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#135 – Wafer Butterfly Valves vs Grooved Butterfly Valves for Fire Protection: Pros, Cons, and Guidance from NFPA

Posted by Jason Hugo on 11/20/2018 to Valves
Grooved butterfly valves and wafer butterfly valves both control flow in fire sprinkler and standpipe systems – but is there a reason for choosing one over the other? QRFS looks at the features of different butterfly valves for fire protection, including guidance from the National Fire Protection Association.

#134 – Which Fire Sprinkler Wrench Do I Need?

Posted by Jason Hugo on 11/15/2018 to Contractor Tools
Fire sprinkler wrenches must be compatible with a specific make and model of fire sprinkler. QRFS explains how to determine the right wrench for the job, as well as how to stock a spare sprinkler kit.

#133 – Hydrostatic Test Pump Features to Consider When Selecting a Pump

Posted by Jason Hugo on 11/6/2018 to Contractor Tools
What makes a hydrostatic test pump better for acceptance and maintenance testing on fire sprinkler and standpipe systems? QRFS takes a look at features impacting the portability, ease of use, and reliability of today's hydrostatic test pumps.

#132 – Choosing a Hydrostatic Test Pump for Fire Sprinklers and Standpipes

Posted by Jason Hugo on 10/30/2018 to Contractor Tools
Standpipes and sprinklers require hydrostatic testing before system acceptance, every 5 years for certain standpipes, and/or when there are significant system revisions. But how do you know if you’ve got the right pump for the job? QRFS reviews the key specs and features to look for when choosing a hydrostatic test pump.

#131 – Which Fire Sprinkler Do I Have? And How Do I Replace It?

Posted by Jason Hugo on 10/23/2018 to Fire Sprinkler Head Replacement Cabinet
While fire sprinkler identification numbers have made identifying and replacing recently-made fire sprinklers easier, a confusing variety of old and new sprinklers remain in service. QRFS explains how to determine which fire sprinkler you have, plus replace one that isn't commercially available.

#129 - NFPA 25: 10 Most Common Fire Sprinkler System Compliance Issues and How to Avoid Them, Part 2

Posted by QRFS Staff on 10/9/2018 to Fire Sprinkler Head Replacement Cabinet
In the second installment of a two-part series, QRFS explains the top code violations noted by Jack Coffelt, National Operations Manager for Siemens Industry, Inc., a national fire protection inspection, testing and maintenance (ITM) contractor.

#128 - NFPA 25: The 10 Most Common Fire Safety System Compliance Issues and How to Avoid Them, Part 1

Posted by QRFS Staff on 10/2/2018 to NIST Certification
In part one of a two-part series, QRFS explains the top 10 NFPA 25 facility code violations and how to address them to avoid citations and fines during a fire inspection.

#127 - Fire Sprinkler Gauges: Where They Must Be and When to Replace Them

Posted by Jason Hugo on 9/25/2018 to Gauges
Working pressure gauges make it easy to spot serious problems in a fire sprinkler system. QRFS looks at the NFPA requirements for fire sprinkler gauge placement and replacement in residential and commercial systems.

#126 - Where Does an External Sprinkler Alarm Bell Need to Be Mounted in Relation to a Fire Department Connection?

Posted by Jason Hugo on 9/18/2018 to Fire Department Connection
Where an outside alarm bell should be mounted in proximity to a fire department connection, as well as whether you need one at all, depends on the local code used by your authority having jurisdiction (AHJ). Nevertheless, NFPA, the IBC, and the IFC offer some direction on the issue. QRFS examines the code for mounting outside waterflow alarms in a commercial fire sprinkler system.

#125 - A Guide to Inspecting Fire Sprinkler Systems for Facility Managers, Part 7

Posted by Jason Hugo on 9/11/2018 to How a Fire Sprinkler Works
Dry, preaction, and deluge sprinkler systems have unique equipment that needs to be checked so the system functions properly. QRFS’ continuing series on commercial fire sprinkler inspections looks at the NFPA requirements for automatic detection systems and air compressors.

#124 – What is a Fire Panel and How Does it Work?

Posted by Jason Hugo on 9/4/2018 to Fire Inspections
Fire alarm control panels can interface with hundreds of life-saving devices simultaneously. QRFS looks at how fire code and the features of today’s fire panels streamline evacuation and emergency response efforts.

#123 - A Guide to Inspecting Fire Sprinkler Systems for Facility Managers, Part 6

Posted by Jason Hugo on 8/28/2018 to Fire Inspections
Tanks are often required as the sole water source for fire sprinkler systems in rural areas, and can serve as a secondary source for structures that have a high water demand. QRFS’ continuing series on commercial fire sprinkler inspections looks at the NFPA requirements for inspecting tanks.

#120 - Help! My Fire Sprinkler Was Painted. What Should I Do?

