GEMS SENSORS Flow Switches

Stainless-steel, brass, bronze, polypropylene and Ryton flow switches designed to control the flow of liquids, gases or steam. Feature a maximum fluid temperature of 300 degrees F, and can withstand a maximum pressure of 2000 psi

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GEMS SENSORS -

FS-150Series Flow Switch

StyleModelSwitch PositionMax. Flow RateMax. PressureHousing MaterialSwitch TypeConnection SizeConnection TypeSwitch EnclosurePrice
AFS-150 NC 1.0GPMNormally Closed1 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€209.22
AFS-150 NC 0.5GPMNormally Closed0.5 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€254.98
AFS-150 NO 0.5GPMNormally Open0.5 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€254.98
AFS-150 NO 3.0GPMNormally Open3 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€254.98
AFS-150 NO 2.0GPMNormally Open2 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€242.95
AFS-150 NO 1.0GPMNormally Open1 GPM200 psiPolypropyleneSPST1/2"NPTPolypropylene€254.98
GEMS SENSORS -

FS-380 Series Flow Switch

StyleModelSwitch TypeConnection TypeMin. Flow RateMax. Flow RateMin. Ambient Temp.Max. PressureMax. Ambient Temp.Overall WidthPrice
AFS-380 181130SPSTNPT0 GPM0.15 GPM-20°F1500 psi275°F0.9"€312.15
AFS-380 178353SPSTNPT1 GPM2 GPM-20°F1500 psi275°F0.9"€312.15
AFS-380 168432SPSTNPT0 GPM0.25 GPM-20°F1500 psi275°F0.9"€293.45
AFS-380 168434SPSTNPT0 GPM1 GPM-20°F1500 psi275°F0.9"€312.15
AFS-380 168433SPSTNPT0 GPM0.5 GPM-20°F1500 psi275°F0.9"€289.54
BFS-380P 197082SPSTNPT0 GPM0.5 GPM0°F125 psi212°F4/5"€150.09
AFS-380 168435SPSTNPT1 GPM1.5 GPM-20°F1500 psi275°F0.9"€312.15
BFS-380P 197084SPSTNPT1 GPM1.5 GPM0°F125 psi212°F4/5"€150.09
BFS-380P 197085SPSTNPT1 GPM2 GPM0°F125 psi212°F4/5"€159.83
CFS-380 193482SPSTNPT0 GPM0.15 GPM-20°F1500 psi275°F0.9"€665.79
BFS-380P 197081SPSTNPT0 GPM0.25 GPM0°F125 psi212°F4/5"€150.09
BFS-380P 209876SPSTNPT0 GPM0.15 GPM0°F125 psi212°F4/5"€150.09
CFS-380 179996SPSTNPT1 GPM2 GPM-20°F1500 psi275°F0.9"€706.75
CFS-380 179992SPSTNPT0 GPM0.25 GPM-20°F1500 psi275°F0.9"€687.68
BFS-380P 197083SPSTNPT0 GPM1 GPM0°F125 psi212°F4/5"€159.83
CFS-380 179995SPST, NONPT1 GPM5 GPM-20°F1500 psi275°F0.9"€706.75
CFS-380 179993SPST, NOMNPT---20°F1500 psi275°F-€601.34
GEMS SENSORS -

