Clean and reliable:
·Double anti-return oil structure to more reliably protect the vacuum system from oil pollution after shutdown.
·It adopts imported German oil seal and seals with fluororubber material to improve corrosion resistance and prevent oil leakage.
·Adopting the aviation technology bushing treatment process, the life of the exhaust valve piece reaches 10 billion times.
·It adopts high-quality materials such as vacuum pump oil imported from Japan, which makes the operation more reliable and has a longer service life.

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