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Industrial Flow Switches - From 2 to 15 Feet-second
FSW-40A and FSW-50
PLACE ORDER - Rugged Industrial Design
- Switch Point Adjustable While Unit Is Operating
- 15 A SPDT Switch Directly Controls Pump
- Mounts in Any Position
Description
Description
The FSW-40A and FSW-50 Series flow switches feature 15 ASPDT switches and an internal screw adjustment for in-linemonitoring of switch points. Multiple drag disks provide incrementalswitch point adjustment. Their non-magnetic design makes theseswitches ideal for applications in which rust is a problem. TheFSW-40A Series has a brass and stainless steel construction(optional 316 SS), while the FSW-50 Series comes in aplastic/316 SS construction.
The FSW-40A Series is ideal for machine-cutting oils and for sewageapplications in which large objects are not caught on the drag disks.Installation “T” fittings are recommended for installing switchesfor 2" pipe size and below. For other pipe sizes, a “tee” fitting or weldcoupling can be used.
| Model No. | Extra Disks
Included | For
Pipe Sizes | Switch Point Adjustment Range (fps) |
| Low | High |
| FSW-40A | 1 | 1" | 2.0 to 6.0 | 5.0 to 15.0 |
| FSW-41A | 2 | 1½ to 2½" | 2.0 to 6.0 | 5.0 to 15.0 |
| FSW-42A | 3 | 3 to 10" | 2.0 to 6.0 | 5.0 to 15.0 |
| FSW-43A | 3 | 10 to 48" | 2.0 to 6.0 | 5.0 to 15.0 |
| FSW-50 | 1 | 1" | 3.3 to 5.3 | 7.4 to 11.5 |
| FSW-51 | 1 | 1½ to 2½" | 2.7 to 5.4 | 5.4 to 10.8 |
| FSW-52 | 1 | 3 to 10" | 2.0 to 4.0 | 4.0 to 8.0 |
SPECIFICATIONS
Relay Switch: SPDT 15 A @ 125 or 250 Vac; 10,000,000 operations median
Nominal Sensitivity (% Flow Change to Activate Switch):
10% @ upper end of range
30% @ lower end of range
Pressure Drop: 1 to 3" pipe, less than 1 psi; 4" and above, negligible
Installation Fitting:
FSW-40A Series: 1 NPT
FSW-50 Series: 1¼ NPT
Max Pressure/Temperature:
FSW-40A Series: 300 psig @ 82°C (180°F)
FSW-50 Series: 100 psig @ 93°C (200°F)
Min Temperature: 4°C (40°F)
Wetted Parts:
FSW-40 Series: Brass, 300 to 304 SS, phosphor bronze and EPDM and cork rubber (other materials are brass body, Noryl® cover, 300 SS and plastic hardware); also available with 316 SS, FKM, and PTFE
FSW-50 Series: Polyphenylene sulfide, 316 SS, FKM; also available with polyphenylene sulfide, Hastelloy C and FKM construction
Electrical Cable Fitting: Water resistant for cable diameters 0.250 ±0.025"
Weight:
FSW-40A Series: 1.59 kg (3.5 lb)
FSW-50 Series: 113 g (4.0 oz) Anemometer | Automation | Accelerometers | Calibrator | Cartridge Heaters | Chart Recorders | Cryogenics | Custom Pressure Transducers | Data Loggers | Data Acquisition | Dial Thermometers | Fiber Optics | Fiber Optic Temperature Measurement | Flexible Heaters | Flow Meters | Glass Bulb Thermometers | Grippers | Heaters | Humidity Measurement | Integrated Circuit Sensors | Immersion Heaters | Infrared Thermometers | Level Measurement | Load Cells | M12 Temperature Connectors | Magnetic Flow Meter | Panel Meter | PID Controllers | pH meter | Pressure Gauges | Pressure Transducers | Pressure Transmitters | Rotameters | RTD | Remote Process Monitoring | Sanitary Sensors | Signal Conditioners | Stepper Motors | Strain Gages | Strip Heaters | Temperature Controllers | Temperature Labels | Temperature Measurement | Temperature Sensor Manufacturing | Temperature Sensors | Temperature Transmitters | Thermal Imagers | Thermistors | Thermocouple | Thermocouple Wire | Thermowell | Ultrasonic Flow Meters | Vortex Flow Meter | Wireless Sensors
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