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 0.5GPMNormally Closed-150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€203.29
AFS-150 NC 1.0GPMNormally Closed1 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€179.33
AFS-150 NO 1.0GPMNormally Open1 GPM200 psiPolypropyleneSPST1/2"NPTPolypropylene€203.29
AFS-150 NO 3.0GPMNormally Open3 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€203.29
AFS-150 NO 0.5GPMNormally Open0.5 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€230.39
AFS-150 NO 2.0GPMNormally Open2 GPM150 psi, 200 psiPolypropyleneSPST1/2"NPTPolypropylene€193.69
GEMS SENSORS -

FS-200 Series Flow Switches

StyleModelHousing MaterialConnection SizeMin. Flow RateMax. Flow RateMax. PressureMedia Temp. RangeMax. Ambient Temp.HeightPrice
AFS-200 26616Bronze1"5 GPM15 GPM400 psi-20°F to +200°F200°F3"€515.21
AFS-200 26615Bronze1"1 GPM6 GPM400 psi-20°F to +200°F200°F3"€490.99
AFS-200 26838Bronze1"2 GPM8 GPM400 psi-20°F to +200°F200°F3"€490.99
BFS-10798 25364Epoxy, Stainless Steel, Viton1/2"0.5 GPM20 GPM1000 psi-20°F to +300°F300°F2"€1,510.32
StyleModelConnection SizeMin. Flow RateMax. Flow RateMax. PressureMedia Temp. RangeOverall WidthSwitch TypeConnection TypePrice
ARFS 1816881"8 GPM60 GPM200 psi-20°F to +212°F3.9"SPDTFNPT€627.68
ARFS 1562681/2"4 GPM20 GPM200 psi-20°F to +212°F3"SPDTFNPT€675.99
ARFS 1554851/2"4 GPM20 GPM100 psi-20°F to +180°F3.1"SPDTFNPT€524.98
ARFS 1562651/4"0.5 GPM5 GPM200 psi-20°F to +212°F3"SPDTFNPT€676.10
ARFS 1554251/4"0.5 GPM5 GPM100 psi-20°F to +180°F3.1"SPDTFNPT€511.20
ARFS 1803953/4"5 GPM30 GPM200 psi-20°F to +212°F3.9"SPDTFNPT€576.77
StyleModelHousing MaterialSwitch TypeConnection SizeConnection TypeMin. Flow RateMax. Flow RateMin. Ambient Temp.Max. PressurePrice
AFS-10798 25365BrassSPDT1/2"FNPT0.5 GPM20 GPM-20°F1000 psi€905.06
AFS-10798 25366Epoxy, Stainless Steel, VitonSPDT1/2"FNPT0.5 GPM20 GPM-20°F1000 psi€1,233.44
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€755.75
BFS-550 2960924-240VSPDT1"NPT1 1/2"15 GPM52 GPM-30°F€510.83
StyleModelMin. Flow RateMax. Flow RateHousing MaterialSwitch TypeConnection SizeConnection TypeMin. Ambient Temp.Max. PressurePrice
AFS-400 266000.75 GPM4 GPMBronzeSPDT3/4"FNPT-20°F400 psi€524.03
AFS-400 266012 GPM8 GPMBronzeSPDT3/4"FNPT-20°F400 psi€442.81
AFS-400 266027 GPM14 GPMBronzeSPDT3/4"FNPT-20°F400 psi€422.02
StyleModelMin. Flow RateMax. Flow RateSwitch TypeSwitch PositionConnection SizeConnection TypeMin. Ambient Temp.Max. PressurePrice
AFS-500 1702310 GPM0.25 GPMSPSTNormally Open3/4"FNPT0°F100 psi€666.84
AFS-500 1702330 GPM1 GPMSPSTNormally Open3/4"FNPT0°F100 psi€156.49
AFS-500 1702320 GPM0.5 GPMSPSTNormally Open3/4"FNPT0°F100 psi€189.76
AFS-500 1702341 GPM2.5 GPMSPSTNormally Open3/4"FNPT0°F100 psi€189.76
AFS-500 1751171 GPM2 GPMSPSTNormally Open3/4"FNPT0°F100 psi€167.44
AFS-500 1702351 GPM5 GPMSPSTNormally Open3/4"FNPT0°F100 psi€189.76
StyleModelMax. Flow RateMedia Temp. RangeSwitch TypeConnection SizeConnection TypeMin. Flow RateMin. Ambient Temp.Max. PressurePrice
AFS-926 269380.013 GPM-20°F to +225°FSPDT1/4"FNPT0 GPM-20°F1000 psi€503.09
AFS-926 269420.013 GPM-20°F to +225°FSPDT1/4"FNPT0 GPM-20°F1000 psi€479.44
AFS-926 269510.025 GPM-20°F to +300°FSPDT1/4"FNPT0 GPM-20°F1000 psi€786.27
AFS-926 269390.045 GPM-20°F to +225°FSPDT1/4"FNPT0 GPM-20°F1000 psi€479.44
AFS-926 269410.065 GPM-20°F to +225°FSPDT1/4"FNPT0 GPM-20°F1000 psi€570.17
AFS-926 269560.075 GPM-20°F to +300°FSPDT1/4"FNPT0 GPM-20°F1000 psi€753.13
AFS-926 269521 GPM-20°F to +225°FSPDT1/4"FNPT0 GPM-20°F1000 psi€786.27
StyleModelSwitch PositionMin. Flow RateMax. Flow RateHousing MaterialSwitch TypeConnection SizeConnection TypeMin. Ambient Temp.Price
AFS-927 70826Normally Closed0 GPM0.1 GPMBrassSPST1/4"FNPT-20°F€215.49
AFS-927 70827Normally Closed0 GPM0.25 GPMBrassSPST1/4"FNPT-20°F€175.03
AFS-927 70828Normally Closed0 GPM0.5 GPMBrassSPST1/4"FNPT-20°F€215.49
AFS-927 70829Normally Closed0 GPM0.75 GPMBrassSPST1/4"FNPT-20°F€175.03
AFS-927 70830Normally Closed0 GPM1 GPMBrassSPST1/4"FNPT-20°F€215.49
AFS-927 70831Normally Closed1 GPM1.5 GPMBrassSPST1/4"FNPT-20°F€204.17
AFS-927 70820Normally Open0 GPM0.1 GPMBrassSPST1/4"FNPT-20°F€215.49
AFS-927 70822Normally Open0 GPM0.5 GPMBrassSPST1/4"FNPT-20°F€256.37
AFS-927 70825Normally Open1 GPM1.5 GPMBrassSPST1/4"FNPT-20°F€226.21
AFS-927 70821Normally Open0 GPM0.25 GPMBrassSPST1/4"FNPT-20°F€226.21
AFS-927 70823Normally Open0 GPM0.75 GPMBrassSPST1/4"FNPT-20°F€206.33
GEMS SENSORS -

