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Built for liquid flow and no-flow detection, this paddle-type liquid flow switch is set for a 4 to 500 GPM (15.1 to 1892.7 LPM) adjustable range. It switches a 15 A SPDT contact and connects through 1" NPT male porting. It provides a brass body with 316 SS, 304 SS and EPDM wetted parts and ±1% accuracy.
Built for liquid flow and no-flow detection, this paddle-type liquid flow switch is set for a 4 to 500 GPM (15.1 to 1892.7 LPM) adjustable range. It switches a 15 A SPDT contact and connects through 1" NPT male porting. It provides a brass body with 316 SS, 304 SS and EPDM wetted parts and ±1% accuracy.
The OMEGA(R) FSW-160 is the newest heavy-duty line of flow switches. The switch is used to signal, start, or stop electronically operated equipment when flow or no-flow conditions occur.
OMEGA's elastomeric sealing system is superior to the metal bellows that are subject to metal fatigue and corrosion. This seal system has been field-proven for over a decade.
The FSW-160 can be used in pipes 1 inch and larger, with set-points as low as 4 GPM (15.2 LPM) to over 500 GPM (1893 LPM) in larger pipe sizes.
Features
Applications
| Hysteresis (delta flow rate to activate/deactivate switch) | 10% at upper end of flow range 30% at lower end of flow range |
| Differential pressure drops across unit under normal operating conditions | 1 to 3" pipe, less than 1 psi 4 to 48" pipe, negligible |
| Working line pressure | 200 psig maximum (proof tested to 1200 psig at 21°C (70°F)) |
| Working temperature | 121°C (250°F) maximum continuous |
| Wetted materials, body and lid | Brass |
| Wetted materials, shaft | 304 stainless steel |
| Wetted materials, paddle | 316 stainless steel |
| Wetted materials, seal | EPDM |
| Electrical switch characteristics | SPDT 15 A, 1/2 hp at 125 or 250 Vac 0.5 A at 125 Vdc (tungsten lamp) 0.25 A at 250 Vdc (tungsten lamp) |
| Connection | 1" NPT |
| Dimensions | 3.75" (95 mm) 3.19" (81 mm) 2.06" (52 mm) 1.59" (40 mm) 1.5" (38 mm) 1.25" (32 mm) Included paddle set lengths: 1.5", 2.5", 3.63", 7.25" |
| Hysteresis (delta flow rate to activate/deactivate switch) | 10% at upper end of flow range 30% at lower end of flow range |
| Differential pressure drops across unit under normal operating conditions | 1 to 3" pipe, less than 1 psi 4 to 48" pipe, negligible |
| Working line pressure | 200 psig maximum (proof tested to 1200 psig at 21°C (70°F)) |
| Working temperature | 121°C (250°F) maximum continuous |
| Wetted materials, body and lid | Brass |
| Wetted materials, shaft | 304 stainless steel |
| Wetted materials, paddle | 316 stainless steel |
| Wetted materials, seal | EPDM |
| Electrical switch characteristics | SPDT 15 A, 1/2 hp at 125 or 250 Vac 0.5 A at 125 Vdc (tungsten lamp) 0.25 A at 250 Vdc (tungsten lamp) |
| Connection | 1" NPT |
| Dimensions | 3.75" (95 mm) 3.19" (81 mm) 2.06" (52 mm) 1.59" (40 mm) 1.5" (38 mm) 1.25" (32 mm) Included paddle set lengths: 1.5", 2.5", 3.63", 7.25" |
