Flow Switches

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Min/Max Supply Voltage Min
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Min/Max Contact Rating
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Flow Switch Type Sensor Type Flow Rate Min Flow Rate Max Operating Pressure Min Operating Pressure Max Supply Voltage Min Supply Voltage Max Accuracy Contact Rating Switching Voltage AC Max Sensor Output Type Switching Voltage DC Max Media Type Process Connection Size Process Connection Type Pipe Size Housing Material Pressure Max Operating Temperature Min
 
 
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FCS-01
FCS-01 - Flow Sensor, SPST-NO, 1A, 0.6l/min, Water, 10bar, 3/8

2294169

Flow Sensor, SPST-NO, 1A, 0.6l/min, Water, 10bar, 3/8" BSP Male Thread, 250VAC/200VDC, FCS Series

TE CONNECTIVITY

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325 deliver in 2-3 business days from our SG warehouse :(SG stock) Order before 17:00 Mon-Fri (excluding National Holidays)

1,799 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 10/6/25

Each

1+ ¥2,163.77 (¥2,380.15) 10+ ¥1,894.71 (¥2,084.18) 25+ ¥1,807.67 (¥1,988.44) 50+ ¥1,748.16 (¥1,922.98) 100+ ¥1,739.20 (¥1,913.12) 500+ ¥1,730.23 (¥1,903.25) 1000+ ¥1,721.26 (¥1,893.39) More Pricing...

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SPST-NO Flow Sensor - 1l/min - 10bar - - - 1A 250V - 200V 0 3/8" BSP Male Thread - Noryl - -30°C
27051
27051 - FLOW SWITCH, SPDT, -20 TO 300DEG F

1905195

FLOW SWITCH, SPDT, -20 TO 300DEG F

GEMS SENSORS

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3 deliver in 8-9 business days from our US warehouse :(US stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/28/25

Each

1+ ¥56,237.45 (¥61,861.20) 5+ ¥54,341.16 (¥59,775.28) 10+ ¥52,784.92 (¥58,063.41) 25+ ¥51,602.61 (¥56,762.87) 50+ ¥50,554.07 (¥55,609.48) 100+ ¥49,955.74 (¥54,951.31) More Pricing...

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SPDT - - - - - - - - - - - - Liquid 1" NPT Female - Bronze - -
165840
165840 - FLOW SWITCH, SPST, 0.05GPM, 0-100DEG C

3034630

FLOW SWITCH, SPST, 0.05GPM, 0-100DEG C

GEMS SENSORS

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14 deliver in 8-9 business days from our US warehouse :(US stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 7/28/25

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1+ ¥24,179.51 (¥26,597.46) 5+ ¥23,364.19 (¥25,700.61) 10+ ¥22,695.08 (¥24,964.59) 25+ ¥22,186.74 (¥24,405.41) 50+ ¥21,735.92 (¥23,909.51) 100+ ¥21,305.54 (¥23,436.09) More Pricing...

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SPST - - - - - - - - - - - - Liquid 1/4" NPT Male - PP (Polypropylene) - 0°C
FCS-05
FCS-05 - Flow Sensor, SPST-NO, 1A, 0.6l/min, Water, 10bar, 3/8

2294171

Flow Sensor, SPST-NO, 1A, 0.6l/min, Water, 10bar, 3/8" BSP Male Thread, 250VAC/200VDC, FCS Series

TE CONNECTIVITY

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1,072 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

[1,050 more will be available on 10/27/25]

More stock available week commencing 12/15/25

Each

1+ ¥2,024.83 (¥2,227.31) 10+ ¥1,998.08 (¥2,197.89) 25+ ¥1,971.33 (¥2,168.46) 50+ ¥1,944.57 (¥2,139.03) 100+ ¥1,917.82 (¥2,109.60) 500+ ¥1,891.07 (¥2,080.18) 1000+ ¥1,864.31 (¥2,050.74) More Pricing...

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SPST-NO Flow Sensor - 0.6l/min - 10bar - - - 1A 250V - 200V 0 3/8" BSP Male Thread - PP (Polypropylene) - -30°C
FS-90/1
FS-90/1 - Flow Switch, FS Series, 3 l/m, 15 mm Port Size, 10 bar, SPST-NO, 250 Vac, 1 A, Copper Pipe

2294172

Flow Switch, FS Series, 3 l/m, 15 mm Port Size, 10 bar, SPST-NO, 250 Vac, 1 A, Copper Pipe

TE CONNECTIVITY

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82 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)

More stock available week commencing 9/22/25

Each

1+ ¥4,640.17 (¥5,104.19) 5+ ¥4,257.20 (¥4,682.92) 10+ ¥4,114.78 (¥4,526.26) 25+ ¥3,944.29 (¥4,338.72) 50+ ¥3,827.69 (¥4,210.46) 100+ ¥3,735.68 (¥4,109.25) 500+ ¥3,643.67 (¥4,008.04) More Pricing...

