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矩形風(fēng)管止回閥矩形風(fēng)管止回閥水平安裝在風(fēng)管或空調(diào)管道中,當(dāng)風(fēng)機(jī)停轉(zhuǎn)時,防止氣體倒流,起到單向止回的作用。 | |
產(chǎn)品詳情 產(chǎn)品描述: 矩形風(fēng)管止回閥水平安裝在風(fēng)管或空調(diào)管道中,當(dāng)風(fēng)機(jī)停轉(zhuǎn)時,防止氣體倒流,起到單向止回的作用,但要求風(fēng)管中風(fēng)速不能小于8m/s。 Product description: The rectangular duct check valve is installed horizontally in the air duct or air-conditioning duct. When the fan stops, it prevents the gas from flowing back and plays a single-side check role, but the wind speed in the air duct is required to be no less than 8m/s. |
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