Product Announcement from Sentinel


979 Crawler Head-Image

The Model 979 crawler head is exclusively designed for use with gamma radiography crawlers containing a Selenium-75 source. It is compatible with (gamma crawler specific) mechanical and electromechanical actuators.

Self-propelled pipeline crawlers are inserted into pipelines with inner diameters of 3 in (7.62 cm) or greater to perform panoramic radiography of circumferential welds and the adjacent heat affected areas.

The exposure device consists of a welded stainless steel housing which contains a tungsten shield. It also serves as the Type A storage and transport packaging for the radioactive source. The beam port contains lead to shape the emergent primary beam when the source assembly is in the exposure mode.

FEATURES

  • Reusable
  • Key-lockable storage cover
  • Safety
  • Stainless steel housing
  • Panoramic beam with a variable width of 5° to 90°
 
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