What are the thread connections of the pressure gauges?
There are three sizes of M10*1, M14*1.5 and M20*1.5 specifications
The current GB/T standard of China "1226-2010" provisions of the general pressure gauge: shell diameter mm:40, thread size: M10 * 1 thread length: 10 outer diameter mm:60, thread size: M14 * 1.5 thread length: 14 mm:100 - 250 shell diameter, thread size: M20 * 1.5 thread length: 20
Upstairs is indeed correct, these three are very common, usually may also have BSP and NPT and other standard interfaces, see which side, the company's internal standards as much as possible, convenient for maintenance
