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Documents: AFS-251

AFS Series AFS Catalog Page More Info

AFS-251 | Adjustable flow switch for gases | 18 AWG | 24" polymeric lead wires | 316SS piston | 316SS housing. | Dwyer

Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing.

Brand: DwyerSKU: AFS-251

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Overview Details for AFS-251

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Adjustable flow switch for gases | 18 AWG | 24" polymeric lead wires | 316SS piston | 316SS housing.

Series AFS Adjustable Flow Switch

For Oils, Water and Gases, Infinite Adjustments

The Series AFS Adjustable Flow Switches are externally adjustable piston-type flow switches for oils, liquids and gases. This Series offers an infinite number of flow settings from 0.5 to 20 GPM.

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Product Applications

Protecting machine tools from coolant flow failure
Protecting bearings from loss of lubricant
Assuring proper air flow
Water or compatible liquid control
Oil flow control
Control of gas flows

Externally adjustable flow set point
Offers a number of flow settings at pressures up to 1000 psig, with low pressure dropand precise repeatability

Specifications

Series: AFS Adjustable Flow Switch
Category/Type: Flow
Type: Flow Switches
Series: AFS Adjustable Flow Switch
Service: Compatible gases or liquids.
Wetted Materials: Housing and Piston: See model chart; Spring: 316SS; O-ring: Fluoroelastomer; Other: Epoxy.
Temperature Limits: -20 to 300°F (-29 to 149°C); -20 to 225°F (-29 to 107.2°C) with polysulfone piston.
Pressure Limit: 1000 psi (68 bar).
Accuracy: ±10% of setpoint.
Repeatability: ±1% maximum deviation.
Switch Type: SPDT.
Electrical Rating: .17 A @ 120 VAC; .08 A @ 240 VAC; .13 A @ 120 VDC; .06 A @ 240 VDC.
Electrical Connections: 18 AWG; 24" (61 cm); polymeric lead wires; optional 1/2" male NPT conduit connection.
Process Connection: 1/2" female NPT ports.
Mounting Orientation: Any.
Setpoint Adjustment: Liquids: 0.5 to 20 GPM (1.9 to 75.7 LPM); Gases: 1.0 to 75 SCFM (28 to 2124 LPM) at 5 psig.
Required Filtration: 50 microns or better.
Weight: 2 lb; 11 oz (1.22 kg).
Agency Approval: CE.