Dwyer V8 Series Flotect Vane Operated Flow Switch

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Dwyer V8 Series Flotect Vane Operated Flow Switches are ideal for protecting unattended equipment from damage or loss of production. This Series is available for installation in a 1 to 6" pipe with operating pressures are up to 150 psig (10 bar) and temperatures to 212°F (100°C).

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 V8 Series Flotect Features

UL recognized as an industrial motor controller per UL standard 508, suitable for mounting in a protected environment
Magnetically actuated switching design gives superior performance with free-swinging vane which attracts a magnet within the switch body, actuating a snap switch with no bellows, springs, or seals to fail
Leak proof body and vane constructed of tough durable polyphenylene sulfide which has excellent chemical resistance
A full size trimmable vane is provided with molded-in graduations

Application

Chemical processing
Air conditioning
Refrigeration
Heating systems
Cooling lines
Machinery
Liquid transfer systems
Water treatment
Food processing
Machine tools

Dwyer V8 Series Flotect Specification

Service	Compatible gases or liquids.
Wetted Materials	Vane and Body: Polyphenylene Sulfide (PPS); Pin and spring: 316 SS or Inconel^®; Magnet: Ceramic 8.
Temperature Limit	212°F (100°C).
Pressure Limit	150 psig (10 bar).
Enclosure Rating	General purpose; WP/WP2 option is weatherproof.
Switch Type	SPDT snap switch; MV option: SPDT gold contact snap switch.
Electrical Rating	5 A @ 125/250 VAC, 5 A resistive, 3 A inductive @ 30 VDC. MV option: 1 A @ 125 VAC, 1 A resistive, 0.5 A inductive @ 30 VDC.
Electrical Connections	18 AWG 18" (460 mm) long.
Conduit Connection	1/2" male NPT, 1/2" female NPT on WP and WP2.
Process Connection	1" male NPT.
Mounting Orientation	Actuation/deactuation flow rates are based on horizontal pipe run and are nominal values. Unit cannot be used with vertical down flow.
Set Point Adjustment	Vane is trimmable.
Weight	4.5 oz (0.13 kg).
Agency Approvals	CE, cURus.