Viking VXD Preaction Pneumatic Release Trim System
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The Viking VXD Preaction Pneumatic Release Trim System precisely controls water flow within single-interlock preaction and dry sprinkler assemblies, protecting sensitive commercial spaces like data centers, museums, and warehouses from accidental water damage. Integrated pneumatic release technology ensures the valve actuates only when fire detection is confirmed, preventing costly false discharges and minimizing maintenance burdens.
Designed to comply with NFPA 13 installation guidelines, this system supports smooth building inspections while delivering reliable operation. Built-in pressure gauges maintain continuous oversight to help facility teams schedule timely maintenance, and heavy-duty galvanized construction withstands demanding mechanical room environments.
Key Features & Construction
- Pneumatic Release Technology: Actuates only upon confirmed fire detection to eliminate false activations.
- Pressure Monitoring: Equipped with reliable gauges for system oversight and routine maintenance scheduling.
- Durable Galvanized Configuration: Built from high-quality materials to endure harsh mechanical room conditions.
- Code-Compliant Design: Engineered to meet NFPA 13 guidelines for trouble-free building inspections.
Technical Specifications & Compliance Table
| Technical Field | Specification |
|---|---|
| Manufacturer / Brand | Viking |
| Model / Series Number | VXD Preaction Pneumatic Release Trim System |
| Connection / Thread Size & Type | Available in 1-1/2", 2", 2-1/2", 3", 4", 6", 8", and 10" configurations (Loose Trim or Pre-Trimmed options) |
| Pressure Rating (WWP) | N/A |
| K-Factor | N/A |
| Temperature Rating / Response Type | N/A |
| Material / Body Construction | Galvanized |
| Agency Listings & Approvals | UL Listed, FM Approved |
| Applicable NFPA Standards | NFPA 13 |
Verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical documentation prior to system installation.
Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)
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