McDonnell & Miller FS1 low flow, inline, diaphragm flow switch

  • Adjustable alarm set-point
  • Brass body
  • R½" (BSPT) or NPT thread.
  • Unique diaphragm principle
  • Compact size
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McDonnell & Miller FS1-W low flow, inline, diaphragm flow switch with weatherproof enclosure

  • Adjustable alarm set-point
  • Brass body
  • ½" BSPT or NPT thread.
  • Unique diaphragm principle
  • Compact size
  • NEMA 4X (~IP65) type housing
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McDonnell & Miller FS6 low flow, inline, diaphragm flow switch

  • General purpose applications
  • Very low flows detected
  • Brass bodies
  • Process connection: ¾" or 1" BSPT or NPT female thread
  • Adjustable sensitivity
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McDonnell & Miller FS6-W low flow, inline, diaphragm flow switch with weatherproof enclosure

  • General purpose applications
  • Very low flows detected
  • Brass bodies
  • Process connection: ¾" or 1" BSPT or NPT female thread
  • Adjustable sensitivity
  • Enclosure: NEMA 4X (>IP65) type housing
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Eletta S series flow sensor with gauge & switches

  • Extremely durable & long lasting flow sensor
    • Purely mechanical (requires no power)
  • Large gauge (Ø120mm) indication of flow rate
    • Direct reading / customised dials available
  • Process connection: DN15»40 threads (BSPP or NPT) or DN15»500 DIN / ANSI wafer flanges
  • Flow range: varies depending on size of pipe section - refer datasheet
    • 0.4 » 25,000L/min
  • Repeatability: <2% actual
  • Output: standard S2x: 2 x independently adjustable SPDT relays; standard S0x: gauge only
  • Enclosure: we stock IP65 standard but IP43 available also 
  • We carry stock & spare parts to build / repair most common variations.  e.g. S2-GL15, S2-GL25, S2-FA50, S25-GL15, S25-GL25, S25-FA50 & more.
  • NEW! Upgrade your existing flow switch / indicator to a Combo Unit & get 4-20mA analogue output - ask us how.
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Eletta V series flow switch

  • Extremely durable & long lasting flow switch
  • Purely mechanical - requires no power to operate
  • Process connection: DN15»40 threads (BSPP or NPT) or DN15»500 DIN / ANSI wafer flanges
  • Flow range: varies depending on size of pipe section - refer datasheet
    • 0.4 » 25,000L/min
  • Repeatability: <2% actual
  • Output: standard independently adjustable SPDT micro switch
  • Enclosure: we stock IP65 standard but IP43 available also 
  • We carry stock & spare parts to build / repair most common variations.  e.g. V15-GL15, V15-GL25, V15-GL40.
  • NEW! with flow indication window - completely reverse compatible!
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Eletta D series flow meter, totaliser & switch

  • Newest in the Classic range
  • Uses common pipe sections and can be used to upgrade other of the Eletta Classic controllers
  • Programmable, digital back-lit display that can be rotated electronically through 360°
  • Multipoise installation of instrument
  • Isolated 4 - 20mA output linear to flow
  • Frequency output 200 - 1000Hz, linear to flow
  • 2 independent relay outputs for alarms
  • Resettable totaliser function
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McDonnell & Miller FS4-3T inline paddle flow switch with tee piece

  • Brass body
  • ¾" & 1" NPT thread
  • Low, medium & high flow types
  • Adjustable "flow" setting
  • Eliminates pipe tee
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Gems Sensors RFS (RotorFlow) paddle wheel flow switch

  • Paddle wheel flow switch for visual flow indication & flow alarm
    • Hall effect sensor
  • Materials: polypropylene, brass or stainless steel body
  • Media: dependent on body type
    • -29 » 100°C (65°C ambient), up to 13bar
    • Viscosity: <200SSU
  • Process connections: ¼, ½, ¾ & 1” BSPP (G type) or NPT thread
  • Output: SPDT, relay
  • Supply: 24Vdc or 115vac
  • Electrical connection: 24" cable
  • Range: dependent on port size
    • Flow: 0.38 » 76L/min (0.1 » 20GPM)
  • Typical stocked units include: 155425, 155485BSPP, 181688
    • Note: repair kits available for some models
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AW-Lake FlowStat ES economical paddle wheel flow meter

