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HYDRA® sprinkler hose and mounting system overall dimensions x

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HYDRA® sprinkler hose and mounting system overall dimensions x Powered By Docstoc
					Overall dimensions                              Overall dimensions                               Overall dimensions                                            Overall dimensions

HYDRA® sprinkler hose and mounting system:      HYDRA® sprinkler hose and mounting system:                                                                       Nominal      Minimum        Minimum distance H (min.)
overall dimensions                              overall dimensions                                                                                               diameter     bending radius
x = distance between centre of hose outlet /    x = distance between centre of hose outlet /                                                                     DN 20        70 mm             200 mm
suspended ceiling (see installation diagram)    suspended ceiling(see installation diagram)
                                                                                                                                                                 DN 25        85 mm             250 mm

 DN 20            x       R min.       R max.    DN 25           x        R min.       R max.                                                                  Where space is restricted, we recommend the use of a
 NL 1000       < 200        0            800     NL 1000      < 200         nicht empfohlen                                                                    special version with 90° elbow: the minimum distance H is
                 300        0            750                    300         nicht empfohlen                                                                    then just 150 mm.
                 400        0            700                    400        300            700                                                                                                                                                                                     Fitting an Assembly Instructions for Sprinklers
                 500        0            650                    500        200            650
                 600        0            600                    600        100            600
                 700        0            500                    700         0             500                                                                  3.7. Fitting the rosette
                                                                                                                                                               The last part of the installation is fitting the cover rosette
 NL 1200       < 200        0           1000     NL 1200      < 200          0            1000                                                                 to the underside of the suspended ceiling.
                 400        0            900                    400          0             900
                 500        0            850                    500          0             850
                 600        0            800                    600          0             800
                 700        0            700                    700          0             700                                                                 3.8. Hoses with 90° elbow
                 800        0            600                    800          0             600                                                                 When fitting hoses with 90° elbow and solid threaded nip-
                 900        0            500                    900          0             500                                                                 ple, make sure the HYDRA® sprinkler hose is under no tor-
                                                                                                                                                               sion. To position the sleeve vertically, screw in the hose in
 NL 1500       < 200        0           1200    NL 1500       < 200          0            1200                                                                 the threaded sleeve of the main supply pipe. Do not twist
                 300        0           1200                    300          0            1200   To achieve precise vertical and horizontal positioning,       the hose once it is installed.
                 400        0           1150                    400          0            1150   move the sleeve in the fixing collar of the holder. Make
                 500        0           1150                    500          0            1150   sure you comply with the manufacturer’s fitting guidelines
                 600        0           1100                    600          0            1100   for the sprinkler head.                                       In addition, the information given in our technical product
                 700        0           1100                    700          0            1100                                                                 descriptions should be applied.
                                                                                                 Tighten the two self-locking nuts (AF size 13) to ensure
                 800        0           1100                    800          0            1100
                                                                                                 the sprinkler hose is firmly clamped to the special holder.
                 900        0           1000                    900          0            1000
                                                                                                 A torque figure of 4 Nm is recommended. Make sure the
               1000         0            900                  1000           0             900
                                                                                                 hose is torsion-free when fitted.

 NL 2000       < 200        0           1750    NL 2000       < 200          0            1750
                 300        0           1750                    300          0            1750   The HYDRA® sprinkler hose should be suspended freely

                 400        0           1700                    400          0            1700    in the space between the concrete ceiling and suspended
                 500        0           1700                    500          0            1700   ceiling without coming into contact with the concrete                                                                          Witzenmann GmbH
                 600        0           1650                    600          0            1650   ceiling or any other equipment. Also, make sure the                                                                            Östliche Karl-Friedrich-Str. 134
                 700        0           1650                    700          0            1650   bending radius of the HYDRA® stainless steel hose is no                                                                        75175 Pforzheim
                 800        0           1600                    800          0            1600                                                                                                                                  Germany
                                                                                                 less than the specified minimum. Make sure you observe
                 900        0           1550                    900          0            1550                                                                                                                                  Phone +49 - (0) 72 31 - 5 81- 0
                                                                                                 the minimum distance H between concrete ceiling and
               1000         0           1500                  1000           0            1500                                                                                                                                  Fax +49 - (0) 72 31 - 5 81- 8 20
                                                                                                 suspended ceiling.
HYDRA® Sprinkler Mounting Systems for Suspended Ceilings        Applications/Approvals                                       Installation                                                    Installation                                                Installation                                                    Installation

