Supply scope
Consumable and cross-check items that belong in this RFQ route.
Coverage stays broad enough for real vessel purchasing, but focused enough for technical routing. The seal makers mentioned on this page — EagleBurgmann, John Crane, AESSEAL and Vulcan — are named so that a buyer can point at the arrangement already fitted; Vessel Core holds no dealership, distribution, representation or partnership agreement with any of them, and a quotation against a type designation carries no approval by the maker and no claim of interchangeability.
01Mechanical seals
Pump and auxiliary machinery seal assemblies, seal repair kits, lip seals and gland packing for shafts, and stern tube seals. A seal is identified by make and arrangement, not by the pump it sits in. EagleBurgmann puts the arrangement into the code: MG1, MG12 and MG13 are the elastomer-bellows component seals that sit on a plain shaft, M7N is the unbalanced single-spring build that runs in either direction of rotation, and H7N and H12N are pusher arrangements for hot water duty on a stepped shaft. John Crane numbers its families instead — Type 1, Type 2, Type 6, Type 21, Type 502 and Type 2100 are elastomer bellows seals, Type 58U is a multi-spring pusher on an O-ring and Type 59U the same seal on a PTFE wedge, Type 109 is a shaft-mounted multi-spring wedge seal, and Type 606 is a rotating edge-welded metal bellows seal. Where a seal is built to EN 12756 dimensions, the mechanical seal size finder gives the installation length and seat from the shaft diameter.
02Gasket sets
Overhaul gasket sets for strip-down and rebuild, flange gaskets in non-asbestos sheet or spiral wound, cover and casing gaskets, copper and aluminium sealing washers, and kit references from the part book. For a flange gasket, the flange identifier reads the flange and gives the ring gasket’s inside and outside diameter. For a spiral wound gasket, the spiral wound gasket colour code reads the winding metal and filler from the colours on the ring.
03O-rings and packing
O-rings and seal rings ordered by inside diameter, cord diameter and elastomer — nitrile, fluorocarbon, EPDM — and gland packing by section, length and type. Three numbers and a material settle most of these without a part number at all; for an AS568 or JIS designation, or a measured ring, the O-ring size finder gives the standard size. A lip seal marked 25x40x7 AS NBR goes to the oil seal size and type reader: shaft, bore, width, type and lip material.
04Bearings
Main and crankpin bearing shells, thrust bearings, and bearings for pumps, electric motors and auxiliary equipment. For shells the request has to state nominal or undersize — that single word decides which part number applies. For rolling bearings the marking on the ring is the reference, and the bearing designation reader splits it into type, bore and suffixes.
05Filters
Oil, fuel and hydraulic filter elements, given with the filtration rating in microns and the connection dimensions, plus separator filter elements and consumables tied to service work.
06Service kits
Grouped consumables for scheduled maintenance, overhaul or repair. A kit reference is worth more than its contents listed loose, because it fixes what the maker intends to be replaced together.
