AV-1 Alarm Check Valve
2"-12" (DN50-DN300)
Detects water flow in fire sprinkler piping and sends an alarm signal when flow exceeds the preset threshold.

Technical Specifications
| Model / Size | 2"-12" (DN50-DN300) |
|---|---|
| Category | Valve |
| Application | Detects water flow in fire sprinkler piping and sends an alarm signal when flow exceeds the preset threshold. |
| Specification | TYCO AV-1-300 The most commonly used alarm valve in the world. Automatically actuates electric and/or hydraulic alarms when there is a steady flow of water into the system. |
Specifications listed above are for reference. For detailed technical data, sizing charts and certification documents, download the specification sheet or contact our engineering team.
Application Overview
Detects water flow in fire sprinkler piping and sends an alarm signal when flow exceeds the preset threshold.
TYCO AV-1-300 The most commonly used alarm valve in the world. Automatically actuates electric and/or hydraulic alarms when there is a steady flow of water into the system.
Compare With Similar Products
Side-by-side reference for valve products in the same category.
| Attribute | AV-1 Alarm Check ValveCurrent product | Resilient-Seated Gate Valve | Resilient-Seated Gate Valve Post Indicator | SV-1 Deluge Valve |
|---|---|---|---|---|
| Model / Size | 2"-12" (DN50-DN300) | 2"-12" (DN50-DN300) | — | 3"-8" (DN80-DN200) |
| Category | Valve | Valve | Valve | Valve |
| Application | Detects water flow in fire sprinkler piping and sends an alarm signal when flow exceeds the preset threshold. | Controls water flow in fire protection piping systems with reliable shut-off capability. | Provides visual and electrical indication of valve open/closed status for fire safety monitoring. | Rapidly releases large volumes of water for deluge fire suppression systems. |
| Specification | TYCO AV-1-300 The most commonly used alarm valve in the world. Automatically actuates electric and/or hydraulic alarms when there is a steady flow of water into the system. | Body: Ductile Iron. Flange by Flange, Flange by Groove, and Groove by Groove. Dependable, long life and easy to operate. | Easy & Reliable Structure. Tight & Space Saving Design. Safe and Effective Reset Function Valve. Light Weight. | TYCO UL Compact and reliable deluge valve for fire protection systems requiring rapid water discharge. |
Values are taken from our published product data. Confirm the final selection with our engineering team for project-specific requirements.
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