Z-Guard Zinc Anodes offer
a full range of Offshore anodes manufactured with Documentation to
DIN EN 10204, 3.1B, containing full Chemical Analysis and
Galvanostatic Test according to DNV offshore standard RP B 401
(1993) or NORSOK Standard M-503. You, the Client will receive a
Certificate of chemical analysis (3.1B) that can be matched to the
anodes by a corresponding cast number.
off / Platform anodes
Stand-off anodes are designed so that they have a minimum distance
from the steel surface they are protecting of 300mm, to ensure
uniform current distribution to the surface. The life period of a
system is not less than five years. The anode core will support the
anode to maintain the anode shape during later stages of the
The OD of the anodes are usually manufactured to coincide with the
OD of the pipe, but if this is not possible they are manufactured
with a taper to allow for their movement.