Drive mechanism increases seal integrity
A
Meco Shaft Seals product story
Edited by the Engineeringtalk editorial team
Jan 9, 2004
Meco engineers have developed a new, patented drive mechanism, which augments the sealing capabilities of Meco seals.
Meco engineers have developed a new, patented drive mechanism, which augments the sealing capabilities of Meco seals.
Used in place of a driving elastomer, the enhanced mechanical drive system allows the EAS seal to accommodate demanding conditions such as thermal growth, variations in process pressure, highly viscous materials, hostile process chemistries and severe abrasives.
The Meco-DR allows the rotating seal faces to compensate instantly for axial shaft motion, without affecting seal face loading.
And the Meco-DR retains all of the superior characteristics of original Meco elastomer-drive seals: fully-split designs, high (6mm and more) runout/misalignment tolerance, no internal springs to corrode or break and economical, on-site rebuilds.
Originally developed for Moyno progressing cavity pumps, the Meco-DR is now also available for mixers, extractors, reactors, and other process machinery.
The seal is either spring or pneumatically loaded from the outside, so that seal face pressures are constantly adjusted to compensate for wear of the sacrificial seal faces.
The Meco-DR can withstand punishing abrasives and keep on running, long after conventional seals have failed.
The Meco-DR is available as a design feature in new Meco seals, and also as a retrofit for some existing EAS, Meco-Pac OR Ex-Pac seals.
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Contact Meco Shaft Seals
Tel +1 207 371 2210
Other Meco Shaft Seals stories
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Meco seals solve contamination and vacuum issues
Meco Shaft Seals has revealed how its Meco-DR shaft seals can solve contamination and vacuum problems in drying applications. -
Meco launches HB standard-sized seals
Meco Shaft Seals has announced the launch of the HB range of standard-sized seals for screw conveyors and similar equipment. -
Meco shaft seals take stand at POWTEX
Meco custom-engineered shaft seals will be on exhibit at the 17th International Powder Technology Exhibition (POWTEX) in Tokyo on 28-31 October 2008. -
Air-purged seals clear caramelised sugar
Unlike traditional mechanical seals, MECO seal faces are soft, fault-tolerant and almost impossible to break. -
Seal upgrades meet ATEX requirements
Meco has adapted two of its seal designs to comply with ATEX, which considers packing glands unsuitable for service in potentially explosive atmospheres
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