What does the pressure gauge connector 12-m20*1.5 mean?
M20x1.5 is the thread size
Others, your model is not complete
The normal stainless steel pressure gauge means Y-60 or Y-100, etc.
Stainless steel shock-resistant pressure gauge is YN-60 or YN-100, etc.
The numbers 60 and 100 indicate the diameter of the dial
