Rigid duct, also known as wall waterproof casings, are bimetallic composite duct welded by seamless duct and moisture-proof wings. Installed on concrete walls, it is used for general pipelines to pass through the wall, which is beneficial to the moisture resistance of the wall. It is suitable for pi......
Read MoreDuring the construction of ventilation and air-conditioning systems, there are often problems with the installation of some external wall louvers. In order to ensure the quality of the project and make the system achieve the expected purpose, the following problems should be paid attention to during......
Read MoreDo you know what a plasterboard access port is? Perhaps many friends do not know what a gypsum board inspection port is. In fact, we can often see a gypsum board inspection port in our daily life, and it has been widely recognized in the domestic decoration industry for a few years.
Read MoreAfter a long time of use, some problems with the axial fan reducer are also normal. The operation should be checked regularly to ensure that there are no obvious faults during use.Axial fan reducers are generally cylindrical gear reducers and bevel gear reducers.
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