2" Reduced Pressure Valve Tamper Shutoff for Safety Systems

Protect your fire protection systems from contamination and unauthorized interference with the 2" Reduced Pressure Valve Tamper Shutoff. Engineered for commercial buildings and industrial plants, this heavy-duty device safeguards water system integrity and supports regulatory compliance.

This assembly installs within commercial water supply and backflow prevention networks to prevent back-siphonage and backpressure contamination. Equipped with an integrated tamper switch, the unit provides immediate alerts to unauthorized valve operation to secure high-risk environments. It directly supports inspection, testing, and maintenance protocols under NFPA 13 for sprinkler system installation and NFPA 25 for the inspection, testing, and maintenance of water-based fire protection systems, while meeting ASSE 1013 standards.

• Durable Construction: Heavy-duty, corrosion-resistant ductile iron body featuring a factory-applied fusion-bonded epoxy coating.
• Corrosion-Resistant Components: Fitted with 300-series stainless steel springs and fasteners to maximize operational lifespan.
• Reliable Seal Technology: Utilizes EPDM elastomer seats and diaphragms within the pressure relief valve and check assemblies for positive sealing.
• Operational Limits: Rated for a maximum working pressure of 175 PSI (12.1 bar) and functional temperature ranges from 33°F to 140°F (0.5°C to 60°C).
• Installation Flexibility: Configured with standard 2" NRS threaded ends to support both horizontal and vertical piping alignments.
• Integrated Security: Built-in tamper switch signals immediate alerts during unauthorized valve manipulation.

Verify all local Authority Having Jurisdiction (AHJ) mandates and consult the manufacturer technical data sheet prior to job-site installation. Note that this unit is non-refundable and non-cancellable.

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