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Recent Blogs

#363 – How to Use Pipe Riser Clamps

#363 – How to Use Pipe Riser Clamps

To support vertical runs of pipe, riser clamps transfer the load to the building structure. QRFS explains how and where to install these devices.
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#362 – How to Use Pipe Thread Sealant

#362 – How to Use Pipe Thread Sealant

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.
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#361 – Fire Safety in Churches, Temples, Mosques, and Synagogues

#361 – Fire Safety in Churches, Temples, Mosques, and Synagogues

Learn the NFPA model code requirements for maintaining fire safety in churches, mosques, synagogues, and other houses of worship.
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#360 – How Does a Water Motor Gong Work in Fire Sprinkler Systems?

#360 – How Does a Water Motor Gong Work in Fire Sprinkler Systems?

Alarm gong systems deliver warning that sprinklers are operating—even if the power goes out. Learn exactly how they work.
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#359 – When Do I Need a Digital Tachometer in Fire Protection System ITM?

#359 – When Do I Need a Digital Tachometer in Fire Protection System ITM?

Learn why handheld digital tachometers offer unmatched accuracy and ease of use in fire pump tests and other RPM measurements.
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#358 – How Much Water Pressure is Required for Fire Sprinkler Systems?

#358 – How Much Water Pressure is Required for Fire Sprinkler Systems?

Sufficient pressure is vital for working fire sprinklers. But how much sprinkler water pressure is enough? Learn the physics and NFPA rules.
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#357 – A Guide to Mechanical Tees for Fire Sprinkler Systems

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

Mechanical tees make adding branch lines to fire sprinkler systems easy. Learn how mechanical tees work and how to install them.
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#356 – Sprinkler System Drain Caps: Why Do You Need Them?

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

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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#355 – When and How to Contact the Authority Having Jurisdiction

#355 – When and How to Contact the Authority Having Jurisdiction

Learn when to contact your authority having jurisdiction—including for building permits, impairments, licenses, and other technical questions.
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#354 – Recessed vs. Concealed Sprinkler Heads: What's The Difference?

#354 – Recessed vs. Concealed Sprinkler Heads: What's The Difference?

Recessed sprinklers stay in sight. Cover plates hide concealed sprinklers. But learn why there's more to these types sprinklers than meets the eye.
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