ProfiSeal Drip-Less Shaft Seal–Long-Term Test

The following text was first published on www.pitufa.at

»Pitufa’s previous owner was German, so she came with many gadgets ‘made in Germany’. One of those is our shaft seal: a ProfiSeal, based on the design of drip-less face seals. Instead of a flimsy rubber harmonica (like on the PSS), it features a solid metal housing that is flange-mounted to the stern tube. Inside the housing, a rotary unit (fixed to the shaft) consists of a massive stainless steel spring and a graphite ring, which is pressed against the forward end of the housing where a stainless-steel ring sits. Continue reading „ProfiSeal Drip-Less Shaft Seal–Long-Term Test“