  • Low cost polycarbonate paddle wheel flow meter for inline flow sensing of liquids.
  • Wetted mat'ls: polypropylene, polycarbonate, Buna-N, acetal copolymer, PEEK, SS
  • Media: -6 » 65°C, up to 150PSIg (~10bar)
  • Flow range: set as a 10:1 turn-down ratio of the chosen maximum flow rate
    • 2 » 56L/min (0.5 » 15USGPM)     or
    • 1 » 17L/min (0.25 » 4.5USGPM) with optional low-flow adapter
  • Process connections: ½" NPT
  • Supply: 12»24VDC
  • Output: choice of 4-20mA, pulse, voltage or relay (Form C)
  • Electrical connection: 120" (3m) cable, IP65 (weatherproof)
  • Filtration: recommended 150 micron filter
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AW-Lake FlowStat paddle wheel flow meter

  • Stainless steel paddle wheel flow meter for inline flow sensing of liquids.
  • Wetted mat'ls:316SS, polycarbonate, Buna-N, Acetal Copolymer & PEEK
    • Optional: 3166SS cover and EPR or FKM seals.
  • Media:-6 » 65°C, up to 200PSIg (~14bar)
    • Optional: up to 500PSIg (~34 bar) with 316SS cover
  • Process connections: ½", ¾" or 1" NPT
  • Flow range: dependent on port size - set as a 10:1 turn-down ratio of the chosen maximum flow rate
    • ½": 18 » 56L/min (5 » 15USGPM) or 1 » 17L/min (0.25 » 4.5USGPM) with optional low-flow adapter
    • ¾" & 1": 56 » 190L/min (15 » 50USGPM)
  • Supply: 12»24VDC
  • Output:choice of 4-20mA, pulse, voltage or relay (Form C)
    • Optional: temperature on voltage models
  • Electrical connection: 120" (3m) cable, IP65 (weatherproof)
  • Filtration: recommended 150 micron filter
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Gems Sensors FS-105E & FS-107E in-line adjustable flow switch

  • Piston type, in-line flow switch
  • Wetted materials: nickel plated brass, brass & stainless steel
  • Process connections: G¼", ½" & 1" (BSPP) female thread
  • Output: SPST, NO or SPDT switches (reed switches)
    • Models available with visual flow indication
  • Adjustable ranges: models for 0.005 » 90L/min
    • Viscosity compensated models available for oil applications
    • Maximum flow 100% above max. set point
  • Temperature: -20 » 120°C
  • Pressure: 250bar
  • Enclosure: DIN 43650 plug with mating connector (IP65)
  • Mount in any orientation with minimum flow conditioning before or after the switch
  • Stocked models include:
    • FS-105E: 027-0104, 027-0110, 027-0111, 027-0113, 027-0114 & 027-0130
    • FS-107E: 027-0301, 027-0302, 027-0303, 027-0309 & 027-0312
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Gems Sensors FS-3 compact in-line flow switch

  • Noryl (R) body
  • Piston type sensor
  • G¼” BSPP fitting ( ¼” NPT available )
  • SPST NO Reed Switch 20VA, 0-240VAC/DC
  • 0.19 – 3.78 L/min settings
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Gems Sensors FS-380P in-line, plastic, flow switch

  • Polypropylene body
  • Piston type sensor
  • 3/8” NPTM fitting ( adaptors available )
  • SPST NO Reed Switch 10VA, 0-240VAC/DC
  • 0.95 – 7.57 Litres/min settings
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McDonnell & Miller FS5 piston flow switch

  • Brass body
  • ¾" or 1" BSPT or NPT
  • Stainless steel body 1" NPT
  • Single or dual switch
  • Adjustable alarm set-point
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Gems Sensors FS-380 compact in-line, high pressure, small flow switches

  • Brass or Stainless Steel body
  • Piston type sensor
  • 3/8” & 1/2” MNPT , 3/8” compression fitting
  • SPST NO Reed Switch 20VA, 0-240VAC/DC
  • 0.95 » 7.57 L/min settings
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Gems Sensors FS-4 compact, in-line, plastic flow switch

  • Ryton (R) body
  • Piston type sensor
  • 9/16”-18 UNF fitting ( 900)
  • SPST NO Reed Switch 20VA, 0-240VAC/DC
  • 0.38 – 5.67 Litres/min settings
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Gems Sensors FS-150 in-line flow switch

  • Polypropylene body
  • Piston type sensor
  • 1/2” MNPT fitting
  • SPST NO Reed Switch 20VA, 0-240VAC/DC
  • 2 – 18.5 Litres/min settings
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Gems Sensors FS-925 + FS-926 precision flow switches

