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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.
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.