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Spray Noz zle 12
NPT Thread Size
Base
Iden ti fi ca tion
1
Part No.
No.
Inches
01320B
VK790
01321B
VK791
01322B
VK792
01323B
VK793
01324B
VK794
01325B
VK795
01326B
VK796
1
Iden ti fi ca tion num bers pro vided in ac cor dance with the 1999 edi tion of NFPA 13, Sec tion 3-2.2.
oth er wise ob struct the dis charge
pat tern. All ob struc tions must be im -
me di ately re moved or, if nec es sary,
ad di tional noz zles in stalled.
D. When re plac ing ex ist ing noz zles, the
sys tem must be re moved from ser -
vice. Re fer to the ap pro pri ate sys tem
Re places page 11-12, dated Jan u ary, 1987
(added Sprin kler Identification Num bers).
TECH NI CAL DATA
Or i fice Size
mm
Inches
mm
1/2
15
1/4
6
1/2
15
5/16
8
1/2
15
3/8
10
1/2
15
7/16
11
1/2
15
1/2
13
3/4
20
5/8
16
3/4
20
3/4
19
de scrip tion and/or valve in struc -
tions. Prior to re mov ing the sys tem
from ser vice, no tify all Au thor ities
Having Jurisdiction. Con sid er ation
should be given to em ploy ment of a
fire pa trol in the af fected area.
Nom i nal
Height
K-Factor
U.S.
met ric
Inches
mm
1.5
2,1
1-3/4
44
2.1
3,0
1-3/4
44
3.0
4,3
1-3/4
44
4.3
6,2
1-3/4
44
5.8
8,4
1-15/16
49
6.9
9,9
2-1/16
52
7.7
11,1
2-3/16
56
Ta ble 1
November 1, 2000
WIN DOW SPRIN KLERS
Hex Wrench
List ings and Ap provals
Boss Size
Inches
mm
UL
ULC
1
25
Yes
Yes
1
25
Yes
Yes
1
25
Yes
Yes
1
25
Yes
Yes
1-1/4
32
Yes
Yes
1-1/4
32
Yes
Yes
1-1/4
32
Yes
Yes
1. Re move the sys tem from ser vice,
drain all wa ter, and re lieve all
pres sure on the pip ing.
2. Re move the old noz zle and in stall
the new unit. Care must be taken
to re place the noz zle with a new
one that is the proper model with
the cor rect or i fice size.
3. Place the sys tem back in ser vice
and se cure all valves.
Form No. F_051800
FM
NYC
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
–
Yes
–
Yes
–
Yes
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