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can i use brass skin fitting on steel hull

hi
can i use brass skin fitting [sink outlet]on steel hull without any reaction between the 2 metals
thanks

Asked by: mb  | 5.06pm, Tuesday 5 November


WW says:

You are quite correct in that brass and steel in good electrical contact, immersed in water, will set up a galvanic cell; the steel will corrode whilst the brass will be unaffected. Rubber washers under both flanges and insulating tape on the threaded portion through the hull will prevent this happening by preventing electrical contact.

Rupert Smedley  | 5.49PM, Tuesday 5 November

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