Description
Dwyer Series FS-2 Vane Flow Switches offers an economical flow proving solution. The FS-2 paddles are adjustable to fit 1 to 8″ size pipe. Paddle flow switches or vane sensors with an electrical contact output are at a specific flow rate. Dwyer flow switches are economical and reliable. Applications include proof of boiler flow, air conditioning, controlling of dampers according to flow, and protecting pumps, motors and other equipment against low or no flow.
Dwyer Series FS-2 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
Application
- Boiler flow proving
- Hot water heaters
- Chillers
- Cooling lines
- Machinery
- Liquid transfer systems
Specification
- 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).
- Agency Approvals CE.
Download Data Sheet: Series FS-2 Paddle Vane Flow Switch
Ref: dwyer-inst.com
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