FM200 80NB Weflo Flow Switch offers a reliable solution for detecting water flow in fire protection sprinkler systems. Designed for steel pipes sized 50mm to 200mm (2” to 8”), this switch plays a critical role in ensuring early fire detection.
Moreover, the device meets FM approval standards, which guarantees its reliability in demanding environments.
Key Features of the FM200 80NB Weflo Flow Switch
Let’s explore what makes this flow switch stand out:
- ✅ Compatible with steel pipes: Works efficiently with pipe schedules 10 through 40.
- ✅ Supports multiple sizes: Ideal for 80NB (80mm) pipes within the 50mm–200mm range.
- ✅ Vane-type detection: A durable vane moves with water flow to activate the switch.
- ✅ Accurate flow actuation: Triggers when the water flow rate reaches 10 gallons per minute (GPM) or more.
- ✅ Prevents false alarms: Won’t activate at flow rates under 4 GPM.
- ✅ Pneumatic mechanical delay: The built-in delay avoids false alarms due to brief surges.
- ✅ Automatic reset: If water flow stops before the delay finishes, the mechanism resets on its own.
- ✅ Tamper-resistant design: Includes a secure cover that requires a special key (provided with the unit).
Applications
Many industries trust the FM200 80NB Weflo Flow Switch for their fire safety systems. Here’s where it fits best:
- 🔥 Wet pipe fire sprinkler systems
- 🏢 Commercial fire protection networks
- 🏭 Industrial facilities and warehouses
- 🏨 Hospitals, hotels, schools, and office buildings
Thanks to its dependable water flow detection, this switch helps protect lives and assets in emergencies.
Installation and Compatibility
Technicians can install this flow switch easily on both horizontal and vertical steel pipes. It supports all common pipe schedules (10–40), which makes it suitable for a wide range of setups. Additionally, its durable design ensures long-lasting performance, even in harsh environments.
Why Choose the FM200 80NB Weflo Flow Switch?
If you’re looking for a reliable and durable flow switch, consider these advantages:
- 🛡️ Certified FM Approval ensures high standards.
- 🔧 Robust construction handles tough conditions.
- 🚨 Precision detection minimizes false alarms.
- 🛠️ Simple installation saves time and effort.
- 🔐 Secure cover deters tampering.
By selecting this model, you’re investing in safety, quality, and long-term performance.
Conclusion
In conclusion, the FM200 80NB Weflo Flow Switch delivers exceptional performance for fire sprinkler systems. It detects water flow accurately, includes tamper protection, and resets automatically — features that enhance safety and reliability. Choose it to upgrade your fire protection system and meet modern safety standards with confidence.
