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What are the applications of pipe joint in daily life?

Pipe joint is a connecting tool between pipes and a connection point between components and pipes that can be disassembled. It plays an indispensable role in the pipe fitting, and it is one of the two main components of the hydraulic pipeline. The pipe joint is used for straight-line connection of instruments, with socket welding or threaded connection. It is mainly used for small-diameter low-pressure pipeline, which is often installed and disassembled, or used as the final adjustment of threaded pipe fittings. The related products are included in quick and easy to be excellent. The structure form should adopt the metal surface contact sealing structure. The gasket sealing structure form is usually used for conveying water, oil, air and other general pipelines, which are made of malleable cast iron material. In addition, the use requirements and prices are also factors to be considered in selection.

There are many kinds of pipe joints. Commonly used pipe joints can be divided into hard pipe joints and hose joints. According to the connection mode of pipe joint and pipe, there are three types of hard pipe joint: flared type, ferrule type and welding type, and the hose joint is mainly the compression type rubber pipe joint.

In the hydraulic system, the connection mode of the pipe and the pipe joint is also different. The screw in end of the pipe adopts the connection thread. Taper thread is mainly used in the middle and low pressure hydraulic system because of its own vertebral body tightening and sealing operation with polytetrafluoroethylene and other materials. The sealing effect of fine thread is very good, and it is often used in high-pressure system, but it needs to use combination washer or O-ring to seal the end face, and sometimes copper washer is also used. It is more suitable for connecting pipes with thick wall, and its components mainly include joint body, connecting pipe and nut. In use, the joint body is embedded in the target, and the end face is sealed with the gasket mentioned above. The rubber seal is used between the joint body and the connecting pipe, and sometimes the spherical seal is also used.

Since the pipe joint is a detachable connecting element, it must meet the requirements of stable connection, strong sealing, reasonable size, small pressure loss, good process performance, etc., as well as the requirements of convenient disassembly and assembly. Therefore, do not look down on those small pipe joints, because only its existence can support the existence of the entire hydraulic system.