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Sprinkler 124 b
TABLE 1: AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES
Sprinkler Temperature
Classification
Ordinary
Intermediate
Sprinkler Finish: Brass
1
The sprinkler temperature rating is stamped on the deflector.
2
Based on NFPA-13. Other limits may apply, depending on fire loading, sprinkler location, and other requirements of the Authority Having
Jurisdiction. Refer to specific installation standards.
•
Thread size:
Base Part No. 12080: 1" NPT
Part No. 12200: 25 mm BSP
•
Nominal K-Factor: 25.2 U.S. (363,3 metric
††Metric K-factor measurement is shown in bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
•
Deflector Diameter: 1-3/4" (44,45 mm)
•
Overall Length: 3-3/16" (81 mm)
Covered by one or more of the following patents: US6,502,643; US6,868,917; AU722593; GB2336777
MATERIALS
Frame Casting: Brass UNS-C84400
Deflector: Bronze UNS-C51000
Seat (pip cap): Bronze UNS-C51000
Belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with Teflon Tape
Screw: Stainless Steel UNS-S31603
Trigger and Support: Stainless Steel UNS-S31600
Fusible Element Assembly: Beryllium Nickel, coated with black acrylic paint.
AVAILABLE FINISHES AND TEMPERATURE RATINGS: Refer to Table 1 above.
5. ORDERING INSTRUCTIONS
Order ESFR Pendent Sprinkler VK510 by first adding the appropriate suffix for the sprinkler finish and then the appropriate
suffix for the temperature rating to sprinkler base part number.
Finish Suffix: Brass = A
Temperature Suffix (°F/°C): 165°/74° = C, 205°/96° = E
For example, Sprinkler VK510 with 1" NPT threads, Brass finish, and 165 °F/74 °C temperature rating = Part No. 12080AC.
ACCESSORIES (Also refer to the "Sprinkler Accessories" section of the Viking data book.)
Sprinkler Wrenches:
•
Part No. 13635W/B (double-ended wrench - Use Side B. Side A is for use with K14.0 ESFR Pendent Sprinkler VK500)
Available since 2006.
•
Part No. 12143W/B (no longer available)
Sprinkler Cabinet: Part No. 01731A, 6-head capacity (available since 1971)
TECHNICAL DATA
Sprinkler Nominal
1
Temperature Rating
165 °F (74 °C)
205 °F (96 °C)
Footnotes
)
††
(Also refer to the current Viking price list.)
ESFR PENDENT SPRINKLER
SIN VK510 (K25.2)
Maximum Ambient
2
Ceiling Temperature
100 °F (38 °C)
150 °F (65 °C)
August 24, 2006
Frame Paint
Color
None
White
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