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沟槽管件法兰的作用介绍

发布时间:2020-04-16 08:19 点击数:

沟槽管件法兰又叫法兰凸缘盘或突缘。法兰是管子与管子之间相互连接的零件,用于管端之间的连接;也有用在设备进出口上的法兰,用于两个设备之间的连接,如减速机法兰。

法兰连接或法兰接头,是指由法兰、垫片及螺栓三者相互连接作为一组组合密封结构的可拆连接。管道法兰系指管道装置中配管用的法兰,用在设备上系指设备的进出口法兰。

沟槽管件法兰上有孔眼螺栓使两法兰紧连。法兰间用衬垫密封。法兰分螺纹连接(丝扣连接)法兰、焊接法兰和卡夹法兰。法兰都是成对使用的,低压管道可以使用丝接法兰,四公斤以上压力的使用焊接法兰。两片法兰盘之间加上密封垫,然后用螺栓紧固。不同压力的法兰厚度不同,它们使用的螺栓也不同。

水泵和阀门,在和管道连接时,这些器材设备的局部,也制成相对应的法兰形状,也称为法兰连接。 凡是在两个平面周边使用螺栓连接同时封闭的连接零件,一般都称为“沟槽管件法兰”,如通风管道的连接,这一类零件可以称为“法兰类零件”。但是这种连接只是一个设备的局部,如法兰和水泵的连接,就不好把水泵叫“法兰类零件”。比较小型的如阀门等,可以叫“法兰类零件”。


 

Groove pipe flange is also called flange flange plate or flange. Flange is the part connecting the pipe to the pipe, which is used for the connection between the pipe ends; it is also used for the connection between the two equipment, such as the reducer flange.
Flange connection or flange joint refers to the detachable connection with flange, gasket and bolt as a group of combined sealing structure. Pipeline flange refers to the flange used for piping in the pipeline device, and for equipment, it refers to the inlet and outlet flange of the equipment.
 
There are eyebolts on the flange of grooved pipe fittings to make the two flanges tightly connected. The flange is sealed with gasket. Flange is divided into threaded connection (threaded connection) flange, welding flange and clamp flange. Flange is used in pairs, low-pressure pipeline can use screw flange, more than four kilograms of pressure use welding flange. Add gasket between two flange plates, and then fasten them with bolts. The flange thickness of different pressure is different, and they use different bolts.
When the water pump and valve are connected with the pipeline, the parts of these equipment are also made into corresponding flange shape, also known as flange connection. All the connecting parts that are closed at the same time with bolt connection around the two planes are generally called "groove pipe flange", such as the connection of ventilation pipe, this kind of parts can be called "flange parts". But this kind of connection is only a part of the equipment, such as the connection between the flange and the water pump, so it is not easy to call the water pump "flange parts". Smaller ones, such as valves, can be called "flange parts".

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