BLADDER TANK MODEL VFT & FT
INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
(
foam concentrate inside the bladder
)
TECHNICAL
MANUAL
F_032216 16.1 | TM1.3.1.1/14032016/en
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
Telephone: 269-945-9501 Technical Services: 877-384-5464 Fax: 269-818-1680 Email: techsvcs@vikingcorp.com
VISIT THE VIKING WEBSITE FOR THE LATEST EDITION OF THIS TECHNICAL MANUAL
Page 13 of 35
SECTION 6 – INSTALLATION REQUIREMENTS
6.1 General Guidance
The installer and the user of the equipment supplied by Viking have the responsibility to ensure that the following points
are fullled:
1. The installation must be carried out by qualied and authorized personnel according to the applicable local regulations and
laws. Refer to appropriate Installation Standards (i.e. NFPA, VdS, LPCB, etc.) and / or FM Global Property Loss Prevention
Data Sheet 4-12, Foam-Water Sprinkler Systems.
2. Any safety measure to prevent accidents must be taken according to the applicable legislation.
3. The bladder tank and accessories have to be connected to the piping system in such a way that the connections are not
subject to stresses beyond the design limit.
4. The supplied equipment installed in systems where the maximum working pressure does not exceed the bladder tank’s design
pressure (ratio controller and accessories included).
5. The bladder tank must be connected to the system with approved methods (threads, anges, grooved ttings, etc…) whose
pressure rating is not lower than the system’s one;
6. The installation works must be accomplished avoiding damage to the equipment supplied by Viking. In case damage occurs,
a thorough investigation must be made in order to assess the potential consequences for the safety and the re protection
operation. Viking must be contacted.
7. Do not remove, alter, exchange or tamper with the original thermal relief valve supplied by Viking.
8. Stop valves, or any other device limiting the owrate capacity, shall not be placed between the tank and the pressure relief
devices (unless calculated in the system design).
9. Drains and vents must be positioned in such a way not to create threats or hazard to personnel. If the safety thermal relief
valve drain is piped, care must be taken to prevent that the capacity is not reduced.
10. All foam concentrate and foam solution pipe shall be designed and installed in accordance with the piping section of NFPA 11
and/or FM Global Property Loss Prevention Data Sheet 4-12, Foam-Water Sprinkler Systems.
11. Once the installation is completed, a nal inspection must be carried out to ensure that the installation drawings have
been properly fullled and that the quality of work is satisfactory. Non-conformities must be recorded and rectied prior to
commencing with the commissioning and start-up stages.
WARNING
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