MODEL M FRAME STYLE
SPRAY NOZZLES
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
Form No. F_011594 21.08.04 Rev 21.2
Page 3 of 5
Approval Chart
Frame Style Spray Nozzles
2
Open or Automatic
Base Part Number
1
(Specify Open
or Automatic)
Pattern
Thread Size
Nominal Orifice
Nominal
K-Factor
Overall Length
Listings and Approvals
4
(Refer also to Design
Criteria on page 4.)
NPT
BSP
Inches
mm
U.S.
metric
3
Inches
mm
cULus
5
NYC
6
1/2” (13 mm) Orifice
21365
60°
1/2”
15 mm
1/2”
13 mm
5.6
80
2-11/16
68.3
A1, B1
A1, B1
21366
90°
1/2”
15 mm
1/2”
13 mm
5.6
80
2-9/16
65.1
A1, B1
A1, B1
21367
120°
1/2”
15 mm
1/2”
13 mm
5.6
80
2-17/32
64.3
A1, B1
A1, B1
21368
150°
1/2”
15 mm
1/2”
13 mm
5.6
80
2-1/2
63.5
A1, B1
A1, B1
7/16” Orifice
21369
60°
1/2”
15 mm
7/16”
--
4.2
60
2-11/16
68.3
A1, B1
A1, B1
21370
90°
1/2”
15 mm
7/16”
--
4.2
60
2-9/16
65.1
A1, B1
A1, B1
21371
120°
1/2”
15 mm
7/16”
--
4.2
60
2-17/32
64.3
A1, B1
A1, B1
21372
150°
1/2”
15 mm
7/16”
--
4.2
60
2-1/2
63.5
A1, B1
A1, B1
3/8” (10 mm) Orifice
21373
60°
1/2”
15 mm
3/8”
10 mm
2.8
40
2-11/16
68.3
A1, B1
A1, B1
21374
90°
1/2”
15 mm
3/8”
10 mm
2.8
40
2-9/16
65.1
A1, B1
A1, B1
21375
120°
1/2”
15 mm
3/8”
10 mm
2.8
40
2-17/32
64,3
A1, B1
A1, B1
21376
150°
1/2”
15 mm
3/8”
10 mm
2.8
40
2-1/2
63.5
A1, B1
A1, B1
5/16” Orifice
7
21377
60°
1/2”
15 mm
5/16”
--
1.9
27
2-11/16
68.3
A1, B1
A1, B1
21378
90°
1/2”
15 mm
5/16”
--
1.9
27
2-9/16
65.1
A1, B1
A1, B1
21379
120°
1/2”
15 mm
5/16”
--
1.9
27
2-17/32
64.3
A1, B1
A1, B1
21380
150°
1/2”
15 mm
5/16”
--
1.9
27
2-1/2
63.5
A1, B1
A1, B1
1/4” Orifice
7
21381
60°
1/2”
15 mm
1/4”
--
1.4
20
2-11/16
68.3
A1, B1
A1, B1
21382
90°
1/2”
15 mm
1/4”
--
1.4
20
2-9/16
65.1
A1, B1
A1, B1
21383
120°
1/2”
15 mm
1/4”
--
1.4
20
2-17/32
64.3
A1, B1
A1, B1
21384
150°
1/2”
15 mm
1/4”
--
1.4
20
2-1/2
63.5
A1, B1
A1, B1
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 - Open (glass bulb and pip cap removed)
Approved Finishes
1 - Brass and Black PTFE for use on water-based deluge and water
spray systems.
Footnotes
1
Base part number is shown. When ordering, specify either open or automatic. For complete part number, see current Viking price schedule.
2
The spray nozzle deflector is identified with the U.S. K-Factor, spray angle, and temperature rating.
3
Metric K-factor shown is for use when pressure is measured in bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
4
This chart shows the listings and approvals available at the time of printing. Other approvals may be in process. Check with the manufacturer for any
additional approvals.
5
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada.
6
Accepted for use, City of New York Department of Buildings, MEA 89-92-E, Vol. 29.
7
The orifice is bushed.