What Does The Size 23g Of The Syringe Needle Mean?
Jul 17, 2014
What does the "size 23G" of the syringe needle mean?
The meaning is as follows:
First, "G" unit pipes include steel pipes and plastic pipes. The specific definition of the unit of inner diameter size is based on the pipe manufacturing process. The internationally recognized unit is generally divided into SWGBWGBG and AWG. The definition of the standard is generally used in China. The definition of AWG is used in the country. It can be directly converted only by looking up the table to know how many millimeters the pipe inner diameter corresponds to. In addition, the larger the "G", the smaller the size.
Second, for example, 20G 23G 26G corresponds to AWG specifications 20G=0.812 mm, 23G=0.573, 26G=0.405
The manufacturer will take the precise number when making the pipe, for example, 26G, the manufacturer will make it 0.4mm. 20G will make it 0.8mm.
1. Outer is the outer diameter of the needle, and inner is the inner diameter of the needle, both in millimeters.
2. Generally G (gauge) corresponds to the outer diameter. The inner diameter varies according to the needle type. The same G number has the same outer diameter, but the inner diameter of the thin-walled needle is larger than that of the thick-walled needle. Therefore, there is no absolute correspondence between the inner diameter of the table below and the gauge. It's just the characteristics of a certain type of needle itself. Just remember the outer diameter. Commonly used needles are as small as 31G and as large as 16G.
3. Common specifications are: 26G, 25G, 24G, 23G, 22G, 21G, 20G. 0.45, 0.5, 0.55, 0.6, 0.7, 0.8, 0.9. Brown, orange, medium purple, dark blue, black, dark green, yellow , (The color of the needle handle).
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