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SPST-NO - - 3l/min - 10bar - - - 1A 250V - 200V 0 - - 15mm Brass 10bar -30°C
FS-05
FS-05 - Flow Switch, FS Series, 22 mm Port Size, 10 bar, SPST-NO, 250 Vac, 3 A

1006768

Flow Switch, FS Series, 22 mm Port Size, 10 bar, SPST-NO, 250 Vac, 3 A

TE CONNECTIVITY

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1+ ¥22,022.49 (¥24,224.74) 5+ ¥19,269.68 (¥21,196.65) 10+ ¥15,966.30 (¥17,562.93) 25+ ¥14,314.62 (¥15,746.08) 50+ ¥13,213.49 (¥14,534.84) 100+ ¥12,332.59 (¥13,565.85) More Pricing...

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SPST - - - - 10bar - - - 3A 250V - - 0 - - - Brass - -
FS-10
FS-10 - Flow Switch, FS Series, 0 ml/min to 500 ml/min, 15 mm Port Size, 10 bar, SPST-NO, 300 Vac, 1 A

1006772

Flow Switch, FS Series, 0 ml/min to 500 ml/min, 15 mm Port Size, 10 bar, SPST-NO, 300 Vac, 1 A

TE CONNECTIVITY

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1+ ¥4,153.86 (¥4,569.25) 5+ ¥3,806.50 (¥4,187.15) 10+ ¥3,677.25 (¥4,044.98) 25+ ¥3,657.68 (¥4,023.45) 50+ ¥3,638.11 (¥4,001.92) 100+ ¥3,618.54 (¥3,980.39) 500+ ¥3,598.96 (¥3,958.86) More Pricing...

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SPST - - - - 10bar - - - 1A - - 300V 0 - - 15mm Copper - -30°C
FS-02
FS-02 - Flow Switch, FS Series, 0 l/min to 1 l/min, 3/4

1006767

Flow Switch, FS Series, 0 l/min to 1 l/min, 3/4" BSP Thread, 10 bar, SPST-NO, 250 Vac, 1 A

TE CONNECTIVITY

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1+ ¥8,498.68 (¥9,348.55) 5+ ¥7,436.35 (¥8,179.99) 10+ ¥6,161.55 (¥6,777.71) 25+ ¥5,524.15 (¥6,076.57) 50+ ¥5,099.21 (¥5,609.13) 100+ ¥4,759.27 (¥5,235.20) 500+ ¥4,504.30 (¥4,954.73) More Pricing...

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SPST - - - - 10bar - - - 1A 250V - 200V 0 3/4" BSPT - Noryl - -
FSW301
FSW301 - Flow Sensor, 500 l/min, 25 bar, 0.5

3794983

Flow Sensor, 500 l/min, 25 bar, 0.5", FSW300 Series

OMEGA

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1+ ¥53,008.97 (¥58,309.87)

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SPST - 15l/min 500l/min - 365psi - - - 1A 230V - 48V Liquid 1/2" NPT Male 3/4 to 8" Brass - 0°C
155425
155425 - Flow Sensor, Flow Set Point Switching, RFS Series, 0.5 to 5 gpm, 5 %, NPT, 6.35 mm

1971755

Flow Sensor, Flow Set Point Switching, RFS Series, 0.5 to 5 gpm, 5 %, NPT, 6.35 mm

GEMS SENSORS

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1+ ¥56,047.62 (¥61,652.38) 5+ ¥55,582.57 (¥61,140.83)

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SPDT - 0.5l/min 5l/min 6.9bar 13.8bar - 24VDC 5% 1A - - - Liquid 1/4" NPT Female - PP (Polypropylene) - -29°C
129661
129661 - FLOW SWITCH, SPST, 1GPM, 0-212DEG F

4982022

FLOW SWITCH, SPST, 1GPM, 0-212DEG F

GEMS SENSORS

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1+ ¥25,357.31 (¥27,893.04) 5+ ¥24,502.28 (¥26,952.51) 10+ ¥23,800.58 (¥26,180.64) 25+ ¥23,267.48 (¥25,594.23) 50+ ¥22,794.69 (¥25,074.16) 100+ ¥22,343.35 (¥24,577.69) More Pricing...

