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

Models & Ordering

Model Description Usually Ships Price Code Order
AFS-131
Ships: Same Day
Price: $529.00
Adjustable flow switch for oil, 18 AWG, 24" polymeric lead wires, brass piston, brass housing. Same Day $529.00 N Order
AFS-132
Ships: 3-4 Weeks
Price: $567.00
Adjustable flow switch for oil, 1/2" NPT conduit connection, brass piston, brass housing. 3-4 Weeks $567.00 N Order
AFS-141
Ships: Same Day
Price: $429.00
Adjustable flow switch for water, 18 AWG, 24" polymeric lead wires, polysulfone piston, brass housing. Same Day $429.00 N Order
AFS-142
Ships: 3-4 Weeks
Price: $567.00
Adjustable flow switch for water, 1/2" NPT conduit connection, polysulfone piston, brass housing. 3-4 Weeks $567.00 N Order
AFS-151
Ships: 3-4 Weeks
Price: $818.00
Adjustable flow switch for liquids, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing. 3-4 Weeks $818.00 N Order
AFS-152
Ships: 3-4 Weeks
Price: $847.00
Adjustable flow switch for liquids, 1/2" NPT conduit connection, 316SS piston, 316SS housing. 3-4 Weeks $847.00 N Order
AFS-231
Ships: 3-4 Weeks
Price: $529.00
Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, brass piston, brass housing. 3-4 Weeks $529.00 N Order
AFS-232
Ships: 3-4 Weeks
Price: $567.00
Adjustable flow switch for gases, 1/2" NPT conduit connection, brass piston, brass housing. 3-4 Weeks $567.00 N Order
AFS-251
Ships: 3-4 Weeks
Price: $813.00
Adjustable flow switch for gases, 18 AWG, 24" polymeric lead wires, 316SS piston, 316SS housing. 3-4 Weeks $813.00 N Order
AFS-252
Ships: 3-4 Weeks
Price: $847.00
Adjustable flow switch for gases, 1/2" NPT conduit connection, 316SS piston, 316SS housing. 3-4 Weeks $847.00 N Order

Specifications

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.

Features

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

Product Literature

Manuals

Catalog Pages

Approvals

Drawings

Photo Downloads

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