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4. TECHNICAL SPECIFICATIONS
4.1 Definitions
Standard Upright Sprinkler: A sprinkler intended to be oriented with the deflector above the frame so water flows
upward through the orifice, striking the deflector and forming an umbrella-shaped spray pattern downward. These
sprinklers are marked "SSU" (Standard Spray Upright) or "UPRIGHT" on the deflector.
Corrosion Resistant Sprinkler: A special service sprinkler with non-corrosive protective coatings, or that is fabricated
from non-corrosive material, for use in atmospheres that would normally corrode sprinklers. Standard sprinklers can be
ordered as corrosion resistant sprinklers and can be used with escutcheons when allowed by the approval body.
4.2 Ratings and Physical Characteristics
Parameter
Minimum operating pressure
Maximum rated pressure
Factory tested pressure
Thread size
Nominal K–factor
Minimum temperature rating (glass bulb)
4.3 Markings and Dimensions
Figure – 1: Markings
Ref
Response type
A
Listings and Approvals
B
C
Sprinkler type
Manufacture date (year)
D
Nominal temperature rating
E
Manufacturer's Sprinkler Identification Number (SIN)
F
Nominal pipe engagement
G
Height
H
F_102420 Rev 01 August 30, 2022
TECHNICAL DATA SHEET
Description
VK1001 Standard Response
Upright Sprinkler K5.6 (80.6)
Value
7 psi (0.5 bar)
UL: 250 psi (17 bar) FM and CE: 175 psi (12 bar)
500 psi (35 bar)
1/2" NPT or 15 mm BSPT
5.6 U.S. (80.6)
–65 °F (–55 °C)
Figure – 2: Dimensions
SR: Standard Response
See sections 3 and 5
SSU: Standard Spray Upright
See marking
See marking
VK1001
7/16" (11 mm)
1 15/16" (49 mm)
Value
Page 2 of 7
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