{"product_id":"viking-vxd-double-interlock-preaction-system-electric-pneumatic-release","title":"Viking VXD Double Interlock Preaction System Electric\/Pneumatic Release","description":"\u003cdiv\u003e\n  \u003ch1\u003eViking VXD Series: Advanced Fire Protection for Sensitive Environments\u003c\/h1\u003e\n  \u003cp\u003eThe Viking VXD Series offers high-performance fire protection solutions designed for demanding commercial and industrial environments. Built around the innovative Model VXD Deluge Valve—a quick-opening, differential diaphragm valve with a single moving mechanism—these systems provide reliable water control for both deluge and preaction configurations. Whether safeguarding high-hazard areas or water-sensitive assets, these systems are engineered to deliver precise fire suppression while minimizing the risk of accidental discharge.\u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eAdvanced System Configurations\u003c\/b\u003e: Available in Deluge and Double-Interlocked Preaction setups. Deluge systems provide immediate, simultaneous water discharge for rapid fire spread areas, while Preaction systems offer tiered activation layers to safeguard environments where accidental water damage could be catastrophic.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDouble-Interlock Technology\u003c\/b\u003e: For maximum security, double-interlocked systems require two independent events—an electrical detection signal and a loss of supervisory pressure—before water enters the piping. This dual-verification process is essential for data centers, museums, and cold storage facilities.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eSophisticated Release Mechanisms\u003c\/b\u003e: Features precision-engineered electric and pneumatic release options. The electric release integrates with fire alarm control panels and monitored solenoids, while pneumatic actuators monitor air or nitrogen pressure to ensure system integrity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eFlexible Trim Options\u003c\/b\u003e: Available in both pre-trimmed riser assemblies and loose trim configurations. Pre-trimmed units are factory-assembled and tested to streamline installation, while loose trim provides the flexibility needed for custom, site-specific layouts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDurable Construction\u003c\/b\u003e: Built with high-strength ductile iron and precision components crafted from brass or galvanized steel. These materials ensure superior corrosion resistance and dependable performance in harsh or high-humidity conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eComprehensive Monitoring\u003c\/b\u003e: Features monitored release solenoids and integrated pressure gauges for real-time status tracking. Manual emergency release valves allow for controlled intervention during critical situations.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eCertified Performance and Compliance\u003c\/b\u003e: Most assemblies are UL Listed and FM Approved, including specific approvals for refrigerated area systems. The systems are designed to meet the rigorous standards of NFPA 13 and NFPA 72 for installation and operation.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003eBy combining rapid response times with advanced supervision, the Viking VXD system protects both life and property. It is the ideal choice for facilities such as archival vaults, laboratories, and industrial plants where preventing inadvertent water release is as paramount as fire suppression itself. This robust engineering provides unparalleled peace of mind for critical infrastructure.\u003c\/p\u003e\n\n  \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e: \u003ca title=\"VIKING MODEL VXD DOUBLE INTERLOCKED PREACTION SYSTEM\" href=\"https:\/\/www.vikinggroupinc.com\/sites\/default\/files\/2026-05\/052020_04.pdf\"\u003eTechnical Data Sheet\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Viking","offers":[{"title":"1-1\/2 in. \/ Monitored Solenoid \/ Loose Brass","offer_id":50136239571192,"sku":"28065-2","price":6420.08,"currency_code":"USD","in_stock":true},{"title":"1-1\/2 in. \/ Monitored Solenoid \/ Loose Galvanized","offer_id":50136239603960,"sku":"23568-1","price":4495.88,"currency_code":"USD","in_stock":true},{"title":"1-1\/2 in. \/ Non-Monitored Solenoid \/ Pre-Trimmed Galvanized","offer_id":50136239636728,"sku":"23569","price":6177.33,"currency_code":"USD","in_stock":true},{"title":"2 in. \/ Monitored Solenoid \/ Loose 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