QUICK RESPONSE
CONCEALED PENDENT
SPRINKLERS
VK4651 (K4.2)
TECHNICAL DATA
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
Page 3 of 8
Form No. F_040320 21.12.02 Rev 21.3
TABLE 2: COVER PLATE ORDERING INFORMATION
Instructions:
(1) Select a Cover Plate Base Part Number
(2) Add the suffix for the desired Finish
(3) Add the suffix for the required Cover Plate Nominal Rating.
Example:
23190MC/W = 165 °F (74 °C) Temperature Rated 2-3/4” (70 mm) diameter Round Cover Plate with a Painted White finish.
1: Select a Cover Plate Base Part Number
3
2: Select a Finish
Thread-On Style
Push-On Style
Base Part
Number
Size
Inch (mm)
Type
Base Part
Number
Size
Inch (mm)
Type
Description
Suffix
5
23190
2-3/4 (70)
Round
23447
2-3/4 (70)
Round
Polished Chrome
F
23174
3-5/16 (84)
Round
23463
3-5/16 (84)
Round
Brushed Chrome
F-/B
23179
3-5/16 (84)
Square
23482
3-5/16 (84)
Square
Bright Brass
B
23193
4
2-3/4 (70)
Stainless
Steel Round
23455
2-3/4 (70)
Stainless
Steel Round
Antique Brass
B-/A
Brushed Brass
B-/B
23183
4
3-5/16 (84)
Stainless
Steel Round
23473
3-5/16 (84)
Stainless
Steel Round
Brushed Copper
E-/B
Painted White
M-/W
Painted Ivory
M-/I
Painted Black
M-/B
3: Temperature Rating Matrix
1,2
Cover Plate Nominal
Rating (Required)
Temperature
Classification
Sprinkler Nominal Rating
Sprinkler Maximum Ambient
Ceiling Temperature
2
Suffix
135 °F (57 °C)
Ordinary
155 °F (68 °C)
100 °F (38 °C)
A
165 °F (74 °C)
Intermediate
175 °F (79 °C)
150 °F (65 °C)
C
165 °F (74 °C)
Intermediate
200 °F (93 °C)
150 °F (65 °C)
C
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.
Part number shown is the base part number. For complete part number, refer to current Viking price list schedule.
4.
Stainless Steel versions are not available with any finishes or paint.
5.
Where a dash (-) is shown in the Finish suffix designation, insert the desired Temperature Rating suffix. See example above.
