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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
      • Recessed
      • Cabinet/Plastic
      • Hybrid and Other
    • Sprinkler Accessories
      • Sprinkler Extensions
      • Installation Tools
      • Trim Rings
      • Spare Head Cabinets
    • Guards and Shields
      • 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
    • Flexible Drops
    • 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
      • Paint Markers
    • Hangers and Fasteners
      • Riser Clamps
      • CPVC Hangers
      • Fasteners and Drivers
      • Beam Clamps
      • Swivel Rings
  • Signs & Decals
    • Sprinkler Signs
      • Aluminum Signs
      • Decals and Stickers
    • FDC Signs
    • Fire Extinguisher Signs
    • Sign Chain
  • 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
    • Valve Wrenches
      • Post Indicator Valve Wrench
      • Valve Wheel Wrenches
    • Valve Trim Kits
  • Fire Hose & Hydrants
    • Hose Caps
      • Aluminum Cap and Chain
      • Plastic Cap and Chain
      • Brass Cap and Chain
    • Hose Valves
    • Wrenches
    • Hose Nozzles
    • Mounting and Storage
      • Covers
      • Pin Racks
      • Reels
    • Hose
      • Double Jacket Hose
      • Rack and Reel Hose
      • Single Jacket Hose
    • Hose Adapters and Reducers
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Fire Sprinklers

Reading Viking fire sprinkler data sheet

#429 – How to Read a Viking Fire Sprinkler Data Sheet

January 24, 2025July 5, 2023

Fire sprinkler data sheets seem confusing but they’re easy if you know what to look for. Here’s how to read Viking fire sprinkler data sheets.

Tags fire sprinkler data sheets, viking data sheet Leave a comment
What is fire sprinkler k-factor?

#428 – What is a Fire Sprinkler K-Factor? And Which K-Factor Do I Have & Need?

January 24, 2025June 21, 2023

Fire sprinkler K-factor is crucial for system performance and protection. Learn what it is, why it’s essential, and how to find the right sprinkler.

Tags fire sprinkler k-factor 1 Comment
Fire sprinkler obstructions

#427 – Fire Sprinkler Obstructions: The Rules for Nonstructural Objects

January 24, 2025June 7, 2023

Avoiding fire sprinkler obstructions is essential—but when do smaller objects like smoke detectors block sprinklers? QRFS explains the rules.

Tags fire sprinkler obstructions 13 Comments
adjustable fire sprinkler escutcheons

#425 – Escutcheon Adjustment Ranges & Types of Adjustable Fire Sprinkler Escutcheons

January 24, 2025April 26, 2023

Many fire sprinkler escutcheons provide some leeway. Learn about fire sprinkler escutcheon adjustment types and which one you need.

Tags adjustable escutcheons, Fire Sprinkler Escutcheons Leave a comment
Missing fire sprinkler escutcheons

#424 – Missing Fire Sprinkler Escutcheons: The Real Impacts on Performance

January 24, 2025April 12, 2023

When and why do you have to replace missing fire sprinkler escutcheons? QRFS explains the rules and reasons, examining the potential impacts on spray patterns and activation.

Tags Fire Sprinkler Escutcheons, fire sprinkler systems, missing fire sprinkler escutcheons Leave a comment
Oversized hole cut for fire sprinklers

#423 – Fire Sprinkler Trim Rings Fill Big Gaps in Ceilings & Walls

January 24, 2025March 29, 2023

Fire sprinkler trim rings help cover holes that are too big for escutcheons or covers. Learn about metal & Kydex options for oversized wall and ceiling sprinkler penetrations.

Tags Fire Sprinkler Trim Rings 2 Comments
Fire sprinkler cover plate features

#421 – Understanding Fire Sprinkler Cover Plate Features & Variations

January 24, 2025March 1, 2023

Cover plates for concealed fire sprinklers come in different shapes, sizes & more. Learn what the options mean so you can pick the right cover plate for the job.

Tags fire sprinkler cover plates Leave a comment
Electrically operated fire sprinklers

#419 – What Are Electrically Operated Fire Sprinklers?

January 24, 2025February 1, 2023

Electrically operated fire sprinklers are the latest technology for protecting high-challenge environments. Learn how they work and must be maintained.

Tags electrical fire sprinklers, electrically operated fire sprinklers, electrically operated sprinklers Leave a comment
Fire sprinkler acronyms

#418 – Explaining Fire Sprinkler Acronyms: ELO, ESFR & ECOH Sprinklers

January 27, 2025January 19, 2023

What’s the difference between ESFR sprinklers, ECOH sprinklers, and ELO sprinklers? QRFS explains these confusing fire sprinkler acronyms.

Tags ecoh sprinklers, elo sprinklers, esfr sprinklers Leave a comment
Fire sprinkler head replacement

#417 – Fire Sprinkler Head Replacement: Changes to NFPA 25 Rules

January 24, 2025January 11, 2023

The rules for fire sprinkler head replacement when you find paint, loading, or corrosion have gotten looser over the years. Learn when new sprinklers are necessary.

8 Comments
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