Negative Pressure Valve

The lower filling material flows back below the oil level when the negative pressure valve is closed.

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Technical Advancements

Adding wedge-shaped filling components.

01
The lower filling material flows back below the oil level when the negative pressure valve is closed.

02
With the full contact design and two types of sealing techs, sealing effects are improved.

03

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bdes@bdes.com.cn

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