2015-00379 - sprinkler system - Laserfiche WebLink

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TFP213 Page 2 of 4 3 10 TEMPERATURE 2-9/16" DIA. RATING (65,0 mm) da kC C C — — — ,-, -7 2 m Orr ------ 11§1 1- Frame 0�� "' _ 2- Deflector gill ' / tE0 \ ' '�(It if 1 -( _1`��_ 1 iiII -( V I 1 3- Compression Screw 5 mil 4- Hook 4 3-3/4" 5- Strut I 5 (95,3 mm) II 6- Link Assembly M 7- Button 41. 6 .0'51 9/16" 8- Gasketed Spring Plate .00" a' . PP� (14,3 mm) 9- Ejection Spring NW 9 WRENCH ---....---11= NOMINAL 10- Deflector Nut a=yam FLATS MAKE-IN N 8 'ISO 7-Ri pipe thread can be provided on special 7 request. S\ 1" NPT" 1 t FIGURE 1 MODEL EC-25 EXTENDED COVERAGE UPRIGHT SPRINKLER Design • The minimum distance between • NFPA obstruction rules for Extended sprinklers is 8 feet(2,44 m). Coverage Sprinklers must be utilized. Criteria • The minimum flow requirement is System Type based on the design density applied Wet pipe, dry pipe, and preaction sys- UL AND C-UL LISTING CRITERIA over the actual coverage area per tems are acceptable. sprinkler. NFPA 13, Chapter 12 through 20- For example: when sprinkler spac- FM APPROVAL CRITERIA Density/Area Design in is 14ft. x 12 ft.-bin. (4,3 m x 3,8 The TYCO Model EC-25 Extended m)or 175 ft2 (16,3 m2), and the de- FM Loss Prevention Data Sheets 2-0,3-26,and 8-9 Coverage Upright Sprinklers (TY9128) sign density is 0.6 GPM/ft2 (24,4 are UL and C-UL Listed for installation mm/min), the sprinkler design flow The TYCO Model EC-25 Extend- in accordance with the extended cov- rate is 105 GPM (397 LPM) and the ed Coverage Upright Sprinklers erage upright spray sprinkler require- required design pressure is 17.4 psi (TY9128) are FM Approved to be uti- ments of NFPA 13 or other applicable (1,2 bar). lized in accordance with the following NFPA standards when used in con- guidelines. junction with the following guidelines: • The minimum clearance between the deflector and the top of storage is 36 Application • Suitable for the protection of extra inches (0,9 m). For clearances of 36 The Model EC-25 Extended Cover- hazard and high-piled storage oc- inches (0,9 m) up to 48 inches (1,21 age Upright Sprinklers are FM Ap- cupancies where area/density de- m), the minimum design pressure is proved ceiling-level Storage Sprin- sign criteria are provided. 22 psi (1,52 bar). For clearances of klers for storage occupancy hazards • Suitable for"unobstructed" or 48 inches (1,21 m) and greater, the and other similar high heat release "noncombustible obstructed" minimum design pressure is estab- type fires. When compared with other construction. lished by the minimum flow require- FM Approved Storage Sprinklers, the ment. However, the pressure can Model EC-25 Sprinkler provides low • The Model EC-25 Sprinklers hav- never be less than 7 psi(0,5 bar). hydraulic demand,the spacing advan- ing been specifically tested and to of extended coverage, and the listed for noncombustible obstruct- • Ordinary and intermediate tern- es g g ed construction are suitable for use perature rated Model EC-25 Sprin- FM obstruction benefits of an upright within trusses or bar joists hav- klers have been investigated for use sprinkler. ing noncombustible web members in high-piled storage occupancies Model EC-25 Sprinklers should be greater than 1 inch (25,4 mm) when at the hydraulic demand normal- used in conformance with applicable applying the 4 times obstruction cri- ly associated with high tempera- FM Global Property Loss Prevention teria rule defined under "Obstruc- ture sprinklers. As such, the Model Data Sheets. tions to Sprinkler Discharge Pattern EC-25 Sprinklers are listed storage Development". sprinklers having a K-factor great- Hydraulic Design er than 11.2 (161,4) and having or- To determine the hydraulic design for • The maximum coverage area per dinary and intermediate tempera- . the Model EC-25 Sprinkler refer to the sprinkler is 196 ft2(18,2 m2). ture ratings (that is, 165°F or 74°C applicable FM Global Property Loss • The maximum distance between and 214°F or 101°C). Consequent- Prevention Data Sheet. sprinklers is 15 feet (4,6 m) when ly, the Model EC-25 Sprinklers, in the coverage area does not exceed accordance with NFPA 13, may be System Type 144 ft2 (13,4 m2), and the maximum used in conjunction with the den- Wet-pipe systems only distance between sprinklers is 14 sity curves for high temperature feet(4,3 m)when the coverage area sprinklers. does not exceed 196 ft2(18,2 m2).