Dwyer Series V7 Flotect® Vane Operated Flow Switch - Wiratama Mitra Abadi | Industrial Equipment

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25.12.20

Dwyer Series V7 Flotect® Vane Operated Flow Switch

Dwyer Series V7 Flotect® Vane Operated Flow Switch

Flow includes Flow Transmitters, Flow Sensors, Flowmeters, Sight Flow Indicators and Water Meters. Mass Flowmeters, Controllers, Flow Indicators and Controllers are ideal for measurement of flow rates. Flow Switches come as paddle, thermal, piezo, and shuttle/piston. Flow Switch Sensors with an electrical contact output at a specific flow rate have different types of switches, which are paddle, thermal, piezo, and shuttle/piston.

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. 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.

Features

  • 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

Application

  • 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

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Specification

ServiceLiquids compatible with wetted materials that are non-coating and noncrystallizing.
Wetted MaterialsVane: 301 SS, Process connection: Brass or 316 SS, Magnet: Ceramic, Other: 301, 302 SS.
Upper Body MaterialDie cast aluminum.
Temperature Limits-40 to 250°F (-40 to 121°C).
Pressure Limits250 psi (17.2 bar).
Enclosure RatingWeatherproof, meets NEMA 4X (IP66).
Switch TypeSPDT snap switch.
Electrical Rating10 A @ 125, 250, 480 VAC; 1/8 hp @ 125 VAC, 1/4 hp @ 250 VAC.
Electrical Connections3 screw type, common, normally open and normally closed.
Conduit Connection1/2" NPSM.
Process Connection1" male NPT. Contact factory for optional tees.
Pipe Size1" to 4".
Mounting OrientationHorizontal 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 AdjustmentVane is trimmable
Weight1 lb 2 oz (500 g).
Agency ApprovalsCE, UL.

Download Data Sheet: Series V7 Flotect® Vane Operated Flow Switch

Ref: dwyer-inst.com

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