Water Flow Switch U-Bolt type WFS, plays a critical role in detecting water flow within fire sprinkler piping systems. Engineers and installers use this device in wet pipe sprinkler systems to ensure fast and accurate response during fire emergencies. Unlike complex installations, this model features a simple U-bolt clamp that allows quick and secure mounting—similar to a mechanical sprinkler tee.

Key Features of the Water Flow Switch U-Bolt

This flow switch offers a wide range of features designed to meet both safety and regulatory standards:

• Available Sizes: Choose from 2″, 2.5″, 3″, 4″, 5″, 6″, and 8″
• Pipe Compatibility: Fits pipe schedules 10 through 40
• System Use: Best suited for wet pipe systems
• Durable Finish: All components resist corrosion for long-term performance
• Dual SPDT Contacts: Includes two synchronized SPDT switches for enhanced reliability
• Operating Temperature Range: 0°C to 49°C (32°F to 120°F)
• Maximum Working Pressure:
  • UL/FM Rating: 3.10 MPa / 31.0 bar / 450 psi
  • CE Rating: 1.60 MPa / 16.0 bar / 232 psi
• Certifications: Fully UL listed, FM approved, and CE marked

Where and How to Install It

Technicians typically install the U-Bolt water flow switch on the main riser or branch lines of fire sprinkler systems. Thanks to its U-bolt clamp, they can quickly secure the device to pipe sizes ranging from 2 to 8 inches. This simple setup speeds up the installation process while maintaining structural integrity.

Moreover, once water starts to flow through the pipe—such as during a sprinkler activation—the switch immediately sends a signal to the fire alarm control panel. This rapid response ensures that emergency systems activate without delay.

Why Professionals Choose the WFS Water Flow Switch

Industry professionals continue to rely on the WFS type water flow switch for several good reasons:

• It ensures accurate water flow detection
• It installs quickly and securely using a U-bolt mechanism
• It supports multiple pipe sizes and schedules, increasing system compatibility
• It withstands harsh environments thanks to its corrosion-resistant finish
• It meets international safety standards, offering peace of mind

Benefits at a Glance

To sum it up, the Water Flow Switch U-Bolt provides an effective solution for waterflow detection in fire safety systems. It simplifies the installation process, enhances system reliability, and complies with global safety standards—all in one compact device.