Fire sprinklers

The UL fire safety division's suppression team supports manufacturers, regulatory authorities, building owners and insurance companies with certification and customized testing services for a variety of suppression equipment, including products for residential and commercial sprinkler systems. UL tests and certifies sprinklers and nozzles considering the requirements in to the current editions of the following Standards:

• ANSI/UL 199, Standard for Safety of Automatic Sprinklers for Fire-Protection Service
• ANSI/UL 1767, Standard for Safety of Early-Suppression Fast-Response Sprinklers
• ANSI/UL 1626, Standard for Safety of Residential Sprinklers for Fire-Protection Service
• ANSI/UL 2351, Standard for Spray Nozzles for Fire-Protection Service
• NFPA 15, Standard for Water Spray Fixed Systems for Fire-Protection Service
• NFPA 13, Standard for the Installation of Sprinkler Systems
• NFPA 13D, Standard for Installation of Sprinklers system and One- and Two-Family Dwellings and Manufactured Homes
• NFPA 13R, Standard for Installation of Sprinkler Systems in Residential Occupancies Up To and Including Four Stories in Height
• NFPA 25, Standard for the Inspection, Testing and Maintenance of a Water-Based Fire Protection System
• EN 12259-1, Requirements and Test Methods for Sprinklers

The tools you need to demonstrate sprinkler compliance

UL has been providing testing and certification of sprinklers for more than 100 years. We assist in the development of custom fire safety solutions, such as:

• Fire testing
• Water distribution testing
• Corrosion and exposure testing
• Operation and sensitivity testing
• Physical strength and leakage testing
• Field sprinkler testing
• State-of-the art large-scale fire testing facility for warehouse scale sprinkler system evaluation (dry and wet systems, anti-freeze systems)
• Actual Delivered Density (ADD) testing for screening new sprinkler performance
• 10 MW calorimeter for commodity fire hazard determination and project scoping
• PDPA and PIV measurements for sprinkler spray drop size and velocity
• Fire safety and hazards training

The UL advantage

UL testing and certification services offer many advantages to both manufacturers and users of fire suppression equipment, including product listing in the appropriate UL product directory. UL directories contain a list of companies that have demonstrated compliance with UL requirements and applicable standards and are authorized to use the UL Mark. The directories are an invaluable resource used by thousands of regulatory authorities, building owners and insurance companies.

UL helps reduce time-to-market by offering efficient and flexible services from the industry leader.

UL's comprehensive, state-of-the-art testing facilities and highly experienced technical staff with extensive code knowledge are just some of the reasons why the UL Mark is immediately recognized and respected by fire-safety professionals around the world.