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Classification of hydraulic pipe joint threads
Author:admin Date:2022-09-01
Hydraulic pipe joints are classified according to the thread as follows:
1. There are two types of threads: internal thread and external thread.
2. According to the tooth shape, it can be divided into: 1. Triangular thread 2. Trapezoidal thread 3. Rectangular thread 4. Serrated thread.
3. According to the number of threads, there are single thread and multi thread.
4. According to the screw-in direction, there are two types: left-handed thread and right-handed thread, right-handed is not marked, left-handed plus LH, such as M24×1.5LH.
5. According to different uses, there are: metric ordinary thread, pipe thread sealed with thread, non-threaded pipe thread, 60° tapered pipe thread, metric tapered thread, etc.
