Viking VK972 K5.6 Standard Response Concealed Pendent Sprinkler with Flexible Hose Assembly
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The Viking VK972 K5.6 Standard Response Concealed Pendent Sprinkler with Flexible Hose Assembly is engineered for integration into wet pipe fire suppression systems within commercial and residential environments. This assembly provides reliable fire suppression while maintaining architectural integrity through a concealed pendent design that sits flush against the ceiling. The flexible hose configuration accommodates minor misalignments during installation and building movements, actively reducing system stress and preventing potential joint leaks in complex ceiling spaces.
Fully compliant with NFPA 13 and NFPA 25 installation and maintenance standards, this assembly satisfies strict life safety code requirements for commercial and residential fire protection. The standard response element delivers timely water discharge to control fire hazards effectively. Built from durable, corrosion-resistant materials, the unit withstands high temperatures and operational pressures to extend service life across new construction and retrofit projects.
Key Features & Construction
- Concealed Pendent Design: Hides the sprinkler head behind a flush cover plate for a discreet appearance in modern interiors.
- Flexible Hose Assembly: Simplifies installation in restricted ceiling voids, reducing labor time and eliminating rigid piping modifications.
- Stress-Reducing Architecture: Flexibly absorbs structural shifts and alignment discrepancies to prevent piping strain and leaks.
- K5.6 Standard Response: Discharges water efficiently for rapid activation and hazard control.
- Corrosion-Resistant Build: Constructed with heavy-duty materials designed to endure demanding operational pressures and elevated temperatures.
Technical Specifications & Compliance Table
| Manufacturer / Brand | Viking |
| Model / Series Number / SIN | VK972 (SIN VK972) |
| Connection / Thread Size & Type | N/A |
| Pressure Rating (WWP) | N/A |
| K-Factor | 5.6 |
| Temperature Rating / Response Type | Standard Response |
| Material / Body Construction | Corrosion-Resistant Metal Alloy |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13, NFPA 25 |
Verify all local Authority Having Jurisdiction (AHJ) guidelines and review the manufacturer technical documentation prior to executing installation work on site.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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