VIKING 23028AB Fire Sprinkler Specifications

Viking - 23028AB - Residential Horizontal Sidewall Sprinkler (K5.8)

Technical Specification

Features:

Make: VIKING
Model code: 23028AB
Series: VK460
Standards: NFPA
Orientation: Sidewall

Additional info:

Max Pressure - 175 psi (12 bar) Response Type - Fast (Residential) Occupancy Type - Residential Thread Size - 1/2" NPT (15 mm BSP) Min Spacing - 8 ft (2,4 m) Max Spacing - 14 ft (4,3 m) x 26 ft (7,9 m) Orientation - Horizontal Sidewall Element Type - Glass Bulb

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Datasheet Datasheet

Make	VIKING
Manufacturer	VIKING Life - Saving Equipment A / S
Category	Fire Protection>Fire Sprinklers
Model code	23028AB
Series	VK460
Standards	NFPA
Orientation	Sidewall
NFPA temperature class	Ordinary
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Make

VIKING

Manufacturer

VIKING Life - Saving Equipment A / S

Viking Freedom® Residential Horizontal Sidewall Sprinkler VK460 (K5.8)

The Viking Freedom® Residential Horizontal Sidewall Sprinkler VK460 (K5.8) is a compact, thermosensitive glass-bulb sprinkler designed to meet diverse residential fire protection needs. It is engineered with several finish options and temperature settings to address varying design requirements while maintaining efficiency in water usage due to its K-Factor of 5.8 (83.6 metric†). This robust sprinkler comes with an Electroless Nickel PTFE (ENT) coating, granting it superior corrosion resistance, suitable for installation in corrosive environments, as verified by its C-UL-US-EU Listings.

Technical Specifications:

Nominal K-Factor: 5.8 U.S. (83.6 metric†)
Minimum Operating Pressure: 7 psi (0.5 bar)
Maximum Working Pressure: 175 psi (12 bar)
Standard Thread Size: 1/2” (15 mm) NPT
Overall Length: 2-1/2” (63.5 mm)
Glass-bulb Fluid Temperature Rated to -65 °F (-55 °C)

Material Standards: Constructed with premium-grade materials including Brass UNS-C84400 for the frame and Phosphor Bronze UNS-C51000 for the yoke ensuring durability and reliability.
Temperature and Finishes: Available in Brass, Chrome, White or Black Polyester, and ENT coatings, with temperature ratings of 155 °F (68 °C) and 175 °F (79 °C).

Ideal Use Cases

Viking’s VK460 Sprinkler is designed for use in residential settings requiring a horizontal sidewall installation. It is particularly suited for spaces prone to corrosive atmospheres, ensuring optimal performance and safety standards.

This sprinkler meets rigorous UL and VdS standards, providing reliable fire protection while effectively utilizing water resources.

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Datasheet Datasheet