mechanical seal

mechanical seal

[mi′kan·ə·kəl ′sēl]
(mechanical engineering)
Mechanical assembly that forms a leakproof seal between flat, rotating surfaces to prevent high-pressure leakage.
References in periodicals archive ?
the permanent repair includes the installation of a mechanical seal and construction of a tremie slab over the existing 90 plug valve structure.
Satorp awarded the firm contracts that include the supply of mechanical seals, supply of operational mechanical seal spares, as well as a service contract for the maintenance of over 55 per cent of the refinery seal population
For instance, the introduction of sensor integration and strain gauges represent methods to execute onboard testing and monitoring systems that are used to assess structural health of mechanical seal assemblies.
com)-- A division of Unique Maritime Group (UMG) which is one of the world's leading integrated turnkey subsea and offshore solution providers, Unique Wellube was recently contracted by Abu Dhabi Marine Operating Company (ADMA-OPCO) for the supply and engineering of mechanical seal plugs for a significant pipeline isolation project.
For example, the standard option has an internal mechanical seal wetted by the media and fitted behind the impeller in a chamber to ensure correct fluid flow and lubrication.
The suction line housing is placed higher on the pump, allowing the empeller and mechanical seal to be covered with water at all times, eliminating the need to reprime the pump and protecting the seal from running dry.
The working life of the mechanical seal can vary between 12 and 18 months, but predicting seal failure is imprecise.
Machinable, resin-impregnated, carbon-graphite blanks are for companies that need to machine mechanical seal primary rings, radial or thrust bearings, case wear rings, or pump vanes on an emergency basis.
Metallized Carbon Corporation (Ossining, NY) now offers machinable, resin impregnated, carbon-graphite blanks for companies that need to machine mechanical seal primary rings, radial bearings, thrust bearing, case wear rings, or pump vanes on an emergency basis.
A key feature is a two-piece drive shaft which allows easy assembly, maintenance, and mechanical seal access.
It offers a perfect fit for mechanical seal elements with its improved compression set and higher temperature capabilities, allowing longer exposure to high temperatures and chemical contact without losing the mechanical properties that make it a great sealing compound.
A key feature of the Moyno 1000 pump is said to be a two-piece drive shaft which allows easy assembly, maintenance and mechanical seal access, according to the company.

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