Dry Pendent Sprinkler Head Testing

Globe fire sprinkler remains open for business and focused on the health and safety of our employees while continuing our commitment to our customers. We take great pride that globe solutions supply critical life safety applications and remain committed to supporting your construction needs during these challenging times. Nfpa 25 section 5 3 1 2 states a representative sample of sprinklers for testing shall consist of a minimum of not less than four sprinklers or 1 percent of the number of sprinklers per individual sprinkler sample whichever is greater.

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Nfpa 25 standard for the inspection testing and maintenance of water based systems.

Dry pendent sprinkler head testing.

What would be considered a sample. The standard way to sprinkle exposed building areas such as an open garage freezer storage or unheated spaces is to install a dry pipe sprinkler system. Ryan fireprotection will then submit the sample to a certified testing laboratory such as ul. Vk173 vk177 vk181 quick response ordinary hazard dry pendent sprinklers k8 0 vk282 vk286 vk290 quick response large orifice dry pendent fusible link sprinkler k8 0 vk544 vk545 vk546 standard response dry pendent elo sprinklers k11 2.

Dry sprinklers are designed for use in areas where the sprinkler may be subjected to freezing conditions. Dry sprinklers dry sprinkler order form. Per nfpa 25 after 10 years in service a sample of dry sprinkler heads are required to be tested by a recognized laboratory acceptable to the ahj for field service testing. The globe gl series dry type pendent sprinkler is designed for use in special applications such as freezing environments and conditions where sediment or foreign materials might accumulate in ordinary drop nipples.

For instance in a 3 story apartment. The globe gl series dry type pendent sprinkler utilizes a frangible glass ampule sprinkler. Dry pendent 10 year test dry pendent 10 year test jjmoore73 mechanical op 12 jun 13 20 11. The service for testing sprinkler heads includes removal of a sample of sprinkler heads by a ryan fireprotection professional.

These sprinkler heads need to be tested every 10 years. Dry sprinklers may be used in dry systems where the entire area being protected is subject to freezing and wet systems where a small portion of the area being protected is subject to freezing. Dry pendant pattern sprinkler heads those with a dry drop pipe section should be tested every five years or less unless stated otherwise by the manufacturer 5 or 20 heads of each batch of dry pendant patterned sprinklers installed on the site whichever is the greater should be tested. Despite their advantages be aware that dry pipe sprinklers have separate maintenance testing and installation requirements to ensure proper performance.

At the ampule s rated temperature the sprinkler opens releasing the. Model esfr 17 dry type pendent sprinklers early suppression fast response 16 8 k factor series ds 1 dry type sprinklers pendent upright and horizontal sidewall standard response standard coverage k factor 5 6k series ds 1 dry type sprinklers pendent upright and horizontal sidewall.