Description
Dwyer SERIES FS-2 VANE FLOW SWITCH
Low Cost, Field Adjustable Set Point and Paddle
The 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.
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
Applications:
- Boiler flow proving
- Hot water heaters
- Chillers
- Cooling lines
- Machinery
- Liquid transfer systems
Specifications:
- 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.
Models:
| FS-2 | Paddle flow switch, 1″ male NPT. |
| FS-2-BSPT | Paddle flow switch, 1″ male BSPT. |
| FS-2-CND | Paddle flow switch, NPT process connection, conduit electrical connection |
| FS-2-W8 | Paddle flow switch, 1″ male NPT connection with 8 ft leads |
