Zurn Wilkins Fire Double Detector Check Valve Grooved Butterfly

This Double Detector Check Valve with Grooved Butterfly Valve assembly is engineered for fire protection and plumbing professionals who require precise backflow prevention combined with effective flow monitoring. Designed for commercial, industrial, and institutional sprinkler systems, this robust assembly protects potable water supplies from backpressure and backsiphonage while ensuring system readiness and regulatory compliance.

• Durable Construction: Crafted from high-strength ASTM A536 Grade 65-45-12 ductile iron, providing superior resistance to corrosion and chemical exposure. Internal components feature 300-series stainless steel and high-strength glass-filled thermoplastic modules for long-lasting performance under frequent cycling.
• Advanced Check Mechanism: Features two spring-loaded check valves with EPDM seals that safeguard water purity. The double detector configuration allows for early detection of backflow or unauthorized water use, enhancing overall system integrity.
• Integrated Grooved Butterfly Valve: Equipped with precision-machined grooved end connections meeting ANSI/AWWA C606 standards. This allows for fast, secure installation, smooth flow with minimal pressure drop, and easy isolation for routine testing or emergency maintenance.
• Regulatory Compliance: Fully certified to meet stringent industry standards, including UL Listing (UL312 and UL 1469), FM Approval (Class Number 1120), ASSE Standard 1012, and alignment with NFPA 13 and NFPA 25 codes.
• Operating Specifications: Designed to handle working pressures up to 175 psi (12 bar) and suitable for operating temperatures ranging from 33°F to 140°F, making it adaptable for diverse fire suppression environments.
• Maintenance Efficiency: The integrated design simplifies installation and future servicing, reducing labor costs and minimizing downtime during system inspections or facility upgrades.

Ideal for facility managers and fire safety installers, this valve assembly addresses the critical challenge of preventing contamination in water supplies without compromising fire system performance. Whether installed in warehouses, manufacturing plants, or large-scale commercial buildings, it provides a reliable, code-compliant solution for protecting life and property while maintaining operational efficiency.

Specifications: https://www.zurn.com/media-library/web_documents/pdfs/specsheets/bf-450da-pdf