AFS-142 | Adjustable flow switch for water | 1/2
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AFS-142 | Adjustable flow switch for water | 1/2" NPT conduit connection | polysulfone piston | brass housing. | Dwyer (OBSOLETE)

Adjustable flow switch for water, 1/2" NPT conduit connection, polysulfone piston, brass housing.

Brand: DwyerSKU: AFS-142
Dwyer | AFS-142
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Overview Details for AFS-142

DISCONTINUED MODEL, CONTACT TECHNICAL SUPPORT FOR REPLACEMENT OPTIONS See catalog product page for full listing

Adjustable flow switch for water | 1/2" NPT conduit connection | polysulfone piston | brass 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.

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