The galvanized steel pipe used for life is connected to the thread, also known as the wire buckle connection. Generally, the nominal diameter does not exceed 100 mm, and the water supply pipes with no more than 1 mega -pipe can be connected.
The thread connected to the pipeline is also the same as the tube, which are divided into two cones and cylindricals. Generally, if the pipeline is caused by hand, it is usually a tapered tube thread.
The splitter and other technical requirements of the cylindrical tube thread are the same as the conical tube thread.
The tube thread can be made of pipe hinge plate, and can also be made of lathe -car.
There are several different ways to connect the tube thread. For example, the cylindrical internal thread is put into the cylindrical outer thread; The latter two ways can get more close connections, so it is also the most commonly used connection method.
When the pipe is connected with a thread, appropriate fillers should be added between the outer thread of the tube and the inner thread of the tube. The commonly used fillers are oily roots and white thick paint. The specific method is: on the tube (outer) thread of the set of sweat, along the direction of the thread, wrap a thin and uniform oil hemp root, and then apply white thick paint on the surface of the hemp root, and then rotate the connector. It must be noted that when using hemp root white thick paint, it should be avoided into the tube to avoid blocking.
After tightening the connector, in order to clean the interface, eliminate excess oil roots and white paint and wipe it clean.
The use of oily hemp roots and white thick paint not only plays a sealing role in the medium. It also plays a rust -proof effect on the processed tube thread.
