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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 data page www.vikinggroupinc.com
COMMODITY SELECTION AND DESIGN CRITERIA OVERVIEW FOR MODEL VK506 ESFR PENDENT SPRINKLERS
Storage Type
Sprinkler Type
Response Type
System Type
Temperature Rating(s) ºF (ºC)
Open Frame Single, Double, Multiple-
Row, or Portable Rack Storage of Class I-IV
and Group A or B Plastics
Solid Pile or Palletized Storage of Class I-IV and
Group A or B Plastics
Idle Pallet Storage
Rubber Tire Storage
Rolled Paper Storage (Refer to the standard.)
Flammable Liquid Storage (Refer to the standard.)
Aerosol Storage (Refer to the standard.)
Automotive Components in Portable Racks
(Control mode only, refer to the standard.)
IMPORTANT: Always refer to Bulletin Form No. F_091699 - Care and Handling of Sprinklers. Viking ESFR Pendent Sprinklers
are to be installed in accordance with the latest edition of Viking technical data, the latest standards of NFPA, FM Global,
VdS, LPCB, and any other Authorities Having Jurisdiction, and also with provisions of governmental codes, ordinances, and
standards whenever applicable.
Wrench flat
Use Side A for VK506
Figure 1: Sprinkler Wrench
Form No. F_081612
18.10.11
TECHNICAL DATA
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
NFPA
ESFR
ESFR
Wet Pipe system only
165 ºF (74 ºC) and 205 (96 ºC)
Refer to NFPA 13.
Refer to NFPA 13.
Refer to NFPA 13.
Refer to NFPA 13.
Refer to NFPA 13.
Refer to NFPA 30.
Refer to NFPA 30B
Refer to NFPA 13.
Protective
Sprinkler
Cap
Rev 18.2
TABLE 2
Dimensions are
approximate.
3-3/16"
(81 mm)
Figure 2: Sprinkler Dimensions
(Replaced design criteria tables; added P65 Warning.)
ESFR PENDENT
SPRINKLER VK506 (K22.4)
FM
Storage
QR
Wet Pipe system only
165 ºF (74 ºC) and 205 (96 ºC)
Refer to FM 2-0 and 8-9.
Refer to FM 2-0 and 8-9.
Refer to FM 2-0, 8-9, and 8-24.
Refer to FM 2-0 and 8-3.
Refer to FM 8-21.
Refer to FM 7-29
Refer to FM 7-31
N/A
1-9/16"
(40 mm)
1-5/8"
(41 mm)
1-3/4"
(45 mm)
Replaces Form No. F_081612 Rev 18.1
Page 5 of 5
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