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UL 199-2020 pdf free download
UL 199-2020 pdf free download.Automatic Sprinklers for Fire-Protection Service.
5.30 RESPONSE TIME INDEX (RTI) — A measure of the thermal sensitivity of the sprinkler’s heat responsive element.
5.31 SIDEWALL SPRAY SPRINKLER — A sprinkler intended for installation on or near the wall and near the ceiling, and designed to discharge most of the water away from the nearby wall with a small portion of the discharge directed at the wall behind the sprinkler.
5.32 SPECIFIC APPLICATION SPRINKLERS — A sprinkler intended for a limited end use such as for protecting windows, combustible concealed spaces or attics.
5.33 SPRAY SPRINKLER (STANDARD) — A sprinkler intended for installation in either the upright or pendent position respectively, designed to distribute water downward in an umbrella-shaped pattern. The discharge from a spray sprinkler having a nominal 5.6 (80) factor covers a circle 16 feet (4.88 m) in diameter, 4 feet (1.22 m) below the sprinkler, when the sprinkler is discharging water at the rate of 15 gallons per minute (57 Umin). See 10 Pan Distribution Test, 54.3.
5.34 STANDARD FIRE TEST COMMODITY – CARTONED GROUP A PLASTICS (UNEXPANDED) – Single wall corrugated cardboard cartons measuring a nominal 21 by 21 by 20.5 inches high (0.53 by 0.53 by 0.52 m) containing 125 crystalline polystyrene cups in separate compartments within the carton. Single wall corrugated cardboard sheets are used to separate the five layers of cups and interlocking single wall corrugated cardboard vertical dividers are used to separate the 25 cups in each layer, Eight of the cartons are arranged in a 2 x 2 x 2 array with the open end of the cups facing down and placed on a nominal 42 by 42 by5 inches high (1.1 by 1.1 by 0.13 m)two-way hardwood pallet.
5.35 STANDARD FIRE TEST COMMODITY – CLASS II Double tn-wall corrugated cardboard cartons with five-sided steel (open bottom) stiffeners inserted for stability. The cartons are to comply with the requirements for Class 2, Style E, AAA” fluting as specified in the Federal Specification for Boxes, Fiberboard. Corrugated. Tn-Wall, PPP-B-640D. The two cartons have a combined nominal thickness of 1 inch (254 mm). The a nominal measurements for the outside carton are 42 by 42 by 42 inches (1.1 by 1.1 by 1.1 m) and the nominal measurements for the inside carton are 41 by 41 by 41 inches (1.0 by 1.0 by 1.0 m). The cartons are to be placed on a nominal 42 by 42 by 5 inches high (1.1 by 1.1 by 0,13 m) two-way hardwood pallet.
5.36 STORAGE SPRINKLER — See Control Mode Density Area (CMDA) Storage Sprinkler for Standard
Coverage Areas (See 5.8), Control Mode Specific Application (CMSA) Storage Sprinkler (5.9), Early-
Suppression Fast-Response (ESFR) Sprinkler (J) and Extended Coverage Control Mode Density Area
(CMDA) Storage Sprinkler
5.37 UPRIGHT SPRINKLER — A sprinkler intended to be installed so that its deflector is located above the orifice and the water flows upward against the deflector.UL 199-2020 pdf free download.
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