ESFR PENDENT SPRINKLER
UL: SPECIFIC APPLICATION ESFR SPRINKLER
FM: STORAGE SPRINKLER
NFPA: SPECIAL SPRINKLER
VK514 (K28.0)
TECHNICAL BULLETIN
Page 6 of 6
Form No. F_102422 Rev 01 October 2022
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
TABLE 6:
COMMODITY SELECTION AND DESIGN CRITERIA OVERVIEW FOR
NFPA 13 SPECIAL SPRINKLER VK514
Description
50 Ft. (15,2 m) Ceilings
55 Ft. (16,76 m) Ceilings
Sprinkler Type
QR Storage**
QR Storage**
Temperature Rating
165 ºF (74 ºC) and 205 ºF (96 ºC)
165 ºF (74 ºC) and 205 ºF (96 ºC)
Response Type
QR
QR
Sprinkler Position
Pendent, frame arms aligned with pipe, deflectors
parallel to floor.
Pendent, frame arms aligned with pipe, deflectors
parallel to floor.
System Type
Wet Pipe System only
Wet Pipe System only
Maximum Area of Coverage*
100 ft
2
(9,29m
2
)
Refer to FM 2-0, Table 17
100 ft
2
(9,29m
2
)
Refer to FM 2-0, Table 17
Minimum Area of Coverage
64 ft
2
(5,9 m
2
)
Refer to FM 2-0, Table 17
64 ft
2
(5,9 m
2
)
Refer to FM 2-0, Table 17
Maximum Ceiling Slope
Up to 10°
Refer to FM 2-0, Section 2.2.1.6
Up to 10°
Refer to FM 2-0, Section 2.2.1.6
Maximum Spacing
10 ft. (3,0 m)
10 ft. (3,0 m)
Minimum Spacing
8 ft. (2,4 m)
8 ft. (2,4 m)
Deflector Distance from Walls
Refer to FM 2-0, Section 2.2.3.3
Refer to FM 2-0, Section 2.2.3.3
Deflector to Top of Storage
Minimum of 36 inches (914 mm)
Refer to FM 2-0 Section 2.2.2.1
and FM 8-9, Section 2.2.6
Minimum of 36 inches (914 mm)
Refer to FM 2-0 Section 2.2.2.1
and FM 8-9, Section 2.2.6
Ceiling Sprinkler Installation
Guidelines
As per FM 2-0 (DS 2-0), Installation Guidelines for
Automatic Sprinklers with the following exception:
Vertical distance from underside of the ceiling to the
centerline of the sprinkler’s thermal element - no more
than 13 inches (325 mm)
As per FM 2-0 (DS 2-0), Installation Guidelines for
Automatic Sprinklers with the following exception:
Vertical distance from underside of the ceiling to the
centerline of the sprinkler’s thermal element - no more
than 13 inches (325 mm)
Maximum Ceiling Height
50 ft. (15,2 m)
55 ft. (16,76 m)
Maximum Storage Height
45 ft. (13,5 m)
50 ft. (15,2 m)
Storage Arrangement
Solid-piled, palletized, shelf, bin-box, as well as single,
double, and multi row racks that qualify as open-frame
Solid-piled, palletized, shelf, bin-box, as well as single-
row and double-row racks that qualify as open-frame
Storage Aisles Between Racks
Minimum 6 ft (1,8 m) wide
Minimum 8 ft (2,4 m) wide
Commodity
Class 1-4 Cartoned unexpanded plastics
Class 1-4 Cartoned unexpanded plastics
Sprinkler System Design
QR Storage Sprinkler based upon 10 @ 40 psi (2.8
bar) design pressure @177 gpm (670 Lpm) with 9
sprinkler remote area (3x3) on 3 branchlines and 1
sprinkler on 1 branchline.
Exception: a sprinkler design of 9 (3x3) @ 40 psi (2.8
bar) design pressure @177 gpm (670 Lpm) when the
water supply can also provide a design of 4 (2x2) @ 80
psi (5.5 bar) design pressure @250 gpm (950 Lpm)
QR Storage Sprinkler based upon 9 @ 80 psi (5.5
bar) design pressure with 250 gpm (950 Lpm) with 9
sprinkler remote area (3x3) on 3 branchlines.
Obstruction Criteria
Refer to FM 2-0 Section 2.2
Refer to FM 2-0 Section 2.2
Hose Stream Allowance and
Water Supply Duration
250 gpm (950 Lpm) for 60 minutes
250 gpm (950 Lpm) for 60 minutes
* The maximum coverage area must not exceed 100 ft
2
(9,29 m
2
).
**
Approved storage sprinklers are also FM Approved for use as non-storage sprinklers.