  • Piston type flow switches for liquids & gases
  • Brass or 316SS body
  • Fixed set-points: precision calibrated
    • Accuracy: ±10%
    • FS-925 (general): 0.38 » 5.68L/min (liquid); 0.5 » 25SCFM (air)
    • FS-926 (low flow): 0.05 » 0.3L/min (liquid); 2 » 50SCFH (air);
    • Repeatability: ±1% F.S
    • Set point differential: 15% (max)
  • Process connection: ¼” NPTF thread
  • Output: SPDT, 20VA (reed switch)
  • Temperature: -29 » 107°C (other available)
  • Pressure:  69bar (1,000PSIg)
  • Enclosure: lead wires (not weatherproof / IP65)
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Gems Sensors FS-927 compact, precision flow switch

  • Brass or 316 Stainless Steel body
  • Piston type sensor
  • 1/4” FNPT fitting
  • SPDT NO Reed Switch 20VA, 0-240VAC/DC
  • 0.38 – 5.67 Litres/min settings
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Gems Sensors FS-930 viscosity compensating oil flow switch

  • Brass body
  • Piston type sensor
  • 1/4” FNPT fitting
  • SPDT NO Reed Switch 20VA, 0-240VAC/DC
  • 0.38 – 75.67 Litres/min settings
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FS-10798 externally adjustable flow switch

  • Brass or Stainless Steel body
  • Piston type sensor
  • 1/2” FNPT fitting
  • SPDT NO Reed Switch 20VA, 0-240VAC/DC
  • 1.89 – 75.7 Litres/min settings
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Gems Sensors FS-100 & FS-100E in-line, adjustable flow switch

  • Brass body
  • Piston type sensor
  • 3/8” BSPT fitting
  • SPST NO or NC Reed Switch 40VA, 2A, 240VAC
  • 2 – 15 Litres/min pre- settings ( FS-100E )
  • 1-16 Litres/min adjustable setting ( FS-100E-A )
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FS-200 & FS-200E in-line, heavy duty flow switch with fixed setpoints

  • Choice of set points (water) from:
    • 0.5 » 100GPM (1.9 » 378.5L/min)
    • 1% repeatability
    • ±10% accuracy
    • 15% differential (hysteresis)
  • Bronze or 316SS body
  • Shuttle type sensor
  • Connection: 1”, 1¼”, 1½”, 2” NPTF or G1" fitting
  • Switch: SPDT, 20VA reed switch
  • Media: -29»148°C, 400PSIg (27.6bar)
  • Optional aluminium or 316SS junction box (IP65) with pre-wired terminal strip - 240Vac version available with lock-out screw
  • Repair kits also available
  • Stocked versions:
    • FS-200: 27051, 27053, 27054, 27055, 27056, 27057, 27059, 27060, 27061, 27062, 27064, 27085
    • FS-200E: 020-2407, 020-3481, 020-0783, 020-0799
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FS-200A & FS-200E-A in-Line, heavy duty flow switch with adjustable setpoints

Choice of adjustable setpoints (water):

    • 1»6GPM (3.8»22.7L/min), 5»15 (18.9»56.7L/min) or 2»8GPM (7.5»30.2L/min)
    • 1% repeatability
    • ±10% accuracy
    • 15% differential (hysteresis)
  • Bronze or 316SS body
  • Shuttle type sensor
  • Connection: G1" or 1” NPTF fitting
  • Switch: SPDT, 20VA reed switch
  • Media: -29»93°C, 400PSIg (27.6bar)
  • Stocked versions available
  • Optional aluminium or 316SS junction box (IP65) with pre-wired terminal strip - 240Vac version available with lock-out screw
  • Stocked versions:
    • FS-200A: 26615, 26616, 26838
    • FS-200E-A: 020-2416, 020-2417, 020-2418
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Eletta SP-G in-line flow switch

  • In-line, rugged shuttle type flow switch
  • Immune to magnetic fields
  • Available in water & oil configurations
  • Orientation: vertical or horizontal with minimal flow conditioning
  • Process connection: G½", ¾"
  • Adjustable range: 1.5 » 30L/min
    • Flow velocity: 0 » 3.5m/sec
  • Output: SPDT microswitch
  • Temperature: -20 » 90°C (others available)
  • Pressure: 25bar
  • Enclosure: IP43
  • Stocked models: SP-G15 (oil & water); SP-G20 (oil & water)
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Eletta SP-GA in-line, adjustable flow switch

