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“

ProfiSeal has developed the world’s first fireproof bulkhead seal

4 May 2015
NEWS from the DEUTSCHE YACHTEN Working Group – Superyachts Germany

A60 approval by DNV GL after successful fire test in Freiberg, Germany
The world’s first fireproof bulkhead seal for drive shafts on commercial, sea-going ships, megayachts and so-called special craft has come from Schornsheim in Rheinland-Pfalz (Germany). ProfiSeal, a company from the DEUTSCHE YACHTEN Working Group has now received type approval from the international classification society DNV GL for its innovation, which has been registered for patenting. After a successful water pressure test, the special seal also demonstrated its resistance to fire (A60) over 60 minutes at 945 degrees Celsius.
Continue reading „ProfiSeal has developed the world’s first fireproof bulkhead seal“