Advertisement
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
Size
Sprinkler
Base
NPT
Part No.
Inch
20757
1/2
Corrosion-Resistant Coating:
ENT
2,3
Example: 20757AE = VK950 with Brass Finish and 200 °F (93 °C) Nominal temperature rating. This sprinkler is to be installed into an
area with a maximum ambient temperature of 150 °F (65 °C) meaning if the area will experience temperatures above the maximum
ambient rating, you shall use a higher temperature-rated sprinkler.
Accessories
Sprinkler Wrenches (see Figure 1):
A. Standard Wrench: Part No. 21475MB.
Sprinkler Cabinet:
A. Up to 6 sprinklers: Part number 01724A.
B. 6-12 Sprinklers: Part number 01725A.
Footnotes
Based on NFPA 13, NFPA 13R, and NFPA 13D. Other limits may apply, depending on fire loading, sprinkler location, and other requirements of the Authority Having
1.
Jurisdiction. Refer to specific installation standards.
cULus Listed as corrosion resistant.
2.
The corrosion resistant coatings have passed the standard corrosion test required by the approving agencies indicated in the Approval Chart. These tests cannot and
3.
do not represent all possible corrosive environments. Prior to installation, verify through the end-user that the coatings are compatible with or suitable for the proposed
environment. For automatic sprinklers, the ENT coating is applied to all exposed exterior surfaces, including the waterway. For ENT coated sprinklers, the Belleville spring
is exposed.
The sprinkler temperature rating is stamped on the deflector.
4.
Part
Maximum
SIN
Number
Pressure
1
20757
VK950
175 psi
Approved Temperature Rating
A - 200 °F (93 °C)
Also refer to Viking's current price schedule.
1
Metric K-factor measurement shown is when pressure is measured in Bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.
2
This table shows the listings and approvals available at the time of printing. Other approvals may be in process.
3
Listed by Underwriters Laboratories Inc. for use in the U.S. and Canada.
4
Meets New York City requirements, effective July 1, 2008.
5
cULus Listed as corrosion resistant.
6
Form No. F_081216
21.03.06 Rev 20.3
The Viking Corporation, 210 N Industrial Park Drive, Hastings MI 49058
TABLE 1: ORDERING INFORMATION
Instructions: Using the sprinkler base part number,
(1) add the suffix for the desired Finish
(2) add the suffix for the desired Temperature Rating.
1: Finishes
Description
Suffix
Brass
A
ENT
JN
2,3
COIN
®
Specific Application QR Upright Sprinkler VK950
For Light Hazard Occupancies Only
Thread Size
NPT
BSPT
U.S.
1/2"
15 mm
5.6
TECHNICAL DATA
Nominal Rating
200 °F (93 °C)
Approval Chart
Nominal
Overall Length
K-Factor
metric
Inches
mm
2
80
2-1/4
57
Footnotes
COIN
RESPONSE UPRIGHT
SPRINKLER VK950
(SPECIFIC APPLICATION)
2: Temperature Ratings
Classification: Intermediate
Max. Ambient Ceiling
Bulb Color
Temperature
Green
150 °F (65 °C)
Listings and Approvals
(Refer also to Design Criteria.)
cULus
A1
Approved Finish
1 - Brass, ENT
6
3 of 14
QUICK
®
4
Suffix
1
E
3
4
Advertisement
