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External Rolling Spring Electrodes 

A range of rolling spring electrodes catering for virtually all pipe work diameters can be supplied along with or as spare  for holiday detectors. Simple connection allows spring to be easily fitted around pipe work. The connector assembly can be screws into the high voltage probe handle of holiday detector.. The rolling spring can be easily moved along the pipe work ensuring that the pipe work coating is comprehensively tested for holidays. Holiday detector’s external spring electrodes are essential tool for pipeline contractors during installation of coated pipelines. External spring electrodes are also called rolling rings. We also provide internal conductive electrodes for inspection of thin coating inside the pipe.

For large pipe diameters the additional pusher assembly, Please contact us.

Part Number
SA402 - 2 inch / 51mm diameter rolling spring
SA403 - 3 inch / 76mm diameter rolling spring
SA404 - 4 inch / 102mm diameter rolling spring
SA406 - 6 inch / 152mm diameter rolling spring
SA408 - 8 inch / 203mm diameter rolling spring
SA410 - 10 inch / 254mm diameter rolling spring
SA412 - 12 inch / 305mm diameter rolling spring
SA414 - 14 inch / 356mm diameter rolling spring
SA416 - 16 inch / 406mm diameter rolling spring
SA418 - 18 inch / 457mm diameter rolling spring
SA420 - 20 inch / 508mm diameter rolling spring
SA424 - 24 inch / 610mm diameter rolling spring
SA430 - 30 inch / 762mm diameter rolling spring
SA436 - 36 inch / 914mm diameter rolling spring
SA490 - Rolling Spring Connector Assembly
SA491 - Rolling Spring Pusher Assembly
 
Caltech Engineering Services

D-104, Twin Arcade, Military Road, Marol, Andheri (East), Mumbai- 400 059 India
Tel: (+91-22) 29204050 / 29201454 Fax: (+91-22) 29250932 Email: info@caltechindia.com