( Dwyer )
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| General | | The Series AFS Adjustable Flow Switch is externally adjustable and is ideal for protecting machine tools from coolant flow failure, protecting bearings from loss of lubricant or assuring proper air flow. The Series AFS offers an infinite number of flow settings from 0.5 to 20 GPM at pressures up to 1000 psig, with low pressure drop and precise repeatability. The AFS is housed in either brass or stainless steel and can be used with water, compatible liquids, oils, and gases. | |
| | Technical specifications: | | Service | Liquids, water, gases, and oils. | | Wetted Materials | Brass and 316 SS. | | Temperature Limits | -20 to 300°F (-29 to 149°C). | | Pressure Limit | 1000 psi (68 bar). | | Accuracy | ±10% of set-point | | Repeatability | ±1% maximum deviation. | | Switch Type | SPDT. | | Electrical Rating | 20 VA. | | Electrical Connections | 18 AWG, 24˝, Polymeric Lead Wires. | | Process Connection | 1/2˝ female NPT ports. | | Mounting Orientation | Any. | | Setpoint Adjustment | 0.5 to 20 GPM. | | Required Filtration | 50 microns or better. | | Weight | 2 lb, 11 oz (1.22 kg). |
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