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Plans (56) -4 , NTRAL G B 10 -96 Sprinkler GB _. ,......._ _ .., ,. Upright, Pendent and Recessed �1..,.. Pendent &, /999 =679 355 , Glass Bulb Automatic Sprinkler Manufactured by: Central Sprinkler Company - 451 North Cannon Avenue, Lansdale, Pennsylvania 19446 ,_ Product Technical Descr Data IC_� The Central Model GB Upright and Model: GB .' Pendent and Recessed Pendent Style: Upright, Pendent or Recessed { 4 4 ', g . Automatic Sprinklers are standard Pendent (adjustable) ! spray sprinklers. They incorporate the Escutcheon: Model GB Y2" Recessed ! Note: For the recessed version, only the latest in heat - responsive, glass bulb Model GB 1/2" Recessed technology, which results in a much Escutcheon assembly may be smaller more attractive sprinkler than . used. Substitution of other _- those manufactured with a more • - <`� "recessed" escutcheons may " 11 traditional design approach. The impair the operating sensitivity and operating mechanism consists of a distribution pattern and void liquid - filled 5 mm diameter frangible manufacturer's warranty. . capsule that is only 1.6 cm in length. Orifice Size: 1/2" (12.7 mm) x - The Model GB Automatic Sprinklers K- Factor: 5.6 (80.08) nominal t 47 '_: are intended for installation in Thread Size: '/2" (12.7 mm) N.P.T. (```: accordance with current NFPA 13 Temp. Rating & Glass Bulb Color: << - w,,, > :, Standards. They are available in 135 °F /57 °C Orange ; "4 z'r --�\ orifice size and a variety of 155 °F /68 °C Red , 175 °F /79 °C Yellow :" temperature ratings, finishes and , 4 .0 .4 i decorative coatings. 200 °F /93 °C Green " '266 °F /141 °C Blue s {" The Model GB Recessed Glass Bulb •360 °F /182 °C Purple (360 °F not F.M. - Automatic Sprinkler incorporates a Approved) :r a ' significant cost saving feature; a 2- • Not . FM or MEA Approved as recessed K_ piece special escutcheon assembly p endent that provides for W of field adjustment Approvals: UL, U.L.C, F.M., MEA (466 -92 -3) Meets: MIL - STD -910C, MIL - STD - 167 -1, and �-_,_._ . __ - resulting in an easily accomplished � _�. - - tight fit against the ceiling. MIL - STD -810 -C shock, vibration, and , V salt fog tests for maritime 1 . applications. 1 /2 „ Orifice Operation: The glass bulb capsule Maximum Working Pressure: 175 p.s.i. operating mechanism contains a heat Factory Hydro Test: 100% at 500 p.s.i. sensitive liquid that expands upon Standard Finishes: application of heat. At the rated Sprinkler: brass or chrome plated , Aut omat i c temperature, the frangible capsule Escutcheon: brass or chrome plated ruptures thereby releasing the orifice Corrosion - Resistant Coatings (U.L. Only): iki e r seal. The sprinkler then discharges white and black painted , water in a pre designed spray pattern Highest Allowable Ambient Temperature for Sprinklers: 100 °F /38 °C of Spr to control or extinguish the fire. St o _ Adjustable Range Below Ceiling: 3 /4" to 1 (19 to 34.9 mm) Length: 2" (50.8 mm) For specific listing requirements, see the appropriate Width: 1" (25.4 mm) (frame arms) information contained in this brochure. Weight: 2.0 oz. (56.7 grams) Pendent 2.5 oz. (70.9 grams) Upright No. 3.6.0 3.5 oz. (99 grams) Recessed Pendent • Figure 1 Figure 2 Model GB Upright Sprinkler Model GB Pendent Sprinkler 1 1 1 3/8 Diameter 1 1 1 • ••����W. FACE OF i ) • / 11 REDUCING COUPLING 1 _ ill • 1 11/16' Ref. 2' c 2° 1-* - ---1 3/16° Diameter - • Figure 3 • Model GB Recessed Pendent Sprinkler , 1 , 1 , 1 , 1 , 1 1 2' Minimum Diameter ; 1 2 1/4• Maximum Diameter , 1 / FACE OF REDUCING / COUPLING / SUPPORT CUP i 1 1 1 • Model GB 112• Recessed 1 , 1 Li I ` Escutcheon \ 1 1 l 1' MAX. 1 ` I3/8• MIN. 1 • ■ A l 11 i I I I 3/32' FINISHED CEILING LINE I 1 3/8' MAX. 3/4' MIN. / \ / .. 1 13/16 2 7/8' Diameter - 2 Combination Wrench (Part #1106) b. D esign D ata (for upright sprinklers) Design Requirements — Standard Applications The Model GB Recessed Automatic Sprinklers are intended for area coverages, - • -. flow and pressure requirements as specified in current NFPA standards. When installed in the recessed position, the recessed cup escutcheon and sprinkler are listed together as a single unit and must be so utilized. - - Installation All Central Model GB Upright, Step 2. The face of the sprinkler Pendent and Recessed Pendent fitting should be installed a nominal GB Wrench Sprinkler (Part #1099 Automatic Sprinklers must be 3 /8' to 1" behind the finished ceiling p ( #1099) (for pendent and recessed pendent sprinklers) installed according to current NFPA line, as shown in the installation 13 Standards. Deviations from these Diagram on page 2. Adjustments requirements and standards or any may be made via the push -on alteration to the sprinkler itself will escutcheon plate to compensate for { void any warranty made by Central variations in the fittings. Sprinkler Company. In addition, Do not use the push -on escutcheon . 