Description

EFC Inflatable Rings

These transducer rings are designed to provide effective inspection capability, particularly for larger diameter pipes. Pneumatic pressure is used to press transducers modules (which are mounted onto this ring) against the pipe wall. These modules are fully interchangeable between inflatable collars of all sizes.

For sizes greater than 24-inch diameter, two smaller inflatable type rings can be linked together as detailed in a specific procedure for joining rings. Non-standard sizes (up to 60 inch) and 8-channel (non-EFC) rings can be produced to special order.

Pneumatic Loading
Ring Joining
Screw-Lock Latch

Available Transducer Types

Standard

2-row transducer modules with a single fixed spacing for medium frequency inspection. Key application areas include:

• Bare / Painted Pipes
• Sleeved / Unsleeved Road Crossing Pipes

Adjustable

2-row adjustable transducer modules with four transducer spacings to inspect across a wide band of frequency range. In addition to standards’ applications, key areas include:

• Buried Pipes
• Pipes with many welded supports • Inspections for Localised Pitting

Specifications

Number of Channels
16
Nominal Pipe Size (NPS)
6” to 36” (DN 150 to 900)
Operating Temperature
-40°C to 150°C (-40°F to 302°F)
Radial Clearance
63 mm (2.5”)
Transduction System Compatibility
Wavemaker® G4 u0026 G4mini

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