8" 3000SS OSY GXG Double Detector Check Valve by Ames Backflows for Fire Protection Systems

Equip your commercial and industrial fire protection system with the Ames Backflows 8" 3000SS OS&Y GXG Double Detector Check Valve. This high-capacity assembly installs inline to deliver reliable backflow prevention, protecting large-scale setups from cross-contamination and unauthorized water usage. Engineered to satisfy mandatory containment requirements for municipal water supply protection, the unit features an integrated double detector check mechanism utilizing an OS&Y (Outside Screw and Yoke) valve design.

Dual detector checks allow for early identification of potential leaks and unauthorized water draws, enabling proactive maintenance. Accessible stem operation points and straightforward maintenance access help reduce labor efforts and minimize operational downtime during scheduled inspections. Built from corrosion-resistant 3000SS stainless steel, this assembly delivers long-term durability in harsh environments while supporting high-capacity water flow for large-scale industrial operations.

• 3000SS Stainless Steel Construction: Provides corrosion-resistant durability for harsh environments and long service life.
• 8-Inch Nominal Size: Supports high-capacity water flow required for large-scale industrial operations.
• OS&Y Valve Configuration: Delivers visual open/closed status verification and reliable flow control.
• Dual Detector Checks: Enables early leak identification and detects unauthorized water draws.
• Accessible Maintenance Points: Streamlines routine servicing to reduce labor and operational downtime.

Contractors must verify local Authority Having Jurisdiction (AHJ) requirements and consult manufacturer technical data sheets before installation. Note that this assembly is non-refundable and non-cancellable.

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