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7
INSTALLATION AND ASSEMBLY
If in doubt contact Siemens Energy Technical Support
energy.com
for more detailed information.
Caution. Risk of material damage. All sealing surfaces interfacing to DigiTRON connectors
shall be inlayed with Inconel 625 or similar corrosion resistant alloy, with no additional
protection required. This is to prevent localised pitting corrosion of the interface
7.1
Cathodic protection
ROV Connectors are manufactured in super duplex stainless steel and are designed to operate
isolated from the CP (Cathodic Protection) system. Such connectors are supplied with all hardware
needed to isolate the connector from the structure to which it will be mounted.
ROV connectors that do get connected to the CP system will not be immediately damaged, but
there is an increased risk of hydrogen embrittlement of the metal (possible cracking under high
mechanical stresses), and increased rate of calcareous deposits on the product (which may cause
problems demating the connectors).
Stainless steel 316L (UNS S31603) diver and stab mate connectors must be connected to the CP
(Cathodic Protection) system at all times.
Do not fit 'bracelet' anodes around hose or cable as part of CP protection. These can easily damage
the hose or cable as the anodes corrode.
7.2
Installation equipment
Tooling required
• ¼ inch drive torque wrench 0-25 Nm (18.4 lbf.ft) – with 3mm and 5mm Allan key drive
• Flat blade screwdriver
• Loctite 243
Stab-plate connectors
One half of a stab mate connector pair must be allowed to float so that misalignment tolerances can
be accommodated.
Unrestricted
Document No: IOM-002
Issue Date:
Revision:
Page:
connectortechnicalsupport.gb@siemens-
24/09/2020
6
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