There are not many single ferrule terminal joints on the market now, and most manufacturers are using double ferrule terminal joints, and the market price is about 9-18 yuan, and the price is different according to different types. The joint, whether it is a double ferrule terminal joint or a single ferrule terminal joint, is made of steel, which has the characteristics of firm connection, high pressure resistance, good sealing and repeatability, convenient installation and maintenance, safe and reliable work.
The double compression terminal joint of the pressure transmitter is generally composed of a protective cap at the top + a silk pattern of 4 teeth, a silk pattern of 20*1.5 on the base layer, a PTFE pad, a screw cap, and a welded pipe. In addition to the material, manufacturing accuracy, heat treatment, etc., the performance of the compression pipe joint is also very important to the assembly quality, so the assembly should be carried out according to the following methods.
1. Intercept the pipe on the special machine tool according to the required length, and it can also be sawed by hand, and the straightness of the cut surface and the center line of the pipe shall not be greater than half of the tolerance of the pipe exterior.
2. Remove the inner and outer circular burrs, metal chips and dirt at the end of the tube.
3. Remove the anti-rust oil and dirt of each part of the pipe joint.
4. Put the curtain on the tube in order, and then pierce the tube into the bottom of the cone hole in the joint body and put the ferrule in place. Rotate the tube while tightening the nut until it does not move, and then tighten the nut 1-11/3 turns.
The above is the method of choosing a pressure sensor joint, now we should also understand it, in the future we can refer to the above introduction when choosing a pressure sensor joint, now due to the continuous development of science and technology, so the variety of pressure sensors has become more and more, we must be careful when choosing.
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