QUICK RESPONSE
CONCEALED PENDENT
SPRINKLER VK4611 (K2.8)
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 6 of 8
Form No. F_061620 21.10.07 Rev 21.2
21/2”
(64 mm)
1/2”
(13 mm)
If the bottom of the cover is flush with the surface of
the ceiling when installed, the sprinkler adapter cup
will be recessed 1/2” (15 mm). See Figure 5.
Figure 4: Sprinkler Dimensions
3”
(76 mm)
21/4”
(57 mm)
1/2”NPT
or BSPT
Nominal pipe engagement
7/16” (11 mm)
Install the sprinkler so the finished surface of the ceiling lines up within the marked 1/2” (13 mm) range on the protective cap (A).
Figure 5: Sprinkler Installation Dimensions
2”
(50 mm)
21/2”
(64 mm)
Nominal pipe engagement
7/16” (11 mm)
Minimum
Maximum
A
A
21/4”
(57 mm)
21/4”
(57 mm)
Minimum required
opening in the ceiling
Minimum required
opening in the ceiling
