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

Starting at $891.85

Ordering

Grouped product items
Model	Description	Availability*	Price
AFS-131	Adjustable flow switch for oil, 18 AWG, 24" polymeric lead wires, brass piston, brass housing.	9-10 Weeks*	$1,113.40
AFS-141	Adjustable flow switch for water, 18 AWG, 24" polymeric lead wires, polysulfone piston, brass housing.	1-3 days*	$891.85
AFS-142	Adjustable flow switch for water, 1/2" NPT conduit connection, polysulfone piston, brass housing.	1-3 days*	$1,178.25
AFS-151	Adjustable flow switch for liquids, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing.	9-10 Weeks*	$1,695.10
AFS-152	Adjustable flow switch for liquids, 1/2" NPT conduit connection, 316SS piston, 316SS housing.	9-10 Weeks*	$1,782.40
AFS-231	Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, brass piston, brass housing.	9-10 Weeks*	$1,096.30
AFS-232	Adjustable flow switch for gases, 1/2" NPT conduit connection, brass piston, brass housing.	9-10 Weeks*	$1,178.25
AFS-251	Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing.	9-10 Weeks*	$1,713.25
AFS-252	Adjustable flow switch for gases, 1/2" NPT conduit connection, 316SS piston, 316SS housing.	9-10 Weeks*	$1,782.40

Specifications

Service:: Compatible gases or liquids.
Wetted Materials:: Housing and Piston: See model chart on catalog page; 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).
Compliance:: CE.

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Series AFS Adjustable Flow Switch

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