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FLOWLINE LIQUID LEVEL SWITCHES

Flowline Smart Trak, Switch Trek, and Switch Pak lines offer intrinsically safe or general-purpose liquids level detection. These models are contact sensors that are reliable and designed with level switch or control, pump protection, spill prevention, and detection or alarms. They are ideal for chemical, water, wastewater, and oil applications.

Flowline-Smart-Trak-AXXX-Multi-Point-Liquid-Level-Switch

Features

  • Rugged polypropylene construction for use with corrosive liquids
  • Available in intrinsically safe and general purpose classifications
  • 60VA relay or 15VA dry contact switches selectable NO or NC via wiring
  • Offered in three sensor technologies for broad application coverage
  • Adjustable level switch cars enable position adjustments in the field
  • PP junction box rated NEMA 4X with swivel base and terminal strip
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Applications

  • Day tank
  • Skid or machine
  • Cooling tower
  • Waste sump
  • Process tank

How the Smart Trak™ AXXX Liquid Level Switch Works

The package includes an intrinsically safe or general-purpose multi-point level switch, offering liquid level detection up to 10’ (3m). It features 1-4 adjustable level switch points and comes with a compact junction box for wiring termination. With three sensor technologies available, choose the type that best suits your application media. Opt for ultrasonic for chemicals and light-weight oils, vibration for wastewater with light coating or scaling, and buoyancy for clean water and non-coating chemicals.

FLOWLINE-SMART-TRAK-AX23-liquid-LEVEL-SWITCH-with-Controller

Features

  • Fail-safe relay control of pumps or valves with adjustable time delay
  • Offered in three sensor technologies for broad application coverage
  • Easy setup with LED indicators for sensor, power and relay status
  • Rugged polypropylene construction for use with corrosive liquids
  • Adjustable switch cars enable sensor position adjustments in the field
  • Invert switch changes relay state from NO to NC without rewiring
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Applications

  • Day tank
  • Skid or machine
  • Cooling tower
  • Waste sump
  • Process tank

How the Smart Trak™ AX23 Liquid Level Switch Works

The general-purpose level switch package facilitates automatic tank filling or emptying within a range of up to 10’ (3m) between two adjustable level switch points. The compact relay controller, optionally equipped with a strobe, includes one latching 16A relay for pump or valve control. With three sensor technologies available, choose the type that best suits your application media. Opt for ultrasonic for chemicals and lightweight oils, vibration for wastewater with light coating or scaling, and buoyancy for clean water and non-coating chemicals.

Flowline-SWITCH-PAK-AX1X-liquid-LEVEL-SWITCH

Features

  • Rugged PP or PVDF construction for use with corrosive liquids
  • Available in intrinsically safe and general purpose classifications
  • 60VA relay or 15VA dry contact switches selectable NO or NC via wiring
  • Offered in three sensing technologies for broad application coverage
  • PP enclosure rated NEMA 4X with swivel base for conduit alignment
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Applications

  • Bulk storage
  • IBC or drum
  • Neutralization tank

How the Switch-Pak™ AX1X Liquid Level Switch Works

The package includes an intrinsically safe or general-purpose point level switch, offering high or low liquid level detection with one relay or reed switch output. It features a compact junction box for wiring termination. With three level sensor technologies available, choose the sensor type based on your application media and classification. Opt for ultrasonic for chemicals and lightweight oils, vibration for wastewater with light coating or scaling, and buoyancy for clean water and non-coating chemicals.

Flowline-SWITCH-PAK-AX13-liquid-LEVEL-SWITCH

Features

  • Fail-safe relay shut off of pumps or valves with adjustable time delay
  • Offered in three sensor technologies for broad application coverage
  • Rugged polypropylene or PVDF construction for use with corrosive liquids
  • Easy setup with LED indicators for sensor, power and relay status
  • Optional strobe brings immediate attention to level alarm conditions
  • PP enclosure rated NEMA 4X with swivel base for conduit alignment
  • Invert switch changes relay state from NO to NC without rewiring
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Applications

  • Bulk storage
  • IBC or drum
  • Neutralization tank

How the Switch-Pak™ AX13 Liquid Level Switch Works

The point level switch package for general purposes offers high or low liquid level detection with a single 16A compact relay controller designed for pump or valve shut-off. The optional flash alarm is available to draw attention to alarm conditions. With three level sensor technologies to choose from, select the sensor type based on your application media. Opt for ultrasonic for chemicals and lightweight oils, vibration for wastewater with light coating or scaling, and buoyancy for clean water and non-coating chemicals.

