Flow Switch With Compact Relay Controller

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Flow Switch With Compact Relay Controller

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C$989.07

Article# FST-221-R

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Offered in Liquid and Gas Configurations
All-Plastic Construction with PP or PVDF Materials for Corrosive Environments
Invert Switch Provides Simple NO or NC Relay Operation
LED Indicators for Fluid, Relay and Power Status

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Modifiez ces spécifications pour commander un modèle différente. Toutes les combinaisons ne sont pas valides. Les options compatibles avec les sélections précédentes seront en gras.

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Process Connection Size

Media Type

Velocity Range

Accuracy

Max Operating Pressure

Max Process Temperature

Process Connection Type

Wetted Materials

Switch Rating and Type

Supply Power

Wire Length

Specs

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This switch package offers a complete solution for flow or no-flow switching in pipes or ducting up to 0.3 m (12'). The compact relay controller reliably actuates valves, pumps, or blowers rated up to 1/2 hp. Common applications include low-flow pump or process protection. To complete the instrumentation package, simply select the switch configuration in accordance with the liquid or gas used in your application.

L I Q U I D	Variable	Yes
	Clean	Y
	Slurry	Y
	Bubbles	—
	Coating	—
	Non-Coating	Y
	Low Viscosity	Y
	Med. Viscosity	Y
	High Viscosity	—
	Low Temperature	Y
	Med. Temperature	—
	High Temperature	—
	Δ Temperature	Y
	Low Velocity	Y
	High Velocity	—

G A S	Variable	Yes
	Coating	—
	Non-Coating	Y
	Low Temperature	Y
	Med. Temperature	Y
	High Temperature	—
	Δ Temperature	—
	Low Velocity	Y
	High Velocity	—

SPECIFICATIONS
RELAY CONTROLLER
Supply Voltage: 120/240 Vac 50/60 Hz
Consumption: 0.25 A
Relay Type: (1) SPDT
Relay Current: 10 A, 250 Vac, 1/2 hp
Relay Mode: NO or NC selectable
Time Delay: 0 to 60 s
Temp Range: -40 to 70°C (-40 to 158°F)
Enclosure Rating: NEMA 4X (IP66)
Enclosure Material: Polypropylene (UL 94VO)
Enclosure Rotation: 300° swivel base
Conduit Connection: 1/2 NPT
SENSOR
Range: 0.04 to 3 ft/s (liquids)
Accuracy: ±5% of setpoint at constant temperature and flow rate
Response Time: 10 s (approx.)
Setpoint Drift with Fluid Temperature: 0.5%/°C
Fluid Temperature: 60°C (140°F)
Max Fluid Pressure:
PP or PVDF: 150 psi @ 25°C (77°F) derated @ 1.7 psi/°C above 25°C (77°F)
Process Connection: 3/4 MNPT
Dimensions: 208 L x 71 mm Dia (8.2 x 2.8')

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