The pipe joint is a connecting tool between the pipe and the pipe, and is the connection point between the component and the pipe which can be disassembled. In the pipe as an indispensable role, it is one of the two main components of the hydraulic pipe. Pipe Joint for instruments such as straight-line connection, the connection form of socket welding or threaded connection. Mainly used for small diameter low-pressure pipeline, for the need for frequent assembly and disassembly of the site, or as the use of threaded pipe line of the final adjustment purposes. Structural form should adopt metal surface contact seal structure, gasket seal structure is usually used for conveying water, oil, air and other general piping, the use of malleable cast iron materials. In addition, the use of requirements and prices are also selected when the factors considered.
There are many types of pipe joint, commonly used pipe joint can be divided into two kinds of hard pipe joint and hose joints. If in accordance with the pipe joint and pipe connections to point, hard Pipe Joint are flaring, card sets and welding three, hose connector is mainly buckle hose connector.
Hydraulic systems in the pipe and pipe joint are also connected to the way, the pipeline is used to connect the screw thread. Taper thread with its own vertebral tightening and the use of PTFE and other substances for sealing operation, mainly used in low pressure hydraulic system. The sealing of the fine thread is very good and is often used in high pressure systems, but it requires the use of a combination of gaskets or O-rings for closed work on the end face, and sometimes with a copper gasket, which is more suitable for connecting wall Thick pipe, the main components of the joint body, take over and nut. In use, the connector body is embedded in the target, with the use of the gasket described above will be sealed, the connector body and the nozzle between the rubber seal, and sometimes use the ball seal way.
Since the pipe joint is a detachable connection element, it must meet the requirements of disassembly convenience in order to meet the requirements of normal connection, strong sealing, reasonable size, small pressure loss, good process performance and so on. The Therefore, do not underestimate that a small pipe joint, because only its existence can support the existence of the entire hydraulic system.