1. GENERAL                                                      2. APPLICATIONS / APPROVALS                                                                                                  of installation, shape the hose into a spiral.              3.4. Fitting the special holder to the ceiling system           3.6. Fastening the sprinkler hose to the special holder /
                                                                                                                                                                                             If your installation or operating conditions deviate from   The HYDRA® special holder is fitted to the upper side of        positioning the sprinkler
Where standard rigid pipe systems are used, the task            HYDRA® Sprinkler Mounting Systems are recognised             HYDRA® sprinkler mounting systems are suitable for use          the specifications mentioned above, refer to the manufac-   the ceiling element and must be arranged so that the holes
of correctly positioning sprinklers in suspended ceilings       and approved for use in wet sprinkler systems. The           with tap water or drinking water at ambient temperature.        turer for technical advice.                                 cut in the ceiling element and the special holder line up       Feed the sprinkler already attached to the sprinkler hose
using conventional methods can be arduous and therefore         pressure rating of VDS-approved systems                      When installing and testing the sprinkler system for the                                                                    concentrically. The special holder is fastened to the sup-      through the fixing collar of the holder and adjust it to its
costly. Mounting the sprinklers accurately can take consid-     (VDS = German Association of Property Insurers) is           first time and during normal use, make sure concentra-                                                                      port structure of the suspended ceiling using the supplied      final mounting position. The possible mounting positions
erable time depending on the predetermined ceiling layout       PN 10 bar. The pressure rating of FM-approved systems        tions of corrosive constituents in the water, such as chlori-                                                               metal fixing components (lay-in systems, metal panel cei-
                                                                                                                                                                                             INSTALLATION DIAGRAM                                                                                                        depend on the horizontal and vertical distance from the
and ceiling system. The flexibility of HYDRA® stainless         (FM = Factory Mutual Research Corp.) is PN 175 psi           des, fluorides, etc., over 50 ppm (50 mg/l) cannot occur in                                                                 lings) or with fixing components from the range supplied        hose outlet on the supply pipe and are given in the table
steel hoses allows the installer to position the sprinkler      (approximately 12.3 bar). The relevant approvals are         the region of the sprinkler hoses. During installation, it is                                                               by the ceiling system manufacturer (cross connectors from       below. The hose must not have a sharp bend immediately
anywhere within a circular area determined by the length        only valid for the ceiling systems stated in our technical   important to prevent foreign material such as dirt, rust        Concrete ceiling
                                                                                                                                                                                                                                                         the Knauf system, spring clips from the OWA S9 system,          after the joint fittings.
of the hose, so there is absolutely no problem accurately       product descriptions. The company who installs the           particles or metal swarf (chips), entering into HYDRA®                                                                      etc.) so they are locked into each other and/or clamped
positioning the sprinkler in suspended ceilings of different    sprinkler system is responsible for ensuring that the        sprinkler hoses, due to the risk of corrosion. Make sure the                                                                together.
types.                                                          HYDRA® sprinkler mounting systems are only used in           hoses are protected from corrosion due to foreign material
Compared to the conventional installation methods used          conjunction with these ceiling systems.                      through suitable measures such as flushing out the piping,
in the past, where the installer has to fabricate appropriate                                                                                                                                                                                            In the case of lay-in systems, the supplied metal fixing
                                                                                                                             installing filters upstream of the sprinklers, etc.
bends in the piping, these hoses enable a considerable                 ®
                                                                HYDRA sprinkler mounting systems are recognised and                                                                             Suspended                                                plates are fitted to the stud bolts situated on both sides of
                                                                                                                             If your installation or operating conditions deviate from          ceiling
saving of cost and time in their mounting. The supplied         approved for use in the following ceiling systems:                                                                                                                                       the special holder and hooked or pushed into the holes of
                                                                                                                             the specifications mentioned above, refer to the manufac-
HYDRA® special holders enable easy alignment and                                                                                                                                                                                                         the support rails so they are locked together. Wing nuts
                                                                                                                             turer for technical advice.
mounting of the sprinkler in the ceiling element and            T-bar lay-in systems for mineral fibre panels                                                                                                                                            are then used to fasten the fixing components to the
precise vertical positioning of the sprinkler according                                                                                                                                      Please refer to the appropriate table for distance x (see   base plate of the special holder.
to the manufacturer’s specifications.                                                                                                                                                        back page).
                                                                T-bar lay-in systems for cassette-type                       3. INSTALLATION                                                                                                             The special holders for strip grid systems are simply
                                                                metal ceiling tiles                                                                                                                                                                      pressed into the support rails until the laterally projecting
                                                                                                                             3.1. Sealing the sprinkler                                      3.3. Preparing and installing the ceiling elements          metal plates engage and lock in.
                                                                                                                             The sprinkler must be sealed into the fixed sleeve of the       The ceiling element on
                                                                Plasterboard ceiling systems
                                                                                                                             sprinkler hose. The maximum permissible torque is 40            which you intend to                                         In the case of clean-room ceiling systems and department
                                                                                                                             Nm. After sealing, the sprinkler should be fitted with a cap    mount the sprinkler must                                    store ceiling systems, place the sprinkler hoses flat against
                                                                                                                             to protect it from damage. If you are using a two-piece         be provided with a hole at                                  the upper side of the support rails using the fixing plates
                                                                Strip grid ceiling systems
                                                                                                                             rosette, make sure you fit the spring washer that belongs       the installation position;                                  attached to the hose and then screw tight to the support
                                                                                                                             to the rosette.                                                 the diameter of the hole                                    rail with T-head bolts.
                                                                                                                                                                                             depends on the type of
                                                                Department store ceiling systems
                                                                                                                                                                                             sprinkler and rosette. Re-                                                                                                  Please refer to the appropriate table for distance x (see
                                                                                                                             3.2. Hose assembly                                              install the ceiling element                                 In the case of metal panel ceiling systems, firstly fit the
                                                                                                                                                                                                                                                                                                                         back page).
                                                                                                                             The hose is connected to the main supply pipe by threa-         with the hole in accordance                                 supplied fixing plates onto the stud bolts situated on both
                                                                Metal panel ceiling systems                                  ded joint. The outlets for the sprinkler hose should be                                                                     sides of the special holder and fasten with the two wing
                                                                                                                                                                                             with the instructions of the
                                                                                                                             positioned on the side of the supply pipe so that the hose      ceiling system manufactu-                                   nuts.
                                                                                                                             leaves the supply pipe parallel to the concrete ceiling (see    rer. In the case of lay-in                                  The holder is then simply hooked into the profile of the
                                                                Clean-room ceiling systems                                   diagram). We recommend a distance (B) of at least 100                                                                       metal panel and locked in.
                                                                                                                                                                                             systems, make sure the
                                                                                                                             mm between the concrete ceiling and the centre of the           ceiling panel mounting
                                                                                                                             outlet for the sprinkler hose; this distance should not be      rails (T-bars) are of the
                                                                                                                             less than 50 mm. Where space is restricted at the position      perforated type.

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