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How can you stop the connector sleeve from 'shrinking' under negative pressure (vacuum)?

For vacuum, the best way to keep the connector ‘open’ is to use SS Rings (This is generally only possible with connectors over 100mm long). Refer to the ‘BFM® Limitations: Negative Pressure’ document for more information. Another option is to use fabric connectors, such as the LM3 or LM4 which ‘breathe’ and filter air into the system. Refer to the ‘BFM® Limitations: Negative Pressure’ document for more information.

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