Dwyer FS-2 Flow Switch, Paddle, 145PSIG Max Pressure

Product Description

The Series FS-2 Vane Flow Switch offers an economical flow proving solution. Custom set points tailored for the application are enabled by field adjustable vane layers and a set point adjustment screw. The FS-2 features an aluminum weatherproof housing for outdoor installation. Paddles are adjustable to fit 1" to 8" size pipe. FS-2 is ideal for use in "flow or no flow" applications in cold and hot water systems.

Typical Applications

Ideal for use in "flow or no flow" applications in cold and hot water systems. Perfect for proving flow in boilers, hot water heaters, chillers, cooling lines, machinery and liquid transfer systems.

Performance Data

• Service: Compatible liquids
• Wetted Materials:Bellow: Tin-bronze; Vane: SS; Body: Forged brass
• Temperature Limits: 230°F (110°C)
• Pressure Limits: 145 psig (10 bar)
• Enclosure Rating: NEMA 4 (IP64)
• Switch Type: SPDT snap switch
• Electrical Rating: 10 A res, 3 A ind @ 250 VAC
• Electrical Connection: Cable gland with attached wire leads or optional conduit connection
• Process Connection: 1" male NPT or BSPT
• Mounting Orientation: Switch must be installed vertically on horizontal pipe runs
• Set Point Adjustment: Four vane combinations and an adjustment screw
• Enclosure: Die-cast aluminum alloy
• Weight: 28.22 oz (0.8 kg)

Features

• Field adjustable set point adjustment screw allows for easy flow switch modification
• Custom application set points enabled by field adjustable vane layers
• Aluminum weatherproof housing permits outdoor installation
• Ideal for use in "flow or no flow" applications in cold or hot water systems
• A table with approximate actuation and deactivation values is provided in the PDF