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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
    • 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
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      • Aluminum Signs
      • Decals and Stickers
    • FDC Signs
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    • 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
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      • Brass Cap and Chain
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Pipe

#238 – Grooved Couplings: The Fastest Way to Connect Pipe

February 2, 2025July 30, 2019 by Jason Hugo
Grooved couplings on steel pipe

Learn about grooved couplings in pipe systems: how they compare to flanged or welded joints while reducing the labor required for installation & maintenance.

Categories Pipe 4 Comments

#224 – Fire Sprinkler System Pipe Material: The Pros and Cons of Copper and CPVC

February 2, 2025July 10, 2019 by Jason Hugo
Copper fire sprinkler pipe vs CPVC fire sprinkler pipe

QRFS finishes its examination of common fire sprinkler system pipe materials by taking a hard look at copper and CPVC, two of the most popular options.

Categories Pipe Leave a comment

#223 – Fire Sprinkler System Pipe Material: NFPA Requirements and the Pros and Cons of Steel

August 19, 2025July 9, 2019 by Jason Hugo
Fire sprinkler pipe

QRFS examines the advantages and disadvantages of steel pipe, one of the most popular fire sprinkler system pipe materials for commercial applications.

Categories Pipe 12 Comments

#220 – CPVC vs PVC: How a Simple Change Transforms PVC into CPVC Fire Sprinkler Pipe

February 2, 2025July 4, 2019 by Jason Hugo
CPVC vs. PVC

CPVC and PVC pipes both move water and share other characteristics, but only one is used in fire protection Since its first use in fire … Read more

Categories Pipe 21 Comments

#219 – Paint Markers for Tires, Warehousing, Art, and Other Common Uses

February 2, 2025July 3, 2019 by Jason Hugo
Paint marks on a shipping container

Most paint markers claim to be permanent, but with uses that vary from touching up tires to decorating rocks, what’s hype and what’s reality? QRFS explores trending and established uses for paint markers to help consumers choose between specialty and all-purpose models.

Categories Pipe Leave a comment

#215 – My Fire Sprinkler Pipes are Corroded. Now What?

February 2, 2025June 27, 2019 by Jason Hugo
Fire sprinkler corrosion

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.

Categories Pipe 1 Comment

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

February 2, 2025June 18, 2019 by Jason Hugo
Pipe with holes drilled in them

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.

Categories Pipe Leave a comment

#198 – Paint Markers for Metalwork, Construction, HVAC, Maintenance, and Industrial Applications

February 2, 2025June 4, 2019 by Jason Hugo

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.

Categories Pipe 2 Comments

#193 – Guide to Flexible Fire Sprinkler Drops, Part 2: Selection and Code Issues for FlexHead, VICFLEX, and More

February 2, 2025May 28, 2019 by Jason Hugo
Flexible fire sprinkler drops in a ceiling

Knowledge of rated bends, manufacturers, and fire code can help contractors make informed decisions about the selection and installation of flexible fire sprinkler drops. To learn more about FlexHead, VicFlex, and other leading products, read on.

Categories Pipe 7 Comments

#189 – Guide to Flexible Fire Sprinkler Drops, Part 1: Ceilings, Sprinkler Armovers, and Seismic Issues

February 2, 2025May 22, 2019 by Jason Hugo
Flexible fire sprinkler drops

QRFS looks at the adoption of flexible fire sprinkler drops, explaining how they work with suspended ceilings, why they install faster than sprinkler armovers, and how they help installers protect sprinkler systems against earthquakes.

Categories Pipe 2 Comments

#187 – Guide to Pipe Joint Lubricant: ProSelect, Phoenix 27-XL and 27-A

February 2, 2025May 20, 2019 by Jason Hugo
Push pipes

Learn about pipe joint lubricant: what it does, when it’s used, safety issues, and how lubricants vary across leading brands such as Phoenix 27 XL, Phoenix 27 A, and ProSelect.

Categories Pipe Leave a comment
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