VIKING 19154MD/B Fire Sprinkler Specifications

VIKING 19154MD/B Residential Upright Sprinkler (K4.9)

Technical Specification

Features:

Make: VIKING
Model code: 19154MD/B
Series: VK467
NFPA temperature class: Ordinary
Standards: NFPA

Additional info:

Finish: Black-Polyester Thread Size: 1/2" NPT Temperature: 175 °F (79 °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

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Datasheet Datasheet

Make	VIKING
Manufacturer	VIKING Life - Saving Equipment A / S
Category	Fire Protection>Fire Sprinklers
Model code	19154MD/B
Series	VK467
NFPA temperature class	Ordinary
Standards	NFPA
Orientation	Sidewall
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Make

VIKING

Manufacturer

VIKING Life - Saving Equipment A / S

Category

Fire Protection>Fire Sprinklers

Model code

19154MD/B

Series

VK467

NFPA temperature class

Ordinary

Standards

NFPA

Orientation

Sidewall

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Product description

The Viking Freedom® Residential Upright Sprinkler VK467 (K4.9) is a state-of-the-art, thermosensitive glassbulb sprinkler designed for optimal fire protection in residential environments. Its advanced design includes a corrosion-resistant Electroless Nickel PTFE (ENT) coating, making it suitable for corrosive atmospheres and earning C-UL-US-EU approval. The VK467 boasts a nominal K-Factor of 4.9, allowing efficient use of water supplies, crucial for hydraulically optimized fire protection systems.

Key Features

K-Factor: 4.9 U.S. (70.6 metric)
Maximum Pressure: 175 psi, tested up to 500 psi
Temperature Ratings: Available in 155 °F (68 °C) and 175 °F (79 °C)
Corrosion-resistant finishes: White and black polyester, ENT
Thread Size: 1/2” NPT
Material: Brass frame and deflector, glass bulb, nickel alloy spring
Compact size with an overall length of 2-1/4”

Ideal Use Cases

The VK467 is engineered for residential applications requiring compliance with NFPA standards, specifically NFPA 13D and 13R for low-rise residential structures. Its robust design caters to environments with challenging ceilings, including beam configurations and sloped ceilings, making it a preferred choice for architects and sprinkler designers aiming to blend safety with adaptive aesthetics.

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