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5. LISTING AND APPROVAL DESIGN REQUIREMENTS
5.1 Listing and Approval Specifications
Thread Size
Sprinkler
Base Part
1
NPT
Number
23867
1/2"
23879
—
23867
1/2"
23879
—
A = 135 °F (57 °C), 155 °F (68 °C), 175 °F (79 °C), 200 °F (93 °C) and 286 °F (141 °C)
1 = Brass, Chrome, White Polyester
1 For complete part number, refer to Viking's current price list.
2 For White Polyester and Black Polyester, other colors are available upon request and will carry the same Listings and Approvals as the standard colors.
3 cULus Listed as corrosion resistant.
4 FM Approved as corrosion resistant.
5.2 cULus Listing Requirements and Details
The sprinkler is cULus Listed as indicated in Table 5.1 for installation in accordance with the latest edition of NFPA 13
for standard spray sprinklers. This sprinkler is designed for use in light, ordinary, and extra hazard occupancies.
5.3 FM Approval Requirements and Details
The sprinkler is FM Approved as standard response Non–Storage upright sprinkler as indicated in the FM Approval
Guide. The sprinkler is also approved for use in FM Approved vacuum dry sprinkler systems with a maximum
supervisory vacuum pressure of –3 psi (–207 mbar). FM Global Loss Prevention Data Sheets contain guidelines
relating to, but not limited to: minimum water supply requirements, hydraulic design, ceiling slope and obstructions,
minimum and maximum allowable spacing, and deflector distance below the ceiling. For specific application and
installation requirements, refer to the latest applicable FM Loss Prevention Data Sheets (including Data Sheet 2–0).
F_102420 Rev 01 August 30, 2022
TECHNICAL DATA SHEET
cULus
BSPT
Approval
Specification
—
A1
15 mm
A1
Additional Listings and Approvals
Maximum WWP 175 psi (12 bar)
CE
—
A1
15 mm
A1
Approval Specification (Temperature Ratings) Key:
Approval Specification (Finishes) Key:
2,3
, Black Polyester
Approval Body
Maximum working
water pressure
Specification
250 psi (17 bar)
250 psi (17 bar)
LPCB
A1
A1
2,3
3,4
, and ENT
VK1001 Standard Response
Upright Sprinkler K5.6 (80.6)
FM
Approval
Maximum working
water pressure
A1
175 psi (12 bar)
A1
175 psi (12 bar)
VdS
UKCA
A1
A1
A1
A1
Page 4 of 7
MED
A1
A1
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