Piston flow switch AFS series

for waterfor oilfor gas

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. 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 SPECIFICATIONS Service: Compatible gases or liquids. Wetted Materials: - Housing and Piston: See model chart: Spring: 316SS; O-ring: Fluoroelastomer; Other: Epoxy. Température 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 déviation. Switch Type: - SPDT. Electrical Rating: - .17 A @ 120 VAC: .08 A @ 240 VAC: .13 A @ 120VDC: 06A@ 240VDC. Electrical Connections: 18 AWG, 24" (61 cm); 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 Ib, 11 oz (1.22 kg). Compliance: 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