Product features:
* Circular design, compact structure, beautiful appearance, and light weight
* Low mechanical wear, and long service life
* The shaft seal can be sealed with corrugated pipes
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Product features:
* Simple structure & Good sealing performance
* Small installation size
* Simple operation, fast opening and closing
* Suitable for positive and negative pressures
Product features:
* The valve can withstand positive pressure
* The valve stem does not move up or down
* By changing the direction of the air circuit through an electromagnetic directional val
With the development of vacuum technology, in production and scientific research, we often need to use different types of vacuum pumps according to different working pressure ranges and work requireme
Product features:
* Large conduction
* Good sealing performance and low bleeding rate
* Small size, compact and reasonable structure, and small installation space required
* Easy to operate, opt