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SPST - - - - - - - - - - - - Liquid 1/2" NPT Male - PP (Polypropylene) - -
29608
29608 - Flow Sensor, Paddle, High PressureFS-550 Series, 15 to 52 gpm, 25 %, NPT, 12.7 mm

1971756

Flow Sensor, Paddle, High PressureFS-550 Series, 15 to 52 gpm, 25 %, NPT, 12.7 mm

GEMS SENSORS

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1+ ¥92,329.87 (¥101,562.86) 5+ ¥89,216.56 (¥98,138.22) 10+ ¥86,661.55 (¥95,327.71) 25+ ¥84,720.45 (¥93,192.50) 50+ ¥82,998.98 (¥91,298.88)

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- - 15l/min 52l/min - - - - 25% - - - - - - - - - - -
70822
70822 - Compact Liquid Flow Switch, 1/4

3046862

Compact Liquid Flow Switch, 1/4" NPT, Br

GEMS SENSORS

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1+ ¥25,776.67 (¥28,354.34) 5+ ¥24,907.49 (¥27,398.24) 10+ ¥24,194.19 (¥26,613.61) 25+ ¥23,735.87 (¥26,109.46)

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SPST - - - - 1000psi - - - - - - - Liquid 1/4" NPT Female - Brass - -29°C
70821
70821 - Compact Liquid Flow Switch, 1/4

3046850

Compact Liquid Flow Switch, 1/4" NPT, Br

GEMS SENSORS

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1+ ¥27,806.64 (¥30,587.30) 5+ ¥26,869.01 (¥29,555.91) 10+ ¥26,099.53 (¥28,709.48) 25+ ¥25,514.94 (¥28,066.43) 50+ ¥24,996.49 (¥27,496.14) 100+ ¥24,519.88 (¥26,971.87) More Pricing...

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SPST - - - - - - - - - - - - Liquid 1/4" NPT Female - Brass - -29°C
70824
70824 - Compact Liquid Flow Switch, 1/4

3046886

Compact Liquid Flow Switch, 1/4" NPT, Br

GEMS SENSORS

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1+ ¥39,956.70 (¥43,952.37) 5+ ¥34,962.11 (¥38,458.32) 10+ ¥28,968.61 (¥31,865.47) 25+ ¥25,971.86 (¥28,569.05) 50+ ¥23,974.02 (¥26,371.42) 100+ ¥23,735.87 (¥26,109.46) More Pricing...

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SPST - - - - 1000psi - - - - - - - Liquid 1/4" NPT Female - Brass - -29°C
FSVPLC06
FSVPLC06 - Flow Switch, 8 Bar, 0.6 to 80 LPM, Port Size 25.4mm, FSVPLC Series

4146125

Flow Switch, 8 Bar, 0.6 to 80 LPM, Port Size 25.4mm, FSVPLC Series

SENSATA / CYNERGY3

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1+ ¥19,267.16 (¥21,193.88) 5+ ¥18,622.84 (¥20,485.12) 10+ ¥17,978.52 (¥19,776.37) 25+ ¥17,334.20 (¥19,067.62) 50+ ¥16,689.88 (¥18,358.87) 100+ ¥16,045.55 (¥17,650.11) More Pricing...

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SPST - - 0.6l/min - 8bar - - - 1mA 5V - - Liquid 1" BSP - Brass - -
FTMG-ISD20AXX
FTMG-ISD20AXX - FLOW SENSORS FTMG

4411838

FLOW SENSORS FTMG

SICK

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1+ ¥177,307.47 (¥195,038.22) 5+ ¥173,761.33 (¥191,137.46) 10+ ¥170,215.18 (¥187,236.70) 25+ ¥166,669.03 (¥183,335.93) 50+ ¥163,122.88 (¥179,435.17)

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- - - - - - - - - - - - - - - - - - - -
FSU34A
FSU34A - Flow Switch, 3.75 lpm, 10 bar, FSU Series, 3/4

3677869

Flow Switch, 3.75 lpm, 10 bar, FSU Series, 3/4" NPT

SENSATA / CYNERGY3

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1+ ¥4,728.26 (¥5,201.09) 5+ ¥4,639.35 (¥5,103.29) 10+ ¥4,550.43 (¥5,005.47) 25+ ¥4,447.69 (¥4,892.46) 50+ ¥4,344.94 (¥4,779.43) 100+ ¥4,327.38 (¥4,760.12) 500+ ¥4,309.82 (¥4,740.80) More Pricing...

