Industrial Flow Switches - From 2 to 15 Feet/second |
| FSW-40A and FSW-50 |
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Industrial Flow Switches - From 2 to 15 Feet/second
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The FSW-40A and FSW-50 Series flow switches feature 15 A
SPDT switches and an internal screw adjustment for in-line
monitoring of switch points. Multiple drag disks provide incremental
switch point adjustment. Their non-magnetic design makes these
switches ideal for applications in which rust is a problem. The
FSW-40A Series has a brass and stainless steel construction
(optional 316 SS), while the FSW-50 Series comes in a
plastic/316 SS construction.
The FSW-40A Series is ideal for machine-cutting oils and for sewage
applications in which large objects are not caught on the drag disks.
Installation “T” fittings are recommended for installing switches
for 2" pipe size and below. For other pipe sizes, a “tee” fitting or weld
coupling 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)
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operator's manual.
Ordering Example: (1) FSW-40A-SS FSW-40 flow switch with special 316SS, FKM and PTFE construction , $585.00
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Related Links -
Manual
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Product Manual
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Download
FSW-50 Series - Industrial Flow Switches Manual
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Download
FSW-40 Series - Fluid Flow Switches Manual
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