VK3522 QUICK RESPONSE
PENDENT SPRINKLER (K8.0)
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 6
Form No. F_021416 Rev 22.1 March 3, 2022
APPROVAL CHART
Viking Quick Response Pendent Sprinkler
VK3522 K8.0 (115 metric)
Sprinkler Base
Part Number
1,6
Thread Size
Listings and Approvals
2
NPT
BSPT
cULus
FM
Inch
mm
Approval Specification
Maximum WWP
Approval Specification
Maximum WWP
19921
1/2
--
A1, A2X, B3Y
175 PSI (12 bar)
A1, B2X, B3Y
175 PSI (12 bar)
19933
--
15
A1, A2X, B3Y
175 PSI (12 bar)
A1, B2X, B3Y
175 PSI (12 bar)
Additional Listings and Approvals
Maximum WWP 175 PSI (12 bar)
CE
7
LPCB
8
VdS
9
19921
1/2
--
C1, D2X, D3Y
A1, B2X, B3Y
A1
19933
--
15
C1, D2X, D3Y
A1, B2X, B3Y
A1
Approved Temperature Ratings
A
= 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C) and 286 °F (141 °C)
B
= 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C), and 200 °F (93 °C)
C
= 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C) and 286 °F (141 °C)
D
= 155 °F (68 °C), 175 °F (79 °C), and 200 °F (93 °C)
Approved Finishes
1
= Brass, Chrome, White Polyester
3,4
, Black Polyester
3,4
, and ENT
4,5
2
= Brass, Chrome, White Polyester
3,4
, and Black Polyester
3,4
3
= ENT
4,5
X
= Installed with Viking Recessed Escutcheons Models E-1, E-2, E-3, NP-1, NP-2, and NP-3, or Viking Standard Surface Mounted
Escutcheons
Y
= Installed with Viking Recessed Escutcheons Models E-1 and NP-1, or Viking Standard Surface Mounted Escutcheons
Footnotes
1
Base Part number is shown. For complete part number, refer to Viking’s current price schedule.
2
This table shows the listings and approvals available at the time of printing. Check with the manufacturer for any additional approvals.
3
Other colors are available upon request with the same Listings and Approvals as the standard colors.
4
cULus Listed as corrosion resistant.
5
FM Approved as corrosion resistant.
6
Sprinklers with a K-factor exceeding K5.6 (80.6 metric) with 1/2” NPT (15 mm BSPT) are listed and approved for retrofit only.
7
CE: Standard EN12259-1, Declaration of Performance DOP_XT1A.
8
LPCB Approved; reference no. 096m
9
VdS Approved; certificate no. G 422010
