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Viking VK343 K2.8 Quick Response Pendent Sprinkler

Viking VK343 K2.8 Quick Response Pendent Sprinkler

Regular price $23.99 USD
Regular price $26.99 USD Sale price $23.99 USD
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The Viking VK343 K2.8 Quick Response Pendent Sprinkler is a specialized fire protection component engineered for demanding commercial, industrial, and institutional environments. Installed in pendent positions within wet or dry fire sprinkler systems, this device deploys a fusible link thermal element designed to activate promptly upon reaching its specific temperature threshold, ensuring early fire control and rapid suppression.

This sprinkler is engineered to adhere to stringent industry requirements, including NFPA standards for fire sprinkler system design and installation. It satisfies code-mandated rapid-response performance criteria in both open and obstructed ceiling spaces, delivering precise hydraulic calculations and dependable life safety protection.

  • High-Pressure Design: Rated for use in fire suppression systems with maximum water working pressures up to 250 psi (17 bar).
  • Quick Response Activation: Features a fusible link thermal element to provide rapid thermal sensitivity and early fire suppression.
  • Optimized Distribution: Pendent installation orientation delivers uniform water spray coverage across open and obstructed ceiling configurations.
  • Standardized Threading: Integrates seamlessly with existing piping networks for simplified retrofits and new installations.
  • Corrosion Resistance: Available in various factory finishes to withstand challenging, humid, or corrosive job-site conditions.
Technical Specification Details
Manufacturer / Brand Viking
Model / SIN VK343
Connection / Thread Type 1/2-inch NPT
Pressure Rating (WWP) 250 PSI (17 bar) Max Working Pressure
K-Factor 2.8
Response Type Quick Response (Fusible Link)
Material / Body Construction Frame casting: brass UNS-C84400; deflector: brass UNS-C26000
Agency Listings & Approvals cULus Listed
Applicable NFPA Standards NFPA 13

Contractors must verify local Authority Having Jurisdiction (AHJ) requirements and cross-reference system hydraulic parameters before commencing installation.

Product Specifications: Manufacturer Technical Data (PDF)

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