FS-4 Series Flow Switch

StyleModelSwitch TypeMin. Flow RateMax. Flow RateHousing MaterialConnection SizeConnection TypeMin. Ambient Temp.Max. PressurePrice
AFS-4 122352SPDT0 GPM0.1 GPMPPS9/16"UNF0°F250 psi€271.46
AFS-4 122353SPDT1 GPM0.25 GPMPPS9/16"UNF0°F250 psi€291.56
AFS-4 122355SPDT1 GPM0.75 GPMPPS9/16"UNF0°F250 psi€250.91
AFS-4 122356SPDT0 GPM0.5 GPMPPS9/16"UNF0°F250 psi€271.46
AFS-4 122354SPST0 GPM0.5 GPMPPS9/16"UNF0°F250 psi€278.38
StyleModelMin. Flow RateMax. Flow RateHousing MaterialSwitch TypeSwitch PositionConnection SizeConnection TypeMin. Ambient Temp.Price
AFS-500 1702310 GPM0.25 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€780.68
AFS-500 1702320 GPM0.5 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€210.02
AFS-500 1702330 GPM1 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€196.31
AFS-500 1751171 GPM2 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€210.02
AFS-500 1702341 GPM2.5 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€210.02
AFS-500 1702351 GPM5 GPMPolypropyleneSPSTNormally Open3/4"FNPT0°F€210.02
StyleModelMax. Flow RateSwitch TypeConnection SizeMin. Flow RateConnection TypeHousing MaterialMin. Ambient Temp.Max. PressurePrice
AFS-926 269420.013 GPMSPDT1/4"0 GPM---20°F1000 psi€601.40
AFS-926 269380.013 GPMSPDT1/4"0 GPMFNPTBrass-20°F1000 psi€631.04
AFS-926 269510.025 GPMSPDT1/4"0 GPMFNPTBrass-20°F1000 psi€920.53
AFS-926 269390.045 GPMSPDT1/4"0 GPMFNPTBrass-20°F1000 psi€601.40
AFS-926 269410.065 GPMSPDT1/4"0 GPMFNPTBrass-20°F1000 psi€631.04
AFS-926 269560.075 GPMSPDT1/4"0 GPMFNPT--20°F1000 psi€881.72
AFS-926 269521 GPMSPDT1/4"0 GPMFNPTBrass-20°F1000 psi€920.53
StyleModelSwitch PositionMin. Flow RateMax. Flow RateHousing MaterialConnection SizeConnection TypeSwitch TypeMin. Ambient Temp.Price
AFS-927 70827Normally Closed0 GPM0.25 GPMBrass1/4"FNPTSPST-20°F€229.62
AFS-927 70828Normally Closed0 GPM0.5 GPMBrass1/4"FNPTSPST-20°F€270.31
AFS-927 70829Normally Closed0 GPM0.75 GPMBrass1/4"FNPTSPST-20°F€229.62
AFS-927 70830Normally Closed0 GPM1 GPMBrass1/4"FNPTSPST-20°F€270.31
AFS-927 70831Normally Closed1 GPM1.5 GPMBrass1/4"FNPT--20°F€247.93
AFS-927 70826Normally Closed0 GPM0.1 GPMBrass1/4"FNPTSPST-20°F€270.31
AFS-927 70820Normally Open0 GPM0.1 GPMBrass1/4"FNPTSPST-20°F€270.31
AFS-927 70821Normally Open0 GPM0.25 GPMBrass1/4"FNPTSPST-20°F€283.76
AFS-927 70822Normally Open0 GPM0.5 GPMBrass1/4"FNPTSPST-20°F€283.76
AFS-927 70823Normally Open0 GPM0.75 GPMBrass1/4"FNPTSPST-20°F€258.80
AFS-927 70825Normally Open1 GPM1.5 GPMBrass1/4"FNPTSPST-20°F€283.76
StyleModelConnection SizeMin. Flow RateMax. Flow RateMin. Ambient Temp.Overall WidthHousing MaterialSwitch TypeSwitch PositionPrice
A230500-4-51 1/2"1 GPM5 GPM-14°2.3"Stainless SteelSPSTNormally Open€817.12
A230500-3-51"0 GPM0.64 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€817.12
A230500-3-401"1 GPM3 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€766.11
A230500-3-601"1 GPM4.34 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€817.12
A230500-1-201/2"0 GPM0.46 GPM-14°1.1"Stainless SteelSPSTNormally Open€807.22
A230500-1-601/2"1 GPM1.34 GPM-14°1.1"Stainless SteelSPSTNormally Open€802.88
A230500-2-53/4"0 GPM0.35 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€766.11
A230500-2-203/4"1 GPM1.01 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€782.72
A230500-2-403/4"1 GPM1.9 GPM-14°-Stainless SteelSPSTNormally Open€769.24
A230500-2-603/4"1 GPM2.79 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€817.12
GEMS SENSORS -

FS-550 Series Flow Switches

StyleModelVoltageSwitch TypeConnection SizeConnection TypeFor Pipe SizeMin. Flow RateMax. Flow RateMin. Ambient Temp.Price
AFS-550 2960820V ACSPDT1"NPT1 1/2"15 GPM52 GPM-30°F€780.68
BFS-550 2960924-240VSPDT1"NPT1 1/2"15 GPM52 GPM-30°F€565.39
StyleModelMin. Flow RateMax. Flow RateHousing MaterialSwitch TypeConnection SizeConnection TypeMin. Ambient Temp.Max. PressurePrice
AFS-400 266000.75 GPM4 GPMBronzeSPDT3/4"FNPT-20°F400 psi€580.00
AFS-400 266012 GPM8 GPMBronzeSPDT3/4"FNPT-20°F400 psi€555.45
AFS-400 266027 GPM14 GPMBronzeSPDT3/4"FNPT-20°F400 psi€529.38
StyleModelSwitch TypeConnection SizeConnection TypeMin. Flow RateMax. Flow RateHousing MaterialMin. Ambient Temp.Max. PressurePrice
AFS-10798 25365SPDT1/2"FNPT0.5 GPM20 GPMBrass-20°F1000 psi€935.11
AFS-10798 25366SPDT1/2"FNPT0.5 GPM20 GPM--20°F1000 psi€1,443.93
GEMS SENSORS -

FS-200 Series Flow Switches

StyleModelConnection SizeMin. Flow RateMax. Flow RateMax. PressureMax. Ambient Temp.HeightMax. Filter RatingOverall HeightPrice
AFS-200 266151"1 GPM6 GPM400 psi200°F3"150 µm3"€543.42
AFS-200 266161"5 GPM15 GPM400 psi200°F3"150 µm3"€570.23
AFS-200 268381"2 GPM8 GPM400 psi200°F3"150 µm3"€543.42
BFS-10798 253641/2"0.5 GPM20 GPM1000 psi300°F2"50 µm2"€1,560.15
StyleModelHousing MaterialConnection SizeMin. Flow RateMax. Flow RateDc Contact RatingMax. PressureMax. Ambient Temp.Overall WidthPrice
ARFS 156265Brass1/4"0.5 GPM5 GPM20 Ma @ 24V200 psi150°F3"€698.43
ARFS 156268Brass1/2"4 GPM20 GPM20 Ma @ 24V200 psi150°F3"€698.30
ARFS 180395Brass3/4"5 GPM30 GPM20 Ma @ 24V200 psi150°F3.9"€675.25
ARFS 181688Brass1"8 GPM60 GPM20mA @ 24V200 psi150°F3.9"€734.86
ARFS 155425Polypropylene1/4"0.5 GPM5 GPM20 Ma @ 24V100 psi180°F3.1"€565.78
ARFS 155485Polypropylene1/2"4 GPM20 GPM20 Ma @ 24V100 psi180°F3.1"€581.03