4 installation must also meet local plate to hold the unit in position. The !; government provisions, codes, and sprinkler will function properly only - k' - ' standards as applicable. when the system piping is anchored . • E The system piping must be properly to the building structure. Otherwise, - -: sized to insure the minimum required reaction force from system initiation flow rate at the sprinkler. Check for could alter the sprinkler alignment r. ° the proper model, style, orifice size, and disrupt the spray pattern. and temperature rating prior to : ._ installation. Install sprinklers after the Step 3. Use only a non - hardening piping is in place to avoid mechanical pipe joint compound or Teflon* tape. damage; replace any damaged units. Apply to the male threads only. Wet pipe systems must be protected Step 5. To install the escutcheon from freezing. Step 4. Hand tighten the sprinkler plate, align it with and press it over Upon completion of the installation, into the fitting. For upright sprinklers, the sprinkler body until the outer edge the system must be tested per use a Central Sprinkler Combination of the escutcheon meets the recognized standards. Wrench, for pendent and recessed mounting surface. In the event of a thread leak, pendent sprinklers use a Central remove the unit, apply new pipe joint Sprinkler Universal Wrench, to tighten_ Caution: Special care must be taken compound or tape, and reinstall. the unit into the fitting. A leak -tight when installing pendent sprinklers joint requires only 7 to 14 ft. -lbs. of with a CPVC system. Sprinklers Installation Sequence torque; a tangential force of 14 to 28 must be installed after the CPVC lbs. delivered through a 6" handle will manufacturer's recommended setting Step 1. The unit must be installed in deliver adequate torque. Torque time for the primer and cement to the upright position for upright style levels over 21 ft. -Ibs. may distort the ensure that neither accumulate within sprinklers, and in the pendent orifice seal, resulting in leakage. the sprinkler. - • position for pendent style sprinklers. Special care must be taken when The recessed pendent must be installing with a copper system. installed with the deflector not less - Sprinklers must be installed only after • than 3 /d' nor more than 1%" below the the inside of the sprinkler nipple and ( , ceiling. associated fittings have been wire brushed to remove any flux. Residual flux can cause corrosion and in extreme cases can impair proper 'Teflon is a trademark of the DuPont Corp. sprinkler operation. 3 11 Maintenanc Care & e the original configuration; additional • Ordering sprinklers must be installed to maintain Do not the protection attempt to level. Mill � Information replace sprinklers without first removing the fire Sprinklers must be handled protection system from service. Be Ordering Information: When carefully. must not be certain to secure permission from all y They placing an order, indicate the full transported or stored where ambient Authorities Having Jurisdiction and product name. Please specify the temperature may exceed 100 °F /38 °C. notify all personnel who may be quantity, model, style, orifice size, For best results, store them in a dry, affected during system shutdown. A temperature rating, type of finish or cool location iri the original shipping fire watch during maintenance coating, and sprinkler wrench. package. periods is a recommended Do not install sprinklers that have precaution. Availability and Service: Central been dropped or visibly damaged. To remove the system from service sprinklers, valves, accessories, and mode, first refer to the system Sprinklers must never be painted, other products are available coated, plated, or altered in any other operating guide and valve instruction. throughout the U.S. and Canada, and way from manufactured condition or Drain water and relieve pressure in internationally, through a network of they may not function properly. Any the pipes. Remove the existing unit Central Sprinkler distribution centers. and install the replacement, using sprinklers altered in such manner You may write directly to Central only the sprinkler wrench. Be certain must be replaced. Sprinkler Company, or call (215) 362 - The owner is responsible for the to match model, style, orifice, and 0700 for the distributor nearest you. proper operating condition of all fire temperature rating. protection devices and accessories. A fire protection system that has Patents: Patents are pending. The NFPA Standard 25 entitled, been shut off after an activation "Inspection, Testing and Maintenance should be returned to servic Conversion Table: of Water -Based Fire Protection immediately. Inspect the entir 1 inch = 25.400 mm Systems", contains guidelines and system for damage and replace or 1 foot = 0.3048 M minimum maintenance requirements. repair as necessary. Sprinklers that 1 pound = 0.4536 kg Furthermore, the local Authority did not operate but were subjected t 1 foot pound = 1.36 Nm corrosive elements of combustion or Having Jurisdiction may have 1 psi = 6.895 kpa additional regulations and excessive temperatures sho b e = 0.0689 bar requirements for maintenance, inspected, and replaced if need be. = 0.0703 kg/cm2 testing, and inspection that must be Th Authority Having Jurisdictio will 1 U.S. gallon = 3.785 dm3 obeyed. detail minimum replacement = 3.785 liters It is recommended that sprinkler requirements and regulations. systems be inspected regularly by a Conversions are approximate. • qualified inspection service. Length Guarantee: Central Sprinkler of time between such inspections can Company will repair and /or replace vary due to accessibility, ambient any products found to be defective in atmosphere, water supply, and site material or workmanship within a activity. period of one year from the date of Do not attempt to reassemble or shipment. Please refer to the current otherwise reuse a sprinkler that has Price List for further details of the operated. Replace any sprinkler warranty. exhibiting corrosion or damage; always use new sprinklers of the same type and temperature rating as replacements. IIMIlk Because the discharge pattern is critical to protection of life and property, nothing should be hung or attached to the sprinkler unit that CENTRAL would disrupt the pattern. Such obstructions must be removed. In the event that construction has altered Central Sprinkler Company (.. 451 N. Cannon Avenue, Lansdale, PA 19446 ©1996 Central Sprinkler Company Phone (215) 362 -0700 Printed in U.S.A. FAX (215) 362 -5385 GB.5 •