McDonnell & Miller FS-8 weatherproof paddle flow switch

  • Brass body
  • Supplied paddles (316SS): 1, 2, 3 & 6"
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: R1" (BSPT) & 1" NPT
  • Pipe sizes: 1" & larger
  • Temperature: 0 » 107°C
  • Pressure: up to 11bar
  • Both FS8-W & FS8-WJ are stocked parts
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Gems Sensors FS-550 + FS-550E paddle flow switch

  • Brass or 316 stainless steel body
  • Patented cam design, senses bi-directional flow
  • Process connection: 1”NPT (FS-550) or R1" (BSPT FS-550E)
  • Pipe sizes: 1¼” & larger
  • Output: SPDT 20VA (reed switch)
  • Pressure: 55 bar (depends on model)
  • Temperature: -20 » 80°C (depend on model)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Stocked models:
    • FS-550: 29608, 29609
    • FS-550E (some with Certificate of Conformance): 020-3497, 020-3499
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McDonnell & Miller FS7-4 industrial paddle flow switch

  • Brass or stainless steel body
  • 1¼" BSP threaded fitting
  • For pipes 1¼" and larger
  • Adjustable "flow" adjustment
  • General purpose housing
  • 3.7A/240VAC or pneumatic
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McDonnell & Miller FS4-3 general purpose paddle flow switch

  • Brass or stainless steel body
  • Supplied paddles (316SS): 1, 2, 3 & 6"
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: R1" (BSPT) & 1" NPT
  • Pipe sizes: 1" & larger
  • Temperature: up to 149°C
  • Pressure: up to 11bar
  • Stocked models include: FS4-3J, Fs4-3S, FS4-3SJ
  • Some FS4-3T models with integral tee piece also available ex. stock
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Eletta PR1 paddle type flow switch

  • Rugged flow switch for liquids
    • Teflon sleeve mounting allows the paddle to swing in both directions so can handle backflow (switches only in one direction)
  • Wetted parts: copper, 316 stainless steel, nitrile (HNBR)
  • Process connection: 1” BSP
  • Pipe sizes: 2 »10" (DN50 » 250)
  • Output: SPDT microswitch (relay)
  • Pressure: 25 bar
  • Temperature: -20 » 125°C
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Enclosure: IP65 (weatherproof)
  • Stocked models: PR1-IP65
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McDonnell & Miller FS7-4W industrial, weatherproof paddle flow switch

  • NEMA 4X (~IP65) housing
  • Brass or stainless steel body
  • High pressure ratings
  • Reliable paddle type
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McDonnell & Miller AF1 paddle air flow switch

  • General purpose air flow switch
  • Brass, steel & aluminium wetted parts
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: flat flange for duct mounting
  • Duct sizes: 6 » 8"
  • Temperature: 0 » 149°C
  • Stocked parts: AF1, AF1-S
  • Paddle repair kits also available ex. stock

 

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McDonnell & Miller AFE-1 hazardous area air flow switch

  • Hazardous area air flow switch
  • Brass, steel & aluminium wetted parts
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: flat flange for duct mounting
  • Duct sizes: 8" (203mm) & larger
  • Temperature: 0 » 135°C
  • Hazardous area approval: UL
  • Stocked part
  • Paddle repair kits also available ex. stock
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McDonnell & Miller AF2 paddle air flow switch

  • Brass, steel & aluminium wetted parts
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: flat flange for duct mounting
  • Duct sizes: 8" (203mm) & larger
  • Temperature: 0 » 149°C
  • Stocked part
  • Paddle repair kits also available ex. stock
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McDonnell & Miller AF3 paddle air flow switch

  • Brass, steel & aluminium wetted parts
  • Output: SPDT microswitch, mains rated (120»240Vac)
  • Adjustable range: refer manual for flow setting vs pipe size & paddle length
  • Process connection: flat flange for duct mounting
  • Duct sizes: 8" (203mm) & larger
  • Temperature: 0 » 135°C
  • Stocked part
  • Paddle repair kits also available ex. stock
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Sitron CF12DC + CF12AC thermal dispersion flow switches

  • Incredible range of customisation available
  • No moving parts for long, service free operation
  • Wide range of process connections - e.g. flanged, tri-clamp, threaded (BSP, NPT & others)
  • Custom insertion lengths
  • DC, AC and direct switching models available
  • SPDT relay or transistor output
  • DIN plug or junction box electrical termination (nylon, aluminium or stainless steel)
  • Adjustable inline
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Kayden Classic 812 thermal dispersion flow switch with flanged process connection

  • Push button programming - NOT trimpots
  • ANSI flanges from 1" cl 150 » 10" cl 900
  • 316SS, Titanium or Hastelloy C 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 810 thermal dispersion flow switch with threaded process connection

  • Push button programming - NOT trimpots
  • Threads available from ½ » 2" NPT (BSP on request)
  • 316SS, Titanium or Hastelloy C 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 814 thermal dispersion flow switch with flanged, retractable packing gland for

  • Push button programming - NOT trimpots
  • Remove the sensor from your process without have to stop the application
  • ANSI flanges from 1½ » 10" cl 150
  • 316SS, Titanium or Hastelloy C 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 816 thermal dispersion flow switch threaded, retractable packing gland for

  • Push button programming - NOT trimpots
  • Remove the sensor from your process without have to stop the application
  • 1" NPT thread
  • 316SS, Titanium or Hastelloy C 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 828 thermal dispersion flow switch with Tri-Clamp (sanitary) connections

  • Push button programming - NOT trimpots
  • 3A compliant Tri-Clamp connections from 1 » 3.5"
  • 316SS wetted parts with exotic alloys available on request
  • 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 duct mounting accessories for thermal dispersion flow switches

  • Built to suit threaded Kayden thermal dispersion flow switches
  • Allows threaded units to be mounted on curved or flat ducts, especially in air flow switch applications
    • NOTE: avoid applications where condensation may occur on probe
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