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SPST - - 3.75l/min - 10bar - - - 600mA 240V - 120V Liquid 1/2" NPT - Acetal 10bar -20°C
V4-SS-2-D-U
V4-SS-2-D-U - Vane Operated Flow Switch, 2000 psi, 1-1/2

4285454

Vane Operated Flow Switch, 2000 psi, 1-1/2" MNPT, 316 Stainless Steel, Flotect V4 Series

DWYER

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1+ ¥320,234.55 (¥352,258.01)

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DPDT - - - - 2000psi - - - 10A 250V - - Alcohol, Argon, Nitrogen, Oil, Water 1-1/2" NPT Male 1.5 to 20" 316 Stainless Steel - -20°C
V8-WP
V8-WP - Vane Operated Flow Switch, 150 psi, 1

4285473

Vane Operated Flow Switch, 150 psi, 1" MNPT, Weatherproof, Flotect V8 Series

DWYER

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1+ ¥75,972.64 (¥83,569.90)

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SPDT - - - - 150psi - - - 5A - - 30V Alcohol, Argon, Nitrogen, Oil, Water 1" NPT Male 1 to 6" PPS (Polyphenylene Sulfide) - -
P2-12
P2-12 - FLOW SWITCH FOR LIQUIDS,ACTUATION SET P

4288916

FLOW SWITCH FOR LIQUIDS,ACTUATION SET P

DWYER

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1+ ¥48,582.83 (¥53,441.11)

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- - - - - - - - - - - - - - - - - - - -
V10
V10 - Flow Switch, Mini Size, 1000 psi, 24 VDC, 1/2

4285446

Flow Switch, Mini Size, 1000 psi, 24 VDC, 1/2" MNPT, Brass, Flotect V10 Series

DWYER

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1+ ¥47,044.98 (¥51,749.48)

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SPST-NO, SPST-NC - - - - 1000psi - - - 1.5A - - 24V Alcohol, Argon, Nitrogen, Oil, Water 1/2" NPT Male 1/2 to 2" Brass 1000psi -
DTT31-A1A111AE2AAB
DTT31-A1A111AE2AAB - FLOW SWITCH

4569850

FLOW SWITCH

ENDRESS+HAUSER

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1+ ¥58,083.95 (¥63,892.35) 5+ ¥56,922.28 (¥62,614.51) 10+ ¥55,760.60 (¥61,336.66) 25+ ¥54,598.92 (¥60,058.81) 50+ ¥53,437.24 (¥58,780.96) 100+ ¥52,275.56 (¥57,503.12) More Pricing...

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- - - - - - - - - - - - - - - - - - - -
DTT31-A1C111AE2AAB
DTT31-A1C111AE2AAB - Flow Switch, 100bar, Liquid, Current/PNP, G1/2 Male Thread, 18 to 30VDC, Flowphant T DTT31 Series

4354536

Flow Switch, 100bar, Liquid, Current/PNP, G1/2 Male Thread, 18 to 30VDC, Flowphant T DTT31 Series

ENDRESS+HAUSER

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1+ ¥65,220.91 (¥71,743.00)

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Flow Switch Flow Switch - - - 100bar 18VDC 30VDC - 250A - Current, PNP - Liquid G1/2 Threaded - PBT (Polybutylene Terephthalate) - -20°C
DTT35-A1C111DB2BAB
DTT35-A1C111DB2BAB - Flow Switch, LCD Display, 50mm, Liquid, Current/PNP, Clamp, 30VDC, Flowphant T DTT35

4354541

Flow Switch, LCD Display, 50mm, Liquid, Current/PNP, Clamp, 30VDC, Flowphant T DTT35

ENDRESS+HAUSER

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1+ ¥71,408.64 (¥78,549.50) 5+ ¥69,980.47 (¥76,978.52) 10+ ¥68,552.30 (¥75,407.53) 25+ ¥67,124.13 (¥73,836.54) 50+ ¥65,695.95 (¥72,265.55) 100+ ¥65,049.51 (¥71,554.46) More Pricing...

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Flow Switch Flow Switch - - - 100bar 18VDC 30VDC - 250A - Current, PNP - Liquid G1/2 Threaded - PBT (Polybutylene Terephthalate) - -20°C