Dwyer - Paddle Flow Switch - FS Series
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Model FS-2 Paddle Flow Switch

Description: The Model FS-2 Paddle Flow Switch offers an economical solution for flow proving applications. Featuring custom set points tailored to specific requirements, this switch allows for field-adjustable vane layers and a set point adjustment screw. Housed in a durable aluminum weatherproof casing, the FS-2 is designed for outdoor installation. Its adjustable paddles accommodate pipe sizes ranging from 1˝ to 8˝, making it ideal for "flow or no flow" applications in both cold and hot water systems.

Features:

  • Field Adjustable Paddle for customized flow sensing.
  • Field Adjustable Set Point for precise control.
  • Weatherproof Construction ensures durability in outdoor environments.

Installation:

  1. Unpack and remove any packing material from the lower housing.
  2. Install in piping with the arrow pointing in the direction of flow.
  3. Ensure vertical installation on horizontal pipe runs.
  4. Maintain a safe distance from turbulence sources such as elbows, valves, and pumps.
  5. Recommended minimum distance upstream and downstream is about 5 times the pipe's diameter.

Specifications:

  • Service: Compatible liquids.
  • Wetted Materials: Bellow - Tin-bronze; Vane - Stainless Steel; Body - Forged brass.
  • Temperature Limit: 230ºF (110ºC).
  • Pressure Limit: 145 psig (10 bar).
  • Enclosure Rating: IP64.
  • Switch Type: SPDT snap switch.
  • Electrical Rating: 10A res, 3A ind @ 250 VAC.
  • Electrical Connection: Cable gland with attached wire leads.
  • Process Connection: 1˝ male NPT.
  • Mounting Orientation: Vertical installation 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).
  • Agency Approvals: CE.

The Model FS-2 Paddle Flow Switch delivers cost-effective flow proving with customizable set points and reliable performance in outdoor settings. Its robust construction and versatile design make it suitable for a wide range of applications, ensuring efficient operation in various liquid flow scenarios.

Part Numbers:
FS-2-BSPT Flow Switch Water adjustable set point weatherproof 1-8" pipe size

Please refer to the datasheet to check models capabilities.
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Frequently Bought Together

Total price $294.00

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Geoffrey Connor

Dwyer - Paddle Flow Switch - FS Series