## General news shown in Figure . The seal is self-closing, so that in case of a buffer gas failure the seal is hydraulically closed on the product side. The preferred design ensures that the counterfaees do not change their position in case of a pressure reversal. Antimony impregnated carbon/sili
Seal for corrosive applications
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 116 KB
- Volume
- 1995
- Category
- Article
- ISSN
- 1350-4789
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โฆ Synopsis
Dynamic sealing
The standard O-rings are fluoroelastomer; however many other materials are available to meet varying cost and performance requirements.
The standard ProTech is a single-port expulsion design with an external flange or a flush-mount design. In addition, however it is available in a multi-port expulsion design for applications in which orientation is a problem. The seal's standard reinforced PTFE construction provides a wide range of operating capabilitiesincluding high or low temperatures and extreme chemical environments. The addition of other PTFE fillers extends the capability to special designs and services with enhanced physical properties. Two examples are largesize seals and food service requirements.
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