Dwyer

V7 Flotect Vane Operated Flow Switch

NEMA 4X design, features a free swinging vane and magnetic linkage; UL approved

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The Series V7 Flotect® Flow Switch is an inexpensive range switch for use with compatible liquids to start or stop electronic operated equipment when flow or no-flow conditions occur. Design is standard weatherproof, meeting NEMA 4X.

• Magnetically actuated switching design gives superior performance
• Features a free-swinging vane which attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm with no bellows, springs, or seals to fail
• Lower body is machined solid metal bar stock assuring no leak points, no matter how long the unit is in service
• Robust vane design is rigid and field trimmable for set point adjustment
 

Service Liquids compatible with wetted materials that are non-coating and noncrystallizing
Wetted Materials Vane: 301 SS,
Process connection: Brass or 316 SS,
Magnet: Ceramic,
Other: 301, 302 SS
Upper Body Material Die cast aluminum
Temperature Limits -40F - 250F (-40C - 121C)
Pressure Limits 250 PSI (17.2 Bar)
Enclosure Rating Weatherproof, meets NEMA 4X (IP66)
Electrical Connections 3 screw type, common, normally open and normally closed
Conduit Connection 1/2 in NPSM
Process Connection 1 in male NPT. Contact factory for optional tees
Pipe Size 1 in - 4 in
Mounting Orientation Horizontal or vertical (actuation flow rates are based on horizontal pipe runs in the vertical position). Will not work in vertical pipe with down flow
Set Point Adjustment Vane is trimmable, see set point chart on Catalog page
Weight 1 lb 2 oz (500 g)
Agency Approvals CE, UL

• Proof of boiler flow
• Shuts down burner when air flow through heating coil fails
• Protects pumps, motors and other equipment against low or no flow
• Stops liquid cooled engines, machines and processing when coolant flow is interrupted