  • In-line, rugged shuttle type flow switch
  • Low flow set-point with high flow capacity with low pressure drop
  • Immune to magnetic fields
  • Available in water & oil configurations
  • Orientation: vertical or horizontal with minimal flow conditioning
  • Process connection: G1, 1½" (BSPP)
  • Adjustable range: 3 » 70L/min
    • Flow range: 0 » 300L/min
  • Output: SPDT microswitch
  • Temperature: -20 » 90°C (others available)
  • Pressure: 25bar
  • Enclosure: IP43
  • Stocked models: SP-GA (oil & water) with 1½" process connection
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Gems Sensors FS-400 in-line, heavy duty adjustable flow switch

  • Heavy duty shuttle type, in-line flow switch
  • Bronze body
  • Refer to datasheet for pressure drop curves
  • Process connection: ¾” NPTF thread
  • Output: SPDT, 20VA (reed switch)
  • Fixed set-points: 2.8 » 37.8L/min
  • Adjustable ranges: 2.8 » 53 L/min
  • Temperature: -29 » 82°C
  • Pressure: 27bar (400PSIg)
  • Enclosure: flying leads (not weatherproof / IP65)
  • Optional, locally fitted weatherproof junction box (with pre-wired terminal strip) from aluminium or 316SS
  • Stocked models include: 26600, 26601 & 26602
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Gems Sensors FS-400P in-line plastic flow switch

  • In-line shuttle type flow switch
  • Clear PVC body
  • Process connection: ½” NPTF, ¾” IPS or 1” IPS
  • Output: SPST (20VA) normally open (@ no flow) reed switch
  • Fixed set-points: 1.9L/min (0.5GPM) or 7.6L/min (2GPM) with ±20% set point accuracy
  • Stocked models: 135805, 135810 & 135815
    • Repair kits also available
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Gems Sensors FS-500P in-line plastic flow switch

  • • Polypropylene body
  • • Shuttle type sensor
  • • 3/4” BSPP fitting
  • • SPST Reed Switch 20VA, 0-240VAC/DC
  • • 1, 2, 3.5, 10 & 18.5 Litres/min “flow” units
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Lake Monitors M style flow switch

  • Suitable for liquids, oils & gases
  • Choice of aluminium, brass or stainless steel pipe section (NOT glass) - high pressure (240 or 410 bar) & leak free
  • Spring loaded magnetic coupling means mount in any orientation with no flow conditioning required
  • Wide range of thread choices - BSPP (G type), NPT or SAE
  • Output: single or double SPDT relay output - adjustable in-line
  • Customisable: threads, flow range, media calibration
  • Fast delivery time with order expediting available on custom designs
  • Bi-directional & reverse flow models also available
  • High temperature models available also
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Eletta TIVG - DP flow indicator

  • TIVG has been widely installed in the hydro power generation industry.
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Kayden Classic 830 inline threaded thermal dispersion flow switch

  • Push button programming - NOT trimpots
    • Recommended for very low flow applications
  • ¾" NPT (female) threaded connection
    • Customisation possible for OEM applications
    • Optional mounting bracket for wall mounting support
    • Vertical or horizontal applications
  • 316SS wetted parts
  • 2 x adjustable SPDT relays + 1 x spannable 4-20mA output
  • Built-in universal power supply for 12»24Vdc or 115»230Vac
  • Watchdog (self-checking) fault circuit with LED warning
  • LED bargraph display (flow range, relay status & set points)
  • Relay status LEDs
  • Blind or explosion proof glass enclosure with optional remote mounting
  • RS-485 output and programming
  • Ex d rated (CSA / FM / UL, IECEx coming soon)
  • Adjustable inline
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Kayden Classic 832 inline flanged thermal dispersion flow switch

  • Push button programming - NOT trimpots
  • ½" » 10" ANSI raised face (RF) or ring type joint (RTF) flanged connections
    • To suit Schedule 40 or 80 (standard) pipe
    • Customisation possible for OEM applications
    • Bleed port included
    • Vertical or horizontal applications
    • 7 » 72" sensor "body" available - i.e. flanged to flange
  • 316SS wetted parts
  • 2 x adjustable SPDT relays + 1 x spannable 4-20mA output
  • Built-in universal power supply for 12»24Vdc or 115»230Vac
  • Watchdog (self-checking) fault circuit with LED warning
  • LED bargraph display (flow range, relay status & set points)
  • Relay status LEDs
  • Blind or explosion proof glass enclosure with optional remote mounting
  • RS-485 output and programming
  • Ex d rated (CSA / FM / UL, IECEx coming soon)
  • Adjustable inline
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