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Echo Ultrasonics

Echo Ultrasonics

Manufacturer and seller of NDT Ultrasonic Couplants

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Fluid Ultrasonic Couplant

Echo offers the broadest range of range of fluid UT couplants for AUT inspections. Selection criteria include viscosity, temperature range and water solubility requirements. Echo has fluid options for use in very cold environments, such as the Tundra, for hot applications, such as refineries and ambient temperature inspections such as storage tanks. View the fluid selection chart below.

View Fluid Selection Chart

Showing all 5 results

  • Echo 6 HT™

    • Low-cost silicone based high-temperature UT fluid
    • Replaces plant-based oils (peanut and canola) and mineral oils
    • Operating Range: -40° to 675°F (-40° to 357°C)
    Fluid Industrial Ultrasonic Couplant Echo Ultrasonics
  • Echo 8 HT™ Fluid for AUT and Robotics

    • Most universal AUT fluid
    • Broadest operating range
    • (-50 to 800ºF / -45 to 425ºC)
    • Three viscosity grades
    Echo8 Ht Fluid Ultrasonic Couplant For Aut And Robotics
  • EchoFLOW™ Fluid

    • Ideal fluid for cold environments
    • Approved for use in critical environments
    • Operating Range: -40° to 240°F (-40° to 115°C)
    Fluid Industrial Ultrasonic Couplant Echo Ultrasonics
  • Echo 3HT Fluid

    • When water won’t work, Echo 3HT is the next step.
    • Operating Range: -30° to 350°F (-34° to 177°C)
    • Pumpable Range: 35˚ to 350˚F (2˚ to 177˚C)
    Water Soluble Industrial Ultrasonic Couplant Echo 3ht Fluid
  • Fluid Selection Chart

    View a pdf of the Echo Fluid Selection Chart.

    Fluid Couplant Selection Chart

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  • EchoMix® Powder Ultrasonic Couplant
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US Federal Contractor Registration

News & Updates

  • HiTempco+ Replaces Pyrogel 100
  • 2- and 4-oz tubes available for high-temperature couplants
  • Solutions to common UT cable failures
The American Society for Nondestructive Testing
Echo Ultrasonics®, LLC
774 Marine Drive
Bellingham, WA 98225


360-671-9121

F: 360-671-9024
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