Overview
Viking VK4700 Residential Fast Response Brass Pendent Fire Sprinkler delivers powerful, affordable fire suppression in residential occupancies such as homes and apartments.
Using a heat-activated 3mm glass bulb, this automatic fire sprinkler opens when ambient temperatures reach 155F (68C), supporting rescue and evacuation efforts by lowering ambient temperatures.
When and how should VK4700 residential fire sprinklers be used?
The 3.0K orifice makes efficient use of available water supplies in home fire sprinkler systems and small residential systems. Viking's Freedom Residential Pendent Lead Free Sprinklers are designed to be unobtrusive, fast-acting, and capable of providing coverage of up to 16 feet by 16 feet (4.9m x 4.9m).
The Viking Model VK4700 has a 3.0 K-Factor and installs with 1/2 in. (12.7 mm) National Pipe Thread (NPT), used in fire sprinkler systems throughout the United States. This Residential Fast Response Fire Sprinkler features a lead-free design in compliance with the Reduction of Lead in Drinking Water Act, and is composed of a:
- Brass frame
- Brass screw
- Spring sealing assembly made with nickel alloy and PTFE tape.
Which standards does this lead-free, fire sprinkler comply with?
With a maximum working pressure of 175 PSI (12.1 BAR), this pendent sprinkler hangs from above-ceiling piping and may be installed and used in accordance with NFPA 13, NFPA 13R, NFPA 13D and local fire code. Each Model VK4700 sprinkler is made by Viking, a global leader in fire protection manufacturing for nearly 100 years.
This product is UL-listed, and appropriate for use in fire protection systems when accepted by the authority having jurisdiction.
Specifications
Finish: |
Brass |
Temperature: |
155F |
Corrosion Resistance: |
No |
May Contain Lead: |
No |
Nominal K-Factor: |
3.0K |
Fire Sprinkler Heat Element: |
Glass Bulb |
Fire Sprinkler Use Type: |
Residential |
Fire Sprinkler Head Type: |
Pendent |
SIN Number: |
VK4700 |
Thread Type: |
NPT |
Model: |
Freedom |
UL Listed/FM Approved: |
No |
