Does FM Approval of the Viking K-14.0 ESFR Upright VK520 Sprinkler (Model A-4) meet requirements of NFPA?
Yes. NFPA Installation Standards require equipment and materials used on fire protection sprinkler systems to be “listed”. Paragraph 1-4.1 of NFPA 13 (1999 edition) defines “Listed” as “Equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing states that either the equipment, material, or service meets appropriate designated standards or has been tested and found suitable for a specified purpose.” The fire protection industry generally recognizes Factory Mutual (FM) to be an organization that meets the requirements of paragraph 1-4.1 of NFPA 13 (1999 edition). The Factory Mutual Research Approval mark symbolizes that an independent third party, with a reputation for excellence and integrity, has verified that the item
