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Installation Data Model N25 ESFR Sprinkler Specification <br /> "K" Factor Maximum Sprinklers shall be Early Suppression Fast Response <br /> Sprinkler Thread Working Finish (ESFR) pendent suppression mode sprinklers specifically <br /> Type Size US Metric Pressure tested and [FM Approved]for commodity storage applica- <br /> Pendent 1"NPT tions. Sprinkler frame and deflector to be of bronze con- <br /> Only (R1) 25.2 362 175 psi(12,1 bar) Bronze struction. Fusible link assembly shall utilize the strut and <br /> lever principle of operation with approved fast response <br /> Maintenance black-painted or white-painted beryllium-nickel thermal <br /> The Model N25 ESFR Sprinkler should be inspected and element. Water seal shall consist of a Teflon-coated Bell- <br /> the sprinkler system maintained in accordance with NFPA ville spring washer and brass cap assembly containing no <br /> 25. Do not clean sprinkler with soap and water, ammo- plastic parts. ESFR sprinklers shall have a nominal K-factor <br /> nia or any other cleaning fluid. Remove any sprinkler that of 25.2 with 1" NPT threaded end connections. Sprinkler <br /> has been painted(other than factory applied)or damaged temperature rating shall be [Ordinary 165°F(74°C)] [Inter- <br /> in any way. A stock of spare sprinklers should be main- mediate 212°F(100°C)]. <br /> tained to allow quick replacement of damaged or operated <br /> sprinklers. Prior to installation, sprinklers should be main- <br /> tained in the original cartons and packaging until used, to Link Assembly <br /> minimize the potential for damage to sprinklers that would Frame Arm <br /> cause improper operation or non-operation. <br /> Once operated,automatic sprinklers cannot be reassem- . <br /> bled and reused. New sprinklers of the same size, type 1. "r' # <br /> and temperature rating must be installed. A cabinet of re- <br /> placement sprinklers should be provided for this purpose. i I <br /> �-_ <br /> ¢ Model N wrench 44 <br /> _. ,333"': — <br /> Fig.3-Model N Wrench <br /> I I — i <br /> Use only the Model N sprinkler wrench for removal and <br /> _=_-_---- __ installation. Any other type of wrench may damage the <br /> ---- - _ sprinkler. <br /> 185. ``/"v' ' ©os7i°I 1 Note: When handling sprinklers, hold sprinklers only on <br /> -_- — frame arms and do not apply any force on the link as- <br /> o �® 1 sembly, Sprinklers should be tightened between 22 - 30 <br /> f °® 8° i 3! 3J` v' <br /> " ' ft-lbs(29.8-40.7 Nm)torque. Sprinklers not tightened to <br /> a�°� / recommended torque may cause leakage or impairment <br /> of the sprinkler. Damage sprinklers must be replaced im- <br /> ,R \, mediately. <br /> <'u I Ordering Information <br /> Specify. <br /> t 1 Hi HI ;1 - t 1. Temperature rating <br /> 2. Thread type 1" NPT or ISO 7-R1 <br /> Fig. 2 <br /> The equipment presented in this bulletin is to be installed in accordance with the latest published Standards of the National Fire Protection Association,Factory <br /> Mutual Research Corporation,or other similar organizations and also with the provisions of governmental codes or ordinances whenever applicable. <br /> Products manufactured and distributed by Reliable have been protecting life and property for over 90 years,and are installed and serviced by the most highly <br /> qualified and reputable sprinkler contractors located throughout the United States,Canada and foreign countries. <br /> Manufactured by <br /> The Reliable Automatic Sprinkler Co., Inc. H Recycled <br /> Reliabid (800)431-1588(800)8486051 Sales Offices %IV Paper <br /> Sales Fax <br /> (914)829-2042 Corporate Offices Revision lines indicate updated or new data. <br /> www.reliablesprinkler.com Internet Address EG.Printed in U.S.A.10/13 P/N 9999970454 <br />