The utility model is a water grating board which is convenient to drain. The utility belongs to water grating used in municipal works and sewers of streets and dwelling communities.
一种方便排水的水箅盖，属于市政工程、道路、生活小区内等下水管道上 使用的水箅盖。
The utility model discloses an anti-overflow device for a water bucket, which comprises a drain head, a drain joint, a drain pipe, and a baffle.
本实用新型公开了一种水斗防溢装置，它包含有落水头、落水接头、落水管、闷头。
The utility model provides a filtering device for a steam trap which has the functions of a flush filter screen and the condensation water drain pipe bypass of steam equipment.
本实用新型提供了一种具有冲洗过滤网及用汽设备凝结水排放管旁路功能的疏水阀过滤装置。
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