| 摘要 |
PROBLEM TO BE SOLVED: To provide a strainer device unnecessary to detach a casing cover at the time of exchanging a filter. SOLUTION: The strainer device is provided with a easing main body 4, in which a flow-in port 4a and a flow-out port 4b of fluid are formed, a casing cover 5 attached to the casing main body and a filter 2 arranged in the easing constituted of the casing main body and the casing cover and for removing dust from the fluid flowing in the casing from the flow-in port of the casing main body and is constituted so that a hole capable of passing the filter is formed at a part corresponding to a position, where the filter is disposed, in the casing cover and is closed with a freely detachable filter cover 15 and the filter is taken out of the casing by detaching the filter cover.
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