A pipe joint is a connection tool between a pipe and a pipe, and is a connection point that can be disassembled between a component and a pipe. It plays an indispensable role in the pipe and it is one of the two main components of the hydraulic pipe. Pipe joints are used for straight connections such as meters, socket connections or threaded connections. It is mainly used for small-diameter low-pressure pipelines, which are used for parts that need to be frequently dismantled or used as final adjustments for the use of threaded pipe lines. The structure should adopt the metal surface contact sealing structure. The gasket sealing structure is usually used for conveying water, oil, air and other general pipelines. It is made of malleable cast iron material. In addition, the use requirements and prices are also factors considered when selecting.
There are many kinds of pipe joints, and the commonly used pipe joints can be generally divided into hard pipe joints and hose joints. According to the connection method of pipe joints and pipes, there are three types of hard pipe joints: flared, sleeved, and welded. The hose joints are mainly crimped hose joints.
There are also different ways of connecting the pipes and fittings in the hydraulic system. The connection end of the pipe is the connection thread. Taper thread is mainly used in medium and low pressure hydraulic systems because of its own vertebral body tightening and using PTFE and other substances for sealing operation. Fine tooth thread sealing is very good, often used in high pressure systems, but it requires the use of a combination washer or o-ring to work against the closure of the end face, and copper washers are sometimes used, which are more suitable for comparison in the connecting pipe wall Thick pipes, the main components of the joint body, joints and nuts. In use, the joint body is embedded in the target, and the end face is sealed in conjunction with the aforementioned washer. The joint between the joint body and the joint pipe is sealed with rubber, and the spherical seal is sometimes used.
Since the pipe joint belongs to a removable connecting element, it must meet the requirement of convenient disassembly and assembly in addition to the requirements of normal connection stability, strong sealing, reasonable size, small pressure loss, good process performance, and the like. . Therefore, don't underestimate the small fittings, because only its existence can support the existence of the entire hydraulic system.
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