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Industrial Strength In-Line Plastic Flow Switches

FSW-140 Series

in-line plastic flow switch | FSW-140 Series

in-line plastic flow switch

Se Alt Models Below

1 year warranty
  • Pre-set Switch Points, 265 ml to 7.6 litres per minute
  • 3/8 NPT Male or ¼" Quick Disconnect Process Connections
  • Chemical Resistant Polypropylene
  • For Low Viscosity Liquids
Flowmetre med variabelt areal, variable area flow meter & kontakter - Vis relaterede produkter


The FSW-140 Series rugged inline flow switches offer superior performance. Their fixed set-point and simple design make it a dependable switch. This series is an ideal choice for coolant applications requiring reliable flow detection in HVAC, semiconductor, welding, medical and other industries. The ¼" quick disconnect units have a host of snap-on mating adaptors available to fit most piping requirements.

Wetted Materials:
    Housing: Glass reinforced polypropylene
    Piston: PPS composite
    Spring: 316 stainless steel
    O-Ring: Fluorocarbon
Operating Pressure:
    8.6 bar (125 psi) @ 21°C (70°F)
    3.4 bar (50 psi) @ 100°C (212°F)
Operating Temperature: -18 to 100°C (0 to 212°F)
Set Point Accuracy: 20% of set point
Set Point Differential: 20% maximum
Switch: SPST, 10VA, normally open at no flow
Electrical Termination: 610 mm (24") polymeric leads, 22 AWG
Filtration: 100 micron

Thermoplastic Quick Couplings
Working Pressure: Vacuum to 120 psi (8.3 bar)
Operating Temperature: -40 to 82°C (-40 to 180°F) continuous
    Bodies and Valves: Acetal
    I nternal Spring: 316 Stainless Steel E xternal Springs, Pin, Latch:
    Stainless Steel Seals: Buna, others available
    Color: Natural white, others available
Tubing Sizes: ¼ thru 3/8" ID, ¼ and 3/8" OD 6 x 4 mm thru 12 x 8 mm (OD x ID)
Til bestilling(Angiv modelnummer)
Vare nummer/Desc.
Plastic Flow Switch with 3/8" NPT Male Threads
Quick Disconnect Pastic Flow Switch (see couplings below)
Quick Release Couplings
Beholdning: 1 uge 
1/4" Coupling with flow shut-off and 1/4" BSPT Male Thread
Beholdning: 9 uger 
1/4" Coupling with flow shut-off and 3/8" BSPT Male Thread
Beholdning: 1 uge 
1/4" Coupling with flow shut-off and 1/4" hose barb
All amounts shown in EUR
Noter: Quick release fittings sold separately, see table above.

Comes complete with operator’s manual.
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