| 摘要 |
The proposed superfilter for cleaning oil comprises a housing (1) connected to a cap (2), an anti-drainage valve (4), a filtering element (5), a release valve (7) with a coarse filtering element (6), and a spring (8). The coarse filtering element (6) is mounted in front of the filtering element (5) and release valve (7) in the space between the inner surface of the housing (1) and the outer surface of the filtering element (5) and its cap (2). Depending on operating conditions, the coarse filtering element (6) can either be provided with a protective valve (9) or made in two sections, one of which (10) is mounted in front of the filtering element (5), while the other (11) is mounted in front of the safety valve (7).
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