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Question:

Hydraulic hose connector size 20As shown in Figure six, the angle is 71mm to the edge, 80mm to the diagonal, approximately 34mm higher

As shown in Figure six, the angle of the edge distance 71mm, diagonal 80mm, about 34mm high; and its connection of the pipe joint exposed a small section, measured its outer diameter is 57mm; through these parameters can see the pipe joint screw size is how much? Or see the specifications of the hose.To take something in this, it is not convenient to disassemble temporarily, that can check through standard size, I do not know the check which standard, hose and pipe joint standards are many, I do not call up this kind... Please explain to the master, this call what, check what standard, how to check, through the above parameters can get out what size, etc., thank you very much!! PS: the key is size. Now you're going to do the connection

Answer:

The maximum thread size is M60, but the maximum size is only 50.Press joint standards; hydraulic pipe fittings - screw thread. A standard two; classification; 1. screw internal and external threads two; 2.; according to the tooth shape can be divided into: 1) 2) 3 triangular thread trapezoidal thread; according to the 3. line number single thread and multi thread;; 4. by rotation in the direction of the left and right screw screw two, right standard; 5. by use of different points are: with the common thread, metric thread sealing pipe; two. 1. common metric screw threads; metric screw thread with a capital M, tooth type angle 2 DEG =60; 2. metric screw thread according to pitch
Hydraulic joint standardHydraulic pipe fittings - thread standard twoClassification of threadsThe 1. threaded internal and external threads two;2. according to the shape of teeth can be divided into: 1) triangular thread 2) trapezoidal thread 3) rectangular thread 4) sawtooth thread;3. by line, single, head and multi thread;4., according to the direction of rotation, two kinds of left and right threads, the right is not marked, left plus LH, such as M24 * 1.5LH;5. according to different uses are: metric common thread, thread sealed pipe thread, non threaded sealing pipe thread, 60 degrees taper pipe thread, metric taper thread, etc.
Two. Metric general threads1. metric screw thread with a capital M, tooth type angle 2 degrees =60 (alpha tooth type half angle);2. metric ordinary thread by pitch, coarse teeth, ordinary thread and fine teeth, two kinds of ordinary thread;2.1. coarse tooth ordinary thread mark generally does not indicate the pitch, such as M20 means coarse thread; fine tooth thread mark must indicate the pitch, such as M30 * 1.5 for fine tooth thread, in which pitch is 1.5.2.2. common thread is used for the connection and fastening between the mechanical parts, and the general thread connection is mainly made of coarse thread. The thread strength of the fine tooth thread is slightly higher than that of the same nominal diameter, and the self-locking performance is better.Mark 3. metric screw thread: M20-6H, M20 * 1.5LH-6g-40, where M represents a common thread metric, 20 nominal diameter thread is 20mm, 1.5 pitch, LH said, 6G 6H left, said thread precision grade, precision grade of internal thread uppercase, lowercase precision grade of said external thread, 40 screwing length.

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