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JME PIPELINE X-RAY CRAWLER 6″ TO 18″

The JME 6″ Pipeline Crawler is specifically designed for (NDT) non-destructive examinations of circumferential butt welds in tubular installations such as oil and gas transmission pipelines, while in construction.

Product Description

The JME Pipeline X-Ray Crawler 6″ to 18″ is specifically designed for (NDT) non-destructive examinations of circumferential butt welds in tubular installations such as oil and gas transmission pipelines, while in construction.

The JME 6″ Pipeline Crawler is extremely  compact and lightweight, enabling internal  panoramic  single image (SWSI) radiography to be carried out in internal diameter down to 5.3 inches (135 mm) and up to 16″.

18″ is achievable with optional 12AH battery tray.

Constructed using high grade materials to provide a good finish, superior corrosion resistance, easy maintenance and extended service life. Electronic circuits utilise military specification components, thus ensuring reliability in harsh environments.

Powered by high-efficiency rechargeable sealed lead acid batteries. Full remote control of travel, park and exposure modes from outside the pipeline, using the JME ‘Magnetope’.

Safety features include anti-runaway circuitry, and optional retrieval latching purpose built recovery vehicle. All backed by 12 months warranty of components and workmanship, (excluding radiography source).

Technical Specifications.

 
Minimum internal pipe diameter: 5.3” (135 mm).
Maximum pipe diameter: 16” (406 mm)/18″ with 12AH battery tray.
Power unit (rechargeable battery pack): Sealed lead acid cells.
Battery charger (lead acid): Dual state automatic.
Traction motor rating: 48 volts, 200 watts (6/8xr).
Running wheel diameter: 88 mm.
Travel speed (approx): 12 metres (40 ft) per minute.
Max Gradient (clean pipe): 45% (27 degrees from horizontal).
Braking: Dynamic.
Mean positioning accuracy: Plus or minus 5 mm.
Pipeline curvature and dia traversable: Nil (@ min ID) 10D.
Exposure timer: 0-200 seconds (pre-set).
Exposure safety delay: 0-30 seconds (pre-selectable).
Ambient operating temperature limits: -20 deg C to +60 deg C.
Number of articulated sections: 2.
Overall length including recovery ring: 1350 mm.
Overall weight including batteries: 33 kgs.
Radiation source power/actuator supply: 48 volts.

Optional Accessories:

 

Battery Charger:  A multi-stage dual channel charger designed for JME sealed lead/acid battery packs, to ensure optimum performance and battery life. Extra JME battery packs allow the crawler to remain in continuous operation whilst the depleted battery packs are being recharged.

Battery Compartments:  Battery compartments are available in two sizes to suit 6″ pipe (7 amp/hr) or 8″ pipe (12 amp/hr). Purchasing the alternative version to the one supplied with the crawler allows the crawler to be easily adapted to cover both ranges.

Audio Visual Alarm:  A self contained battery operated warning unit which gives clear flashing beacon and sounder indications outside the pipe when the crawler is emitting radiation (x-rays or gamma). Note: This is not a personnel radiation monitor nor should be used as one.

Magnetic Tracking:  Fits inside the main chassis of the crawler so that the position of the crawler and its direction of travel can be monitored from outside the pipe, an alternative to isotope tracking.

Recovery Vehicle:  A purpose built recovery vehicle complete with latching harpoon on one end, which can be sent into a pipe to recover the main 6″ crawler if it should become jammed or disabled.

For further information please email:  ndt@ndt.com.au

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