FS-380 Series Flow Switch

StyleModelSwitch TypeConnection TypeMin. Flow RateMax. Flow RateMin. Ambient Temp.Max. PressureMedia Temp. RangeMax. Ambient Temp.Price
AFS-380P 197083SPSTNPT0 GPM1 GPM0°F125 psi0°F to +212°F212°F€142.06
BFS-380 193482SPSTNPT0 GPM0.15 GPM-20°F1500 psi-20°F to +275°F275°F€634.05
AFS-380P 197084SPSTNPT1 GPM1.5 GPM0°F125 psi0°F to +212°F212°F€133.41
BFS-380 179992SPSTNPT0 GPM0.25 GPM-20°F1500 psi-20°F to +275°F275°F€577.87
CFS-380 168432SPSTNPT0 GPM0.25 GPM-20°F1500 psi-20°F to +275°F275°F€260.83
CFS-380 168433SPSTNPT0 GPM0.5 GPM-20°F1500 psi-20°F to +275°F275°F€257.36
CFS-380 181130SPSTNPT0 GPM0.15 GPM-20°F1500 psi-20°F to +275°F275°F€277.48
AFS-380P 209876SPSTNPT0 GPM0.15 GPM0°F125 psi0°F to +212°F212°F€133.41
AFS-380P 197082SPST, Normally OpenNPT0 GPM0.5 GPM0°F125 psi0°F to +212°F212°F€133.41
AFS-380P 197085SPST, Normally OpenNPT1 GPM2 GPM0°F125 psi0°F to +212°F212°F€142.06
CFS-380 168434SPST, Normally OpenNPT0 GPM1 GPM-20°F1500 psi-20°F to +275°F275°F€277.48
CFS-380 178353SPST, Normally OpenNPT1 GPM2 GPM-20°F1500 psi-20°F to +275°F275°F€277.48
AFS-380P 197081SPST, Normally OpenNPT0 GPM0.25 GPM0°F125 psi0°F to +212°F212°F€133.41
BFS-380 179995SPST, Normally OpenNPT1 GPM5 GPM-20°F1500 psi-20°F to +275°F275°F€554.31
CFS-380 168435SPST, Normally OpenNPT1 GPM1.5 GPM-20°F1500 psi-20°F to +275°F275°F€277.48
BFS-380 179993SPST, Normally OpenMNPT---20°F1500 psi-20°F to +275°F275°F€555.15
BFS-380 179996SPST, Normally OpenNPT1 GPM2 GPM-20°F1500 psi-20°F to +275°F275°F€554.31
GEMS SENSORS -

FS-4 Series Flow Switch

StyleModelSwitch TypeMin. Flow RateMax. Flow RateHousing MaterialConnection SizeConnection TypeMin. Ambient Temp.Max. PressurePrice
AFS-4 122353SPDT1 GPM0.25 GPMPolyphenylene Sulfide9/16"UNF0°F250 psi€263.42
AFS-4 122355SPDT1 GPM0.75 GPMPolyphenylene Sulfide9/16"UNF0°F250 psi€200.04
AFS-4 122352SPDT0 GPM0.1 GPMPolyphenylene Sulfide9/16"UNF0°F250 psi€245.27
AFS-4 122356SPDT0 GPM0.5 GPMPolyphenylene Sulfide9/16"UNF0°F250 psi€216.41
AFS-4 122354SPST0 GPM0.5 GPMPolyphenylene Sulfide9/16"UNF0°F250 psi€221.92
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€697.96
A230500-4-201 1/2"1 GPM3.86 GPM-14°-Stainless SteelSPSTNormally Open-
RFQ
A230500-3-601"1 GPM4.34 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€791.02
A230500-3-401"1 GPM3 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€625.68
A230500-3-201"1 GPM1.65 GPM-14°1 1/2"Stainless SteelSPSTNormally Open-
RFQ
A230500-3-51"0 GPM0.64 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€697.96
A230500-1-601/2"1 GPM1.34 GPM-14°1.1"Stainless SteelSPSTNormally Open€655.71
A230500-1-201/2"0 GPM0.46 GPM-14°1.1"Stainless SteelSPSTNormally Open€664.87
A230500-2-603/4"1 GPM2.79 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€697.96
A230500-2-53/4"0 GPM0.35 GPM-14°1 1/2"Stainless SteelSPSTNormally Open€625.68
A230500-2-403/4"1 GPM1.9 GPM-14°-Stainless SteelSPSTNormally Open€678.74
A230500-2-203/4"1 GPM1.01 GPM-14°F1 1/2"Stainless SteelSPSTNormally Open€668.56