Viking Residential Fire Sprinkler 4.0K Black Horizontal Sidewall 155F | VK486

SKU
VK486BL155
Viking VK486 Quick Response White Horizontal Sidewall Fire Sprinkler activates at 155F (68C) to defend ordinary hazard residential occupancies against fire. This UL approved fire sprinkler features a 4.0K orifice and a 1/2" (12.7 mm) NPT connection.
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Part NumberConstructionConnectionOrifice
VK486WH155White Finish, Brass Frame, And Phosophor Bronze Deflector1/2" (12.7 mm) NPT4.0K
Temperature RatingMaximum Working PressureApprovals and ListingsAvailability
155F (68C)175 PSI (12.1 BAR)cULus, VdS, NYC, NSFIn Stock

Product Description

Viking VK486 Quick Response White Horizontal Sidewall Fire Sprinkler delivers powerful, affordable fire suppression in ordinary hazard residential occupancies such as homes, apartments, dormitories, and hotels. Using a heat-activated 3mm glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 155F (68C), supporting rescue and evacuation efforts by lowering ambient temperatures. Designed for residential applications, the 4.0K orifice makes efficient use of available water supplies in smaller sprinkler systems.

Viking's Freedom Residential Pendent Sprinklers are designed to be unobtrusive, fast-acting, and capable of providing coverage of up to 20 feet by 20 feet (6.1 m x 6.1 m). Designed for residential applications, the 4.0K orifice makes efficient use of a

The Viking Model VK486 has a 4.0 K-Factor and installs with 1/2" (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Quick Response Fire Sprinkler features a white finish, brass frame, stainless steel compression screw, phosphor bronze deflector, and a spring sealing assembly made with nickel alloy and PTFE tape.

This 155F (68C) temperature rating strikes a balance between a fire sprinkler that activates too soon, causing accidental discharge, and too late. 155F (68C) Quick Response Fire Sprinklers can be installed to wet and dry pipe fire sprinkler systems, and are preferred for use in one and two-family dwellings, apartments, duplexes, and boarding houses. The Viking Model VK486 is also a suitable choice for installation in many college dormitories, condominiums, and nursing homes.

With a maximum working pressure of 175 PSI (12.1 BAR), this horizontal sidewall sprinkler installs on a wall or the side of a beam where ceiling piping is not desirable and may be installed and used in accordance with NFPA 13, NFPA 13R, NFPA 13D and local fire code. Each Model VK486 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years.

This product is UL approved for use in fire protection systems when accepted by the authority having jurisdiction. In accordance with NFPA 13, a higher temperature rating may be required when installing a quick response fire sprinkler in or near heat sources, unventilated spaces, uncovered steam mains, or uninsulated rooftops.

Technical Documents

Click here to view the data sheet for the Viking VK486 Quick Response White Horizontal Sidewall Fire Sprinkler.

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