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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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Pipe

fire sprinkler flex drop guide

#367 – Which Fire Sprinkler Flex Drop Do I Need? Part 1

January 28, 2025October 20, 2020

Use this guide to select the right fire sprinkler flex drop for your fire sprinkler installation.

Leave a comment
pipe riser clamp

#363 – How to Use Pipe Riser Clamps

January 28, 2025September 22, 2020

To support vertical runs of pipe, riser clamps transfer the load to the building structure. QRFS explains how and where to install these devices.

2 Comments
How to use pipe thread sealant

#362 – How to Use Pipe Thread Sealant

January 28, 2025September 15, 2020

Pipe thread sealant creates a water-tight seal in threaded pipe joints. Learn how to use pipe thread sealant and whether PTFE is the same as Teflon.

8 Comments
Mechanical tee fire sprinkler

#357 – A Guide to Mechanical Tees for Fire Sprinkler Systems

January 28, 2025August 11, 2020

Mechanical tees make adding branch lines to fire sprinkler systems easy. Learn how mechanical tees work and how to install them.

2 Comments
sprinkler system drain cap

#356 – Sprinkler System Drain Caps: Why Do You Need Them?

January 28, 2025August 4, 2020

Grooved drain caps make it simple to flush water from fire protection systems thoroughly, and also serve as transitional fittings. Learn more.

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Sprinkler Pipe Fittings Types

#335 – Sprinkler Pipe Fittings and Couplings: Types and Uses

January 29, 2025March 24, 2020

Grooved pipe fittings make for faster installations—and an impressive variety of couplings, tees, and other sprinkler pipe fittings make them far easier, too.

8 Comments
Seismic Bracing for Ductwork HVAC and Electrical

#329 – Seismic Bracing for Ductwork, HVAC, and Electrical Systems

January 29, 2025March 3, 2020

Protecting nonstructural components from earthquake damage In earthquake-prone areas, proper design and engineering make sure buildings stay structurally sound during a seismic event. But earthquakes damage more than just piers and beams, so it’s important … Read more

10 Comments

#321 – Loos Seismic Bracing Protects Building Systems from Earthquakes

January 29, 2025January 30, 2020

Seismic bracing for pipes, ductwork, electrical components, and more keeps systems up and running after the shaking stops The risk of fire runs high after earthquakes, most often triggered by broken gas lines, exposed wires, … Read more

2 Comments
Fire sprinkler pipe obstruction investigation

#297 – Fire Sprinkler Pipe: How to Perform an Obstruction Investigation, Part 2

January 30, 2025November 19, 2019

Blocked fire sprinkler pipe puts lives and property in jeopardy. Learn how to conduct an obstruction investigation and flush blocked pipes.

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Fire sprinkler pipe obstruction investigation

#296 – Fire Sprinkler Pipe: How to Perform an Obstruction Investigation, Part 1

January 30, 2025November 15, 2019

Learn how to spot the conditions that should trigger a detailed obstruction investigation of fire sprinkler pipe according to NFPA 25.

4 Comments
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