TECHNICAL DATA
MODEL VXD SINGLE-
INTERLOCKED PREACTION
SYSTEM WITH ELECTRIC
RELEASE
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: techsvcs@vikingcorp.com
Visit the Viking website for the latest edition of this technical data page www.vikinggroupinc.com
Page 2 of 13
Form No. F_051820 21.01.01 Rev 21.1
4. SYSTEM COMPONENTS
Item Description Item Description Item Description
A Deluge valve I Emergency release valve (normally closed)
1
Alarm connection point
(alarm device must be
purchased separately)
B Solenoid valve J Water supply pressure gauge
C Drain cup K Flow test valve (normally closed)
2
Drain connection point
(piping not provided)
D In-line check valve L Pressure Operated Relief Valve (P.O.R.V.)
E M Swing check valve
3
Prime supply connection point
(must be piped to upstream of
main water supply valve; piping
not provided)
F Y-strainer N
G Priming valve (normally open) O Alarm test valve (normally closed)
H Prime pressure gauge P Riser check valve (with drain trim)
NOTE: Piping shown for reference only.
Figure 1: System Components (4" Shown)
A
P
I
H
O
F
G
E
D
C
B
12
2
2
3
2
2
N
M
K
L
J
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