"Block of joint protection BSZ-TPP with discrete current regulation BSZD-TPP is designed for simultaneous protection of several parallel or intersecting electrically unconnected underground steel pipelines and other structures from electrochemical corrosion for use as:
- potential equalising polarisation jumpers;
- load polarised element for pipeline protection and joint protection of pipelines with protective covers;
- for distribution and regulation of output current of one cathodic protection converter.
Design and operation features:
- BSZD-TPPs are installed in places of crossing or convergence of underground pipelines, crossing of the pipeline with roads and railways, crossing of pipeline routes and armoured cables, installation of insulating inserts on the pipeline or connection of protector units.
- The resistance value of the BSZD block is adjusted stepwise by means of jumpers."
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