FLOWLINE-SWITCH-TEK-LU10-Liquid-lEVEL-SWITCH

Features

  • CSA approved intrinsically safe for use in hazardous environments
  • Submersible PP or PFA Teflon® sensor and cable for corrosive liquids
  • 60VA SPST relay selectable NO or NC via power supply wiring polarity
  • Compatible with Smart Trak and Switch-Pak installation fittings
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Applications

  • Hydrochloric acid
  • Acetone
  • Diesel fuel oil

How the Switch-Tek™ LU10 Liquid Level Switch Works

CSA-approved for hazardous locations, the intrinsically safe ultrasonic point liquid level switch offers high or low liquid level detection for chemicals, solvents, or low-viscosity petroleum-based liquids, featuring a 1A relay output. Examples of applicable media include hydrochloric acid, acetone, and diesel fuel oil. The submersible PP or PFA level switch sensor can be universally mounted either through the tank wall or inside the tank, connecting to a PLC or relay controller.

Flowline-Switch-Tek-LZ12-Vibration-Point-Level-Switch

Features

  • Automatic coating adjustment optimizes sensor performance
  • Submersible Ryton® sensor with polypropylene cable for corrosive liquids
  • Maintenance alarm proactively alerts user if sensor cleaning is required
  • 60VA SPST relay selectable NO or NC via power supply wiring polarity
  • Compatible with Smart Trak and Switch-Pak installation fittings
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Applications

  • Wastewater
  • Diluted caustic soda
  • Copper sulfate

How the Switch-Tek™ LZ12 Liquid Level Switch Works

The general-purpose vibration point liquid level switch offers high or low liquid level detection for dirty liquids or those with light to medium coating or scaling characteristics, featuring a 1A relay output. Media examples encompass wastewater, diluted caustic soda, and copper sulfate. To ensure optimal performance, the sensor automatically adapts to coating buildup and, if required, triggers a proactive maintenance alarm to request cleaning. The submersible PP-Ryton® level switch sensor can be universally mounted either through the tank wall or inside the tank, connecting to a PLC or relay controller.

Flowline-Switch-Tek-LP15-Level-Switch

Features

  • Guard circuit optimizes performance in coating type media
  • Submersible PP sensor body and cable for corrosive liquids
  • 60VA relay selectable NO or NC via power supply wiring polarity
  • Compatible with Switch-Pak fitting for vertical tank installation
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Applications

  • Copper sulfate
  • Brine

How the EchoTouch® US06 & US12 Reflective Ultrasonic Sensor Works

The general-purpose guard capacitance point liquid level switch offers high or low liquid level detection for water-based conductive liquids with light coating, crystallizing, or scaling characteristics, featuring a 1A relay output. Examples of applicable media include copper sulfate and brine. For optimal performance, it is recommended to install the sensor vertically, and the RF guard circuit eliminates the coating signal path between the active and reference electrodes. The submersible polypropylene liquid level sensor can be mounted inside the tank or through non-metallic tank walls, serving as a high-level alarm or low-level alarm.

Flowline-Switch-Tek-LV10-Vertical-Buoyancy-Point-Level-Switch

Features

  • Baffle body and stabilized float dampen out switch chatter
  • Submersible PP or PVDF sensor and cable for corrosive liquids
  • 15VA dry contact selectable NO or NC state via wiring selection
  • Compatible with Smart Trak and Switch-Pak installation fittings
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Applications

  • Potable water
  • Boric acid

How the Switch-Tek™ LV10 Liquid Level Switch Works

The general-purpose float point liquid level switch delivers high or low liquid level detection for relatively clean water and chemical solutions, featuring a 15VA reed switch output. Media examples encompass potable water and boric acid. To address turbulence-induced level switch chatter, the baffle body is incorporated. The submersible PP or PVDF level switch sensor is vertically mounted inside the tank and connected to a PLC or relay controller.

Flowline-Switch-Tek-LO10-Optic-Leak-Detection-Switch

Features

  • Rugged polypropylene or PFA Teflon® sensor and cable for corrosive liquids
  • 60VA SPST relay selectable NO or NC via power supply wiring polarity
  • Sensor may be located up to 1000’ from a Flowline relay controller
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Applications

  • Sulfuric acid
  • Sodium hypochlorite

How the Switch-Tek™ LO10 Liquid Leak Switch Works

The general-purpose optic leak switch is designed for liquid leak detection in and around secondary containment sumps, tanks, and piping systems, offering a 1A relay output. Examples of applicable media include sulfuric acid and sodium hypochlorite. The submersible PP or PFA leak switch sensor is installed either through the containment wall or within the interstitial space and connected to a PLC or relay controller.