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Technical Data Discharge Sprinkler Coefficient Max.Workingg7psiO.48 Temperature Fusible Identification Thread K factor Response Pressure Rating Element Finish Approvals Number(SIN) size English Metric English Metric English Metric Color RA4454 5.6 Sp Quick 1/z NPT 175psi 12bar 212°F 100°C Green Bronze cULus Res onseListed* 'cULus Listing applies only for the installations and conditions indicated in the"Design Specifications"Section of this bulletin. Material Data (Refer to Fig. 1): Frame Deflector Load Screw us e F Screw Cup Sealing Washer Strut Lever Ejection Spring Nickel Alloy coated Element Brass Brass Brass Bronze with PTFE Adhesive Stainless Steel Stainless Steel Nickel Alloy Stainless Tape Steel When using 1 in. (DN25)or larger pipe, a hanger must be Sprinkler Components located at the truss nearest a sprig for purposes of restraint. If using 3/4 in.(DN19)piping,all sprigs over 12 in.(305 mm) 1. must be laterally braced using methods described in the es ro,s� DEFLECTOR NFPA standards. Where the CPVC must be offset up and over an obstruction and the pipe exceeds the allowed hori- zontal positioning requirements specified above as well as LEVER shown in Figs. 2 and 3, additional Model KFR-CCS Sprin- rCA klers are to be installed to protect the CPVC products.A min- LINK imum lateral distance of 18 in.(457 mm)must be maintained between the CPVC pipe and heat pumps, fan motors, and SEALING heat lamps. WASHER ING Concealed Space Area: 2�i5''" The area of the concealed space is not limited; however, for both Figs.2 and Fig.3 where CPVC pipe is being utilized, draft-curtains or full height walls must be provided at 1,000 ft2 (93 m2) areas.This draft curtain shall be at least 1/3 the depth of the concealed space or 8 in.(203 mm),whichever is greater, and be constructed using a material that will not allow heat to escape through or above the draft curtain. Concealed Space Size: Fig. 1 The Model KFR-CCS sprinkler is specifically listed for use 'Note: In order to be considered "noncombustible insu- in horizontal combustible concealed spaces with aslope not lation-filled, solidwood or composite wood joists" exceeding 2 in 12 with combustible wood truss, wood joist construction, the insulation (including insulation construction, or bar joist construction having a combustible provided with a combustible vapor barrier), must upper surface and where the depth of the space is less than completely fill the pockets between the joists to 36 in (914 mm)from deck to deck,from deck to ceiling, or the bottom of the joists. Insulation installed above with double wood joist construction with a maximum of 36 in. the elevation of Model KFR-CCS sprinklers in (914mm)between the top of the bottom joist and the bottom wood truss, solid wood joist or composite wood of the upper joist. NFPA 13 permits the use of the Model joist must be secured into place with metal wire KFR-CCS sprinkler (a) where the space is less than 12 in netting.The metal wire netting is intended to hold (305 mm) from deck to deck or deck to ceiling, and/or(b) the insulation in place should the insulation be- where a portion of the protected space exceeds 36 in.(900 come wet by the operation of Model KFR-CCS mm). Sprinklers in the event of a fire. System Type: In order to use the CPVC pipe and fittings, the horizontal Light hazard,wet pipe system. runs of pipe must be a maximum of 6 in.(152 mm)above the ceiling or noncombustible ceiling insulation,or 1/3 the depth Minimum Installation Distance(Spacing) Between of concealed space (as measured from the top surface of Sprinklers: the ceiling to the bottom of the deck above), whichever is 6 ft.(1.83 m) smaller(Refer to Figs.2&3). (Note:This minimum spacing does not apply to any ad- The CPVC piping can then be used to supply the Model ditional sprinklers that are required for protection of KFR-CCS Sprinklers, as well as the sprinklers installed be- CPVC piping that is offset over an obstruction) low the ceiling. Unless modified by this technical data sheet, all other guidelines provided by the CPVC pipe and fittings manufactures must be followed. 2.