The Glacier Metal Co., Deep Sea Seals Ltd, and Pilgrim Engineering Developments Ltd have together developed the Glacier-Pilgrim "Coastguard" sterngear system. It is designed to prevent oil leakage into the sea (a matter of intensified importance in view of stricter anti- pollution regulations) and to prevent the entry of sea water into the bearing, regardless of wear. It can be used in either a single- or a two- bush arrangement, is supplied as a complete unit with seals, bearings (white metal or plastic), header tank, and connections. It has Lloyd's Register approval. At the after end of the unit, there is a double lip seal of special design on the oil side and a face-type seal on the water side. The inboard oil seal has a single lip. There is a single header- tank, fitted about 1 m above the shaft; complicated pressure-balance arrangements are avoided. Oil leakage from the seals is drained to a bilge or slop tank. All leakages are visible from a control panel, and the system is "monitored" from on board.

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  • Corporate Authors:

    Benn Brothers Marine Publications Limited

    Lyon Tower, 125 High Street, Colliers Wood
    London SW19 2JN,   England 
  • Publication Date: 1976-9

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Filing Info

  • Accession Number: 00152502
  • Record Type: Publication
  • Source Agency: British Ship Research Association
  • Files: TRIS
  • Created Date: Apr 27 1977 12:00AM