Viking XT1 Pendent Fire Sprinkler | VK3521 | Quick Response | 8.0K | Brass | 175F | 23878AD (Formerly 19925AD)

SKU:
VK3521BR175
Manufacturer Part Number:
19925AD

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Overview

New and improved XT1 frame! Updated design prevents wrench from slipping during installation.

Viking XT1 Quick Response Brass Pendent Fire Sprinkler provides reliable and easily installed protection against fire in intermediate-temperature applications. Using a 3mm glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 175F (79C), supporting rescue and evacuation efforts by lowering ambient temperatures. This sprinkler replaces and improves upon the Viking VK352, with a reduced size (as short as 13/16 in. when installed with the NP-1 recessed escutcheon), a corrosion-resistant deflector, a smooth and finish-ready frame, and a laser-etched deflector.

Viking XT1 Quick Response Brass Pendent Fire Sprinkler has an 8.0 K-Factor and installs with 3/4 in. NPT thread, used in fire sprinkler systems throughout the United States. Each quick response head features a brass body, stainless steel deflector, and nickel alloy spring.

With a maximum working pressure of 175 PSI (12.1 BAR), this pendent sprinkler hangs from above-ceiling piping and may be installed in accordance with NFPA 13 and local fire codes. Each XT1 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years.

This product is UL listed & FM approved and appropriate for use in fire protection systems when accepted by the authority having jurisdiction. Pendent sprinklers direct the water stream downward against the deflector to distribute water in a circular or conical discharge pattern.

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Specifications

Finish:
Brass
Response Type:
Quick Response
Temperature:
175F
Corrosion Resistance:
No
May Contain Lead:
No
Nominal K-Factor:
8.0K
Fire Sprinkler Heat Element:
Glass Bulb
Fire Sprinkler Use Type:
Commercial
Fire Sprinkler Head Type:
Pendent
SIN Number:
VK3521
Thread Type:
NPT
Model:
XT1
UL Listed/FM Approved:
No

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