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FIREPEX

™

RESIDENTIAL FIRE SPRINKLER SYSTEM

Design and Installation Guide

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Summary of Contents for Firepex

Page 1: ...FIREPEX RESIDENTIAL FIRE SPRINKLER SYSTEM Design and Installation Guide...

Page 2: ...eeve Fittings 11 5 1 Fitting Scope 11 5 2 Fitting Assembly 14 5 3 Installation Considerations 14 5 4 EVERLOC Compression sleeve Tools 17 5 3 Fire Sprinklers 19 6 System Planning 21 6 1 Determine Local...

Page 3: ...delines are defined in the REHAU PEXa Limited Warranty as The most current and applicable versions of all the technical literature available on the REHAU North America website at www na rehau com reso...

Page 4: ...nkler Systems The NFPA 13D standard categorizes all fire sprinkler systems within two general types wet pipe systems and dry pipe systems Wet pipe systems are filled with water and installed in areas...

Page 5: ...l information is not intended to be used as final drawings or specifications and is provided only as an aid in designers develop ment of the final specification and is not intended as a substitute for...

Page 6: ...n connections and routing of the service line into the residence Determine the specifications for the sprinklers including water flow and operating pressure requirements and coverage area specificatio...

Page 7: ...are not certified for fire sprinkler systems The FIREPEX system is third party certified by NSF International www nsf org to the following standards UL 1821 Standard for Thermoplastic Sprinkler Pipe a...

Page 8: ...70 C per DIN 16892 Modulus of Elasticity 87 000 130 500 psi 68 F 43 500 58 000 psi 176 F 600 900 N mm2 20 C 300 400 N mm2 80 C Minimum 20 C per DIN 16892 Specification English SI Standard Tensile Stre...

Page 9: ...d pressure T P relief valves are safety mechanisms in case the system overheats mandatory in hot water distribution systems These valves act quickly to relieve excess temperature or pressure if either...

Page 10: ...1 1 2 in 13 0 330 2 in 17 0 432 4 10 Chemical Compatibility While RAUPEX pipes are resistant to many chemicals that are used in typical residential fire sprinkler applications there are some chemical...

Page 11: ...3 4 to 2 in manufactured in accordance with ASTM F876 For a detailed description of the REHAU system components refer to the REHAU Building Solutions Product Catalog 855 312 5 1 1 Fitting Features EVE...

Page 12: ...designed specifically for use with EVERLOC fittings and RAUPEX pipe EVERLOC compression sleeves have the following features Co extruded platinum colored PE coating Squarely cut ends that can be slid o...

Page 13: ...3 1 1 2 x 1 1 2 in C Male EVERLOC LF Brass Adapter 5 4 2 x 2 in C Female EVERLOC LF Brass Adapter 7 0 2 x 2 in C Male EVERLOC LF Brass Adapter 6 9 Adapters PEX to MPT FPT Fitting Description Equivale...

Page 14: ...y Expand the RAUPEX pipe twice ensuring the expander head is rotated 1 2 of one expander head segment between expansions using the EVERLOC compression sleeve tools Insert the EVERLOC compression sleev...

Page 15: ...nspection per prevailing local codes The requirement to wrap an EVERLOC joint can depend on many factors including location and the presence of other materials that contact or can come in contact with...

Page 16: ...owed to expand e g it is encased in concrete it may burst NOTICE Designers and installers must take precautions as per the guidelines defined in NFPA 13D to ensure that pipes do not freeze Frozen pipe...

Page 17: ...and the following safety symbols which are found on the EVERLOC compression sleeve tools Safety Alert Symbol To reduce the risk of injury follow the specified safety instructions Read and follow all s...

Page 18: ...tter Lubricant Cleaning brush Tool case black latches Product Instruction Manual Fig 5 19 EVERLOC XL power tool standard kit 5 4 3 EVERLOC XL Expander Tool 1 1 4 to 2 in In addition to the EVERLOC XL...

Page 19: ...empera ture around the sprinkler approaches its operating temperature the cover plate detaches and falls away Continued heating of the now exposed sprinkler causes the sprinkler s heat responsive elem...

Page 20: ...nklers are visible in the wall and do not have a cover plate During fire conditions continued heating of the exposed sprinkler causes the heat responsive element to disengage This allows water to flow...

Page 21: ...on standards and plumbing codes followed by the authority having jurisdiction In addition the local licensing requirements for the qualified sprinkler system installer must also be determined Fire spr...

Page 22: ...entering the residence is above 80 psi 6 bar a pressure reducing valve PRV is required to limit the pressure to a maximum of 80 psi 6 bar When using a PRV the designer must take into consideration th...

Page 23: ...d for the most hydraulically demanding point in the system for both one head activation and two head activation The most hydraulically demanding point in the system is usually the sprinkler most dista...

Page 24: ...rature does not exceed 120 F 49 C If the ambient temperature is expected to exceed this limitation the system must be properly protected Piping must be installed at least 24 in 61 cm from air return g...

Page 25: ...is the distance between the bottom of the joist and the bottom of the FIREPEX sprinkler fitting bracket S is the distance from the top of the threads of the fire sprinkler to the face of the drywall p...

Page 26: ...of the FIREPEX sprinkler fitting bracket S is the distance from the top of the threads of the fire sprinkler to the face of the deflector provided by the sprinkler manufacturer DW is the thickness of...

Page 27: ...7 Recessed pendent sprinkler mounting example 7 2 1 4 Horizontal Sidewall Sprinkler Mounting Positioning the FIREPEX sprinkler fitting for a horizontal sidewall sprinkler can be done using equation 2...

Page 28: ...in tool boxes Contact with oil or oily products such as gasoline paint thinner glues or solvents Exposure of polymer fittings and PEXa sleeves to soldering or any open flame Excessive or permanent ex...

Page 29: ...ists and other structural members care must be taken not to damage the pipe Protection is not required for installation in wood studs walls floor plates or joists if the following provisions are met T...

Page 30: ...Pipe support bend Fig 7 20 Talon drive hooks Fig 7 21 Locking clip 7 10 Supporting EVERLOC Fittings Supports and clamps shall not be placed directly on the EVERLOC fitting multi port tee or compressio...

Page 31: ...jury always wear close fitting protective eye wear with side protection Eye wear must be impact rated and marked as complying with ANSI Z87 1 Never use a torch open flame or heat gun on a pressurized...

Page 32: ...er and safe pressure test is performed on site All other trades must be notified that the pressure test will be conducted on the piping system 7 15 Testing System Flow The local Authority Having Juris...

Page 33: ...er wrench thread the sprinklers into the fitting New thread seal tape shall be applied to the sprinklers prior to installation 7 16 Maintaining the System The installer needs to communicate that the o...

Page 34: ...tions guarantees or warranties of any kind are made as to its accuracy suitability for particular applications or the results to be obtained therefrom Before using the user will determine suitability...

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