2-1/2" Double Check Detector N Pat With OSY Assembly

Protect your commercial fire protection systems and complex plumbing networks with this 2-1/2" double check detector assembly. Engineered for industrial environments, this unit safeguards your potable water supply by stopping reverse water flow and detecting backflow events early to prevent contamination and costly damage. It integrates directly into high-demand commercial fire systems to ensure continuous system integrity and safety code compliance.

Designed for reliability during emergency shutoffs or routine maintenance, the assembly features a robust Outside Stem and Yoke (OS&Y) gate valve that provides clear operational status and easy access for repairs. Its durable metal construction is treated to resist corrosion, standing up to harsh industrial conditions to streamline installations and reduce equipment downtime on retrofits and new builds.

Key Features & Construction

• Size: Measures 2-1/2" in diameter for seamless integration with commercial fire systems and existing plumbing setups.
• Double Check Valve Technology: Employs a dual check valve mechanism that stops reverse water flow to maintain system integrity.
• OS&Y Assembly: Includes a robust Outside Stem and Yoke gate valve for precise control, clear operational status, and easy access during emergency shutoffs or maintenance.
• Corrosion-Resistant Construction: Built from durable metals treated to withstand harsh industrial conditions and prevent degradation.
• Detection Capability: Detects backflow events early to help prevent costly damage and maintain compliance with safety codes.

Technical Specifications & Compliance Table

Verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before beginning installation. Note that this item is strictly non-refundable and non-cancellable.

Documentation: Download Manufacturer Technical Data & Cut Sheet (PDF)