NDT

JME Pipeline Crawler 24"to 72"
A8L Film ViewerJME Magnetic TrackingJME Radiation AlrmJME Magnetope

JME X-RAY PIPELINE CRAWLER 24″ TO 72″

The JME 24″ X-ray Pipeline Crawler is specifically designed for non-destructive examinations of circumferential butt welds in tubular installations such as oil and gas transmission pipelines, while in construction.

Product Description

The JME 24″ X-ray Pipeline Crawler is specifically designed for non-destructive examinations of circumferential butt welds in tubular installations such as oil and gas transmission pipelines, while in construction.

The JME 24″ Pipeline Crawler is capable of driving a wide range of X-Ray generators and gamma head / actuator units, enabling internal panoramic single image (SWSI) radiography to be carried out in pipe diameters from 24″ to 72″.

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’ or a small isotope.

Safety features include anti-runaway circuitry, and optional retrieval latching purpose built recovery vehicle and an automatic radio recovery system.

All backed by 12 months warranty of components and workmanship. (excluding radiography source).

Technical Specifications 
Minimum pipe diameter: 24″.
Overall length excluding emitter: 1330 mm.
Weight of crawler excluding emitter: 170 kgs.
X-Ray tube options: 160, 200, 300 Kv, 3 mA.
Gamma option capacity: 120 Ci IR-192.
Power source: Sealed lead acid 120 volt.
Motor rating: 2 x quarter HP.
Travel speed: Up to 10 m per minute.
Braking: Dynamic.
Mean positioning accuracy: plus or minus 5 mm.
Operating temperature range: -40 Deg C to +70 Deg C.

Optional Accessories

10 Channel Battery Charger:  A multi-stage 10 channel charger designed for JME sealed lead / acid battery packs, to ensure optimum performance and battery life.

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.

Magnetope:  JME Crawlers can be supplied with a unique, proven, magnetic control system, replacing conventional isotope control with its inherent transportation and storage problems. The Magnetope is easy to install to new and existing JME Crawler equipment. A magnetic transmitter (Magnetope) is used to control the functions of the crawler in a similar way to the signalling isotope. Suitable for use up to 40 mm steel thickness.

Test Unit:  A useful maintenance tool to assist in fault finding and set up of the crawlers ‘E’ Box.

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.

Radio Recovery System:  A radio recovery receiver and transmitter used for when the crawler has broken down due to an electrical fault and will reverse the crawler out of the pipe.

Additional Accessories:  

Wheel Spacer Kit: A set of wheel shafts and spacers used to set up the crawler in larger pipe sizes.

Tracker Isotope: 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.
Signalling Isotope and transport pot: The crawler is normally operated with magnetic signaling, Isotope signaling can be provided.
Spares Kit: A boxed set of replacement items which might need replacing in the field where parts might otherwise be difficult to obtain.

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

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