Recommended viscosity range of vacuum pump oil:
1, piston vacuum pump (W type) can use general oil, with V100, V150 viscosity grade oil.
2, rotary vane vacuum pump (2X) selection of V68, V100 viscosity grade oil.
3, Direct connection (high speed) rotary vane vacuum pump (2XZ type) choose V46, V68 viscosity grade oil.
4, the slide valve vacuum pump (H type) selection of V68, V100 viscosity grade oil.
5, cycloid vacuum pump (YZ, YZR) choose V100, V150 viscosity grade oil.
6, Roots vacuum pump (mechanical booster pump) gear transmission system lubrication, can choose V32, V46 vacuum pump oil.
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