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Non-magnetic Industrial Flow Switches - Ideal for Rusty Water

Industrial Flow Switches From 0.12 to 70 GPM Non-magnetic - ideal for Rusty Water

C$882.88

Item# FSW-30A

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 C$882.88
5-9 C$838.74
10-24 C$821.08
25-49 C$785.76
50-99 C$768.11
100+ C$750.45

In stock

Lead Time (If not in stock): 7 Days
Industrial Flow Switches From 0.12 to 70 GPM Non-magnetic - ideal for Rusty Water FSW-30A FSW-30A
  • Rugged Industrial Design
  • Switch Point Adjustable Without Removing Unit from Line
  • 15 A SPDT Switch Directly Controls Pump
  • Easy Screw Terminal Wiring–No Soldering
  • NPT Threaded to Pipe Directly In-Line

FSW-30A Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Flow Range
Process Connection Size
Wetted Materials
Media Type
Max Operating Pressure
Max Process Temperature
Process Connection Type
Switch Rating and Type


The FSW-30A flow switch is supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. The FSW-31 is supplied with 3 different drag discs to provide 3 overlapping ranges from 6 to 70 GPM for water. The orifices and drag discs can be changed while the switch is in-line, but not while operating. The FSW-32 operates over the range of 4-8 GPM for water.

SPECIFICATIONS
Relay switch: SPDT 15 A @ 125 or 250 Vac; 10,000,000 operations median
Sensitivity (% flow change required to activate switch): 5% at upper end of flow range, 25% at lower end of flow range
Max. Temperature/Pressure: 300 psig @ 82°C (180°F) max.
Min. Temperature: 4°C (40°F)
Wetted Parts: Red brass, 316 SS, phosphor bronze, Noryl®, EPDM (and PVC for Models FSW-31, 32). Other materials of construction: Brass body, Noryl® cover, stainless steel and plastic hardware
Pressure Drop:
   FSW-30A: 1 to 5 psi
   FSW-31A, FSW-32A (4 - 8 GPM range): 2 to 15 psi; all other ranges less than 2 psi
Electrical Cable Fitting: Water resistant for cable diameter 0.250' ±0.025'
Option “D” (dual SPDT relays):
   Nominal Differential Flow Between the Two Relay Actuation Points: 5%
Dimensions: 1.43 H x 125.5 mm W (5.63 x 4.94')
Weight: 1.59 kg (3.5 lb)
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