A new oil barrier seal for dry gas seals

被引：0
|
作者：
Sattler, Michael [1 ]
机构：
[1] Dry Gas Seals, Burgmann Industries
来源：
Sealing Technology | 2009年 / 2009卷 / 09期
关键词：
D O I：
10.1016/S1350-4789(09)70495-7
中图分类号：
学科分类号：
摘要：
The oil barrier/separation seal for dry gas seals described in this feature is a co-axial gas lubricated seal designed to eliminate the disadvantages of existing systems such as labyrinths or radial carbon ring seals currently used in the industry. The aerostatic lift-off, achieved by means of differential pressure, provides no wear or contact during operation. This seal can offer reliable operation with dry buffer gases with reduced buffer gas consumption and no restrictions on operational factors such as slow roll, turning gear and coast down. Safe operation in the event of complete main gas seal failure is also possible. © 2009 Elsevier Ltd. All rights reserved.
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页码：8 / 11
页数：3
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