#65 – Guide to Butterfly Valves for Fire Protection June 5, 2023June 2, 2017 Butterfly valves provide lightweight and low-cost control over water flow in fire sprinkler and standpipe systems A butterfly valve isolates or regulates the flow of fluid through piping systems. While they can be used with liquids, gases, and even semi-solids, butterfly…
#244 – Does My Fire Extinguisher Need a Cover or “Cover Bag?” February 28, 2022August 7, 2019 Building owners and facilities managers may need to protect fire extinguishers with cover bags (or cabinets) under NFPA rules and local fire codes Made from sturdy, waterproof materials, fire extinguisher covers—sometimes described as cover bags—play an important (if…
#187 – Guide to Pipe Joint Lubricant: ProSelect, Phoenix 27-XL and 27-A May 26, 2019May 20, 2019 Pipe joint lubricant streamlines the fitting of push-on and mechanical joints Some innovations have made joining pipes significantly easier. From grooved couplings that remove welding from the pipefitter’s equation to adhesives that chemically join plastic pipes, installers can…
#206 – Are My Building’s Fire Extinguishers and Pull Stations ADA-Compliant? November 23, 2022June 14, 2019 Wheelchair users and people with limited sight benefit from proper placement and selection of fire extinguishers and fire alarm pull stations Nearly 30 years after its passage, the Americans with Disabilities Act has improved the lives of millions of…
#205 – Fire Protection for Storage Occupancies: NFPA and IFC Codes and Standards December 12, 2022June 13, 2019 Storage occupancies have lots of space, many combustible items, and few people—all of which help define their fire protection requirements Sitting down to watch Mike and Frank of American Pickers, “travel the back roads of America looking…
#212 – Installing Fire Sprinklers in Commercial Buildings: Evolving Codes & Tragedies Drive Laws June 24, 2019 A look at shifting fire safety in a dynamic legislative landscape Thanks to progressive fire safety codes, most new commercial buildings today have fire sprinklers installed, with the United States recording the largest number of systems. Fire sprinklers…
#288 – Life Safety Rope: NFPA Requirements for Choosing the Technical-Use Rope, Part 1 October 29, 2019 Technical-use rope is a lifeline for firefighters and other rescue personnel, making selection and purchase key decision points Rope is among the most versatile pieces of equipment in rescue operations and fire protection. Life safety rope is carried…
#222 – Shutgun vs Quickstop Fire Sprinkler Tools: Which Shuts Off Heads Better? December 10, 2020July 8, 2019 Two leading fire sprinkler shutoff tools—Shutgun and Quickstop—compete to help firefighters and building owners prevent water damage While the odds of a fire sprinkler discharging for no reason are surprisingly low, research shows that tens of thousands…
#59 – Protect Fire Extinguishers with Outdoor Fire Extinguisher Cabinets November 23, 2022November 21, 2016 Easy identification, protection from the elements, and better code compliance are just a few benefits of an inexpensive extinguisher accessory Often, it’s necessary (or simply safer) to place a fire extinguisher outside. Customers, employees, residents, and first responders rely on…
Universal Joint Design The Cardan Universal Coupling uses cross bearings to connect the flanges at both ends, which can transmit torque that is not on the same axis. The diagonal compensation can reach more than 25°, and the spline connection can compensate for the axial displacement in a large distance. With high carrying capacity and…