Viking M Technical Data page 4

Sprin kler 71 d
Thread Size
De flec tor Style
N.P.T.
Pendent 3/4
Maximum Sprinkler Spacing
4
Length x Width
16' Wide x 16' Throw (4,9 m x 4,9 m)
18' Wide x 18' Throw (5,5 m x 5,5 m)
20' Wide x 20' Throw (6,1 m x 6,1 m)
Ap proved Tem per a tures
A - 135 °F (57 °C), 155 °F (68 °C), and
175 °F (79 °C)
B - 135 °F (57 °C)
C - 135 °F (57 °C) and 175 °F (79 °C)
D - 155 °F (68 °C)
E - 175 °F (79 °C)
1
Met ric K-Factor shown is for use when pres sure is mea sured in kPa. When pres sure is mea sured in BAR, mul ti ply the met ric K-Factor
shown by 10.0.
2
Part num ber shown is the base part num ber. For com plete part num ber, re fer to cur rent Vi king Price List.
3
This chart shows list ings and ap prov als avail able at time of print ing. Other ap prov als are in pro cess. Check with the man u fac turer for
ad di tional ap prov als.
4
To de ter mine "Min i mum Wa ter Sup ply Re quire ment" for ar eas of cov er age where length and width of ac tual sprin kler spac ing are not
equal, se lect the "Max i mum Sprin kler Spacing" from the chart that is equal to or greater than the larger of the ac tual spac ing (length or
width) di men sions used. Ex am ple: When us ing 15' - 0" x 17' - 0" ac tual sprin kler spac ing, pro vide the "Min i mum Wa ter Sup ply Re quire-
ment" listed in the chart for 18'-0" x 18'-0" spac ing. For ar eas of cov er age smaller than shown, use the "Min i mum Wa ter Sup ply Re quire-
ment" for the next larger area listed. The dis tance from sprin klers to walls shall not ex ceed one-half the "Max i mum Sprin kler Spacing"
listed for the "Min i mum Wa ter Supply Re quire ment" used.
5
List ing is lim ited to Light-Hazard oc cu pan cies with smooth, flat, hor i zon tal ceil ings.
6
Ac cep tance by City of New York De part ment of Build ings is pend ing.
7
This sprin kler is also listed for use at 20 ft. x 20 ft. (6,1 m x 6,1 m) spac ing, with other tem per a ture rat ing and es cutch eon com bi na tions, as
a stan dard re sponse sprin kler. Re fer to the Model M ECLH-ELO tech ni cal data page.
8 ®
The Microfast Model F-1 Ad just able Es cutch eon is con sid ered a sur face-mounted es cutch eon be cause it does not al low the fus ible
el e ment of the sprin kler to be re cessed be hind the face of the wall or ceil ing.
Re places sprin kler page 71 a-c, dated May 21, 1998
(added 155 °F (68 °C) Black Poly es ter fin ish op tion).
TECH NI CAL DATA
Nominal Orifice
B.S.P. Inch mm
20 5/8 16
Ap proval Chart
Model M Quick Re sponse Ex tended Cov er age
Light Haz ard Ex tra-Large Orifice Sprin klers
Maximum Area Minimum Water Supply Requirements
per Sprinkler
2 2
256 ft. (23,8 m ) 30.4 gpm @ 7.0 psi (115,1 L/min @ 48,3 kPa)
2 2
324 ft. (30,1 m ) 33 gpm @ 8.2 psi (124,9 L/min @ 56,6 kPa)
2 2
400 ft. (37,2 m ) 40 gpm @ 12.1 psi (151,0 L/min @ 83,5 kPa)
Approved Finishes
®
1 - Chrome-Enloy , Brass, Black
®
Teflon , and White Polyester
[Black Polyester is approved
for 155 °F (68 °C) temperature
rating only].
Foot notes
EX TRA-LARGE OR I FICE SPRIN KLER
Nominal K-Factor
1
US met ric
11.5 16,6
(Flow and Pressure)
X - Standard surface-mounted es cutch eon or the
Microfast
or recessed with the Micromatic
Adjustable Recessed Escutcheon
Y - Standard surface-mounted es cutch eon or the
Microfast
Ta ble 2
June 4, 1999
MODEL M QUICK RE SPONSE
EX TENDED COV ER AGE
LIGHT HAZ ARD
Over all Length
Inch mm
2.75 69,9
KEY
Tem per a ture
Fin ish
A1X
Es cutch eon (if ap pli ca ble)
Listings
5
UL C-UL
A1X A1X
C1X, D1Y C1X, D1Y
7
B1X, E1Y B1X, E1Y
Approved Escutcheons
®
Model F-1 Adjustable Escutcheon
®
Model E-1
®
Model F-1 Adjustable Escutcheon
Form No. F_051293
Base
2
P/N
08339
3
5 6
NYC
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7
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8