Posted by Jason Hugo on 8/7/2018 to How a Fire Sprinkler Works
NFPA and numerous fire sprinkler manufacturers have a zero tolerance policy for any sprinkler that has been painted with any amount of aftermarket paint. The required course of action is replacement. QRFS looks at why the rules are so strict about painted fire sprinklers, as well as how to choose a replacement model.

#119 - What Facility Managers Need to Inspect on a Fire Sprinkler System, Part 4

Posted by Jason Hugo on 7/31/2018 to Gauges
In QRFS’ continuing series on NFPA’s commercial fire sprinkler inspection requirements, we look at what you need to check out — and when — it comes to gauges, signage, water flow alarms and supervisory signaling devices.

#118 – How to Replace an Obsolete Fire Sprinkler Head or Component

Posted by Jason Hugo on 7/24/2018 to Fire Sprinkler Cover Plates
Over time, fire sprinkler manufacturers collapse, merge, or discontinue products, making repairs to fire sprinkler systems more difficult. Our manufacturer identification and product replacement guide can help make that task a little easier.

#117 – What Facility Managers Need to Inspect on a Fire Sprinkler System, Part 3

Posted by Jason Hugo on 7/17/2018 to Fire Inspections
Fire pumps add a great deal of complexity to the maintenance of a commercial fire sprinkler system. In Part 3 of QRFS’ continuing series, we explain the inspection requirements for systems with fire pumps — whether they use electric, diesel, or steam-turbine engines.

#116 - What Temperature Fire Sprinkler Cover Plate Do I Need?

Posted by Jason Hugo on 7/10/2018 to Fire Sprinkler Cover Plates
Fire sprinkler cover plates must be rated for the exact temperature that fits a specific sprinkler head. QRFS explains how to determine the right temperature rating when looking to replace a cover plate. 

#115 - Can PEX Be Used in a Dry or Preaction Fire Sprinkler System?

Posted by Jason Hugo on 7/3/2018 to Fire Sprinkler Regulatory
PEX tube has been approved for use in wet fire sprinklers, in both multipurpose and standalone systems — but what about dry or preaction systems? QRFS answers an interesting question posed by a reader — and gets a ruling directly from the National Fire Protection Association (NFPA).

#113 - What Facility Managers Need to Inspect on a Fire Sprinkler System, Part 2

Posted by Jason Hugo on 6/19/2018 to Fire Inspections
Regular inspections are required to keep commercial fire sprinkler systems working and up to code. In the second installment of a series, QRFS explains the steps involved in the annual visual inspection of pipe and fittings, plus how to classify any issues that are found.

#111 - What Facility Managers Need to Inspect on a Fire Sprinkler System, Part 1

Posted by Jason Hugo on 6/5/2018 to Fire Sprinkler Cover Plates
Regular inspections are required to keep commercial fire sprinkler systems working and up to code. In the first part of a series, QRFS explains the steps involved in the annual visual inspection of fire sprinkler heads.

#109 - CPVC vs. PEX: What’s the Best Choice for Home Fire Sprinkler Systems?

Posted by Jason Hugo on 5/22/2018 to How a Fire Sprinkler Works
CPVC and PEX have become extremely popular, safety-approved pipe materials in home fire sprinkler systems. Both are easier and less expensive to install than metallic pipe and have some better performance characteristics. But which of the two thermoplastics is better? QRFS attempts to answer this excellent question.

#108 - The Benefits of Institutional Fire Sprinklers in Correctional Facilities and Secure Environments

Posted by Jason Hugo on 5/15/2018 to Fire Sprinkler Escutcheons
Tamper-resistant fire sprinklers are essential in prisons, jails, mental health facilities, and other secured environments. QRFS explains how institutional fire sprinkler heads can help prevent vandalism, suicide, accidental discharges and other incidents that involve tampering with an automatic fire safety system.

#107 - The Use of Antifreeze in Fire Protection Systems

Posted by Jason Hugo on 5/8/2018 to Fire Sprinkler Regulatory
After a series of incidents in which antifreeze ignited after sprinklers deployed during a fire, NFPA investigated and began issuing new guidelines for its use in 2010. QRFS explains the current status of using antifreeze in fire protection systems, as well as alternatives for freeze protection.

#106 - The Benefits of Concealed Fire Sprinklers in Cleanrooms and Sanitary Environments

Posted by Jason Hugo on 5/1/2018 to Fire Sprinkler Cover Plates
Cleanrooms that are used in manufacturing, research, and medical facilities require fire sprinkler systems that are easy to clean without damaging the sprinkler heads. QRFS details the benefits of fire sprinkler cover plates in cleanrooms and other highly-sanitary environments.

#104 - Residential Fire Sprinkler Systems: Maintaining Home Fire Sprinklers is Simple

Posted by Jason Hugo on 4/17/2018 to Fire Sprinkler Systems
Residential fire sprinklers are simple and easy to maintain, and they can last for decades with minimal care. But the specific maintenance requirements depend on the type of system and the components that are installed. We take a look at how to maintain different systems, including the essential "don'ts" that ensure home sprinklers will work in an emergency.