The Potter VSR-4 4-inch Flow Switch is a critical component for water-based fire protection systems, designed to provide reliable detection and monitoring of water flow in commercial sprinkler networks. Engineered for precision and durability, this mechanical flow switch serves as a crucial interface between hydraulic water movement and fire alarm control panels, generating supervisory and alarm signals when significant water flow is detected.
Constructed with robust materials and precision-engineered mechanical components, the VSR-4 is specifically optimized for larger pipe diameters in commercial and industrial fire suppression infrastructures. Its heavy-duty design ensures consistent performance across diverse environmental conditions, making it an essential detection mechanism for facilities ranging from multi-story office complexes to manufacturing plants and healthcare institutions.
Key Features
- Compatible with 4-inch pipe diameters in wet and dry pipe sprinkler systems
- SPDT (Single Pole, Double Throw) electrical switching mechanism with consistent actuation
- Corrosion-resistant brass and stainless steel construction for extended operational reliability
- Adjustable micro-switch mechanism with field-configurable sensitivity settings
- UL Listed and FM Approved for critical fire protection applications
- Direct mounting capability on horizontal and vertical pipe configurations
Specifications
- Operating Temperature Range: 33°F to 250°F
- Maximum Working Pressure: 300 PSI
- Switch Rating: 10 Amps @ 125/250 VAC
- Pipe Material Compatibility: Steel, Copper, Cast Iron
Designed to meet rigorous industry standards including NFPA 72 (National Fire Alarm and Signaling Code) and UL 464 requirements, the Potter VSR-4 integrates seamlessly with modern addressable fire alarm control panels and building management systems. Typical installation environments include commercial office buildings, educational facilities, healthcare complexes, industrial warehouses, and institutional facilities requiring comprehensive water flow monitoring.
Professional installers will appreciate the VSR-4’s straightforward mounting configuration and minimal maintenance requirements. The switch provides immediate electrical signaling upon detecting water movement exceeding predetermined flow thresholds, ensuring rapid communication with central monitoring systems and facilitating prompt emergency response protocols.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 8.12 lbs |
|---|---|
| Dimensions | 3 × 5.6 × 5.3 in |
| Condition | New |
| Manufacturers | Life Safety |
| Part Type | Replacement Part |
