extinguishers that are not ADA compliant

Are My Building’s Fire Extinguishers and Pull Stations ADA-Compliant?

June 14, 2019

The Americans with Disabilities Act helps wheelchair users and people with visual impairments safely navigate buildings and use life-saving devices. QRFS looks at ADA fire extinguisher height, pull station placement, and other rules designed to allow people with disabilities full access to these life-saving devices.

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A storage facility hallway

Fire Protection for Storage Occupancies: NFPA and IFC Codes and Standards

June 13, 2019

An overview of the fire protection requirements for storage facilities, which are often fewer than many other occupancy types.

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Fire hose with adapter

Fire Hose Adapters and Fittings: The Definitive Guide

June 12, 2019

They’re some of the smallest items on a fire engine—but they help firefighters make the most of other equipment. Get a quick handle on today’s fire hose fittings & adapters with this definitive guide from QRFS.

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Firefighters rappelling down a building

Is it Time to Retire Your Life Safety Rope?

June 10, 2019

QRFS explains how to inspect and record accurate histories of life safety rope, helping fire departments determine whether they are still safe for service.

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Flood zone sign

Fire Sprinkler Accident Videos: The Hall of Shame

June 7, 2019

QRFS takes a look at seven sprinkler mishaps that might have been avoided with heavy-duty fire sprinkler head guards.

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Firefighting playpipe

What’s a Firefighting Playpipe and Why Do We Call It That?

June 6, 2019

QRFS looks at the origins and historic use of the term “playpipe,” explaining how firefighting playpipe became the inspector’s tool of choice for straightening water flows.

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Shutgun closing off a fire sprinkler

How to Stop a Fire Sprinkler Head with the Correct Shutgun Sprinkler Tool

June 5, 2019

A false activation of a fire sprinkler can quickly cause expensive water damage. QRFS explains how Shutgun sprinkler tools quickly and easily stop discharge at the source and which one to buy for different systems.

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Paint Markers for Metalwork, Construction, HVAC, Maintenance, and Industrial Applications

June 4, 2019

Many marking tools don’t perform well on non-porous surfaces like metal—and the marks they leave aren’t suited to rough handling, heat, weather, and other extreme conditions. QRFS explains how oil-based paint markers for metal can make life easier for those working in construction, metalwork, and other industries.

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Life Safety Rope: NFPA Requirements for Cleaning and Storage

June 3, 2019

QRFS explains best practices for caring for life safety rope, meeting NFPA requirements, and avoiding damage that can put firefighters’ lives at risk.

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