Blocks of joint protection BSZ are designed to work with cathodic protection stations in corrosion protection systems in accordance with GOST R 51164, GOST 26830 provide distribution and regulation of cathodic protection current between several underground metal structures, providing reduction or elimination of harmful effect of cathodic protection stations of one gas pipeline on another. Current regulation in the unit can be carried out discretely (stepwise), by shifting the adjustment jumpers and smoothly, by turning the rheostat knob.
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