3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem
3" 4000SS OS&Y Backflow Preventor Valve Stainless Steel Stem
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The 3" 4000SS OS&Y Backflow Preventor Valve with a stainless steel stem is designed for fire protection system professionals seeking a durable and reliable solution to prevent water contamination. Its robust construction and visible stem operation provide confidence in performance and compliance with stringent safety requirements.
- Material Durability: Main body crafted from ASTM A536 ductile iron for enhanced strength and impact resistance, ideal for demanding fire protection environments.
- Corrosion Resistance: Internal components including stems, nuts, and fasteners are precision-engineered from 300-series stainless steel to withstand corrosion and ensure longevity.
- Valve Design: Outside Stem & Yoke (OS&Y) configuration offers clear visual indication of valve position, facilitating easy inspection and manual operation without guesswork.
- Dual Check Valve Modules: Engineered to prevent backflow with minimal pressure loss, supporting sustained water quality and system efficiency.
- Regulatory Compliance: UL Listed to UL 312, FM Approved, and meets NFPA 13, 24, and 25 standards, ensuring reliable integration with fire sprinkler systems and water supply codes.
- Size and Compatibility: Sized at 3 inches, compatible with standard NRS flanged or grooved connections common in commercial fire protection piping.
- Pressure Handling: Designed to endure typical system pressures in fire protection networks, capable of supporting high flow demands without compromising backflow prevention.
- Installation Versatility: Suitable for underground or mechanical room environments, engineered to resist environmental elements while allowing for straightforward maintenance access.
This backflow preventer effectively safeguards potable water from contamination caused by reverse flow within fire protection systems, addressing a critical safety need for commercial, industrial, and municipal applications. Its OS&Y design enhances operational transparency for facility managers, making routine inspections simpler and more reliable. Compliant with rigorous safety certifications and built to endure harsh conditions, this valve supports uninterrupted fire suppression performance and aligns seamlessly with national fire codes. Whether retrofitting existing systems or installing new infrastructure, its standard sizing and robust materials reduce complexity and ensure a dependable barrier against backflow risks.
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