MICROFAST
®
QUICK
RESPONSE FUSIBLE
ELEMENT PENDENT
SPRINKLER VK353 (K8.0)
TECHNICAL DATA
Page 3 of 6
Form No. F_071814 19.02.21 Rev 19.1
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: [email protected]
Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com.
Figure 2:
Wrench 13655WB for Recessed Pendent Sprinklers
Carefully slide the wrench sideways around
the protective cap, ensuring engagement with
the sprinkler wrench flats
Sprinkler wrench 13655WB**
for recessed pendent
sprinklers
** A 1/2” ratchet is required
(not available from Viking)
TABLE 1: AVAILABLE SPRINKLER TEMPERATURE RATINGS AND FINISHES
Sprinkler Temperature
Classification
Sprinkler Nominal
Temperature Rating
1
Maximum Ambient
Ceiling Temperature
2
Frame Paint
Color
Ordinary
165 °F (74 °C)
100 °F (38 °C)
None
Intermediate
205 °F (96 °C)
150 °F (65 °C)
White
High
280 °F (138 °C)
225 °F (107 °C)
Blue
Sprinkler Finishes:
Brass, Chrome, White Polyester
3
, Black Polyester
3
, and Black PTFE
3
Footnotes
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.
3
For automatic sprinklers, the coatings indicated are applied to the exposed exterior surfaces only. Note that the spring is exposed on sprinklers with
Polyester and PTFE coatings.