VIKING 19442MB/W Residential Upright Sprinkler (K4.9)

Technical Specification

Features:
  • Make: VIKING
  • Model code: 19442MB/W
  • Series: VK4670
  • Standards: NFPA
  • Orientation: Sidewall
Additional info:

Finish: Black-Polyester Thread Size: 1/2" NPT Temperature: 155 °F (68 °C) Element: 3mm Glass Bulb Orientation: Upright Style: Frame Style K-Factor: K4.9 (70.6)  Approvals: UL; cULus; WaterMark Type: Wet  Max Pressure - 175 psi (12 bar) Min Spacing - 9 ft (2,75 m) Max Spacing - 16 x 16 ft (4,9 x 4,9 m) Application: Residential Response: Residential Occupancy Type: Residential

Read more
Make VIKING
Manufacturer VIKING Life - Saving Equipment A / S
Category Fire Protection>Fire Sprinklers
Model code 19442MB/W
Series VK4670
Standards NFPA
Orientation Sidewall
NFPA temperature class Ordinary

Product description

The Viking Freedom® Residential Upright Lead-Free Sprinkler VK4670 (K4.9) is a cutting-edge fire safety solution designed for residential environments. Its standout feature is the glass-bulb operating element and special deflector characteristics, which ensure compliance with the stringent residential sprinkler standards. The sprinkler offers a nominal K-Factor of 4.9, facilitating efficient water usage across fire-protection systems designed for varying pressure requirements.

Key Features

  • Lead-Free Compliance: Aligns with legislative requirements such as the Reduction of Lead in Drinking Water Act, making it a safe choice for residential areas.
  • Temperature Sensitivity: Available in several finishes and temperature ratings, including a maximum ambient ceiling temperature of 100 °F with a bulb color indicator.
  • High Pressure Endurance: Tested hydrostatically to 500 psi (34.5 bar), with a working pressure maximum of 175 psi (12 bar).
  • Construction: Crafted from robust materials including brass, bronze, and nickel alloy for enhanced durability and performance.

Technical Specifications

  • Operating Pressure: Refer to the Approval Chart for details.
  • Thread Size: 1/2” NPT
  • Glass Bulb Activation: Shatters under fire conditions to release water efficiently.

Ideal Use Cases

Suitable for residential installations under NFPA 13D and NFPA 13R guidelines, the VK4670 is ideal for settings requiring effective, compliant fire protection with a decorative finish. Its ability to function in varied temperature settings with a robust construction makes it a preferred choice for residential safety.

vfd