What does R1/2 pipe joint mean?
Engineering diameter comparison table (commonly used)1 inches =25.4 mm =8 British cents1/2 is four points (4 English points) DN153/4 is six points (6 English points) DN202 in charge of DN84 in charge of DN156 in charge of DN201 'DN251.2 'DN321.5 'DN402 'DN502.5 'DN653 'DN804 'DN100
Large diameter (datum plane) =20.955Medium diameter =19.793Path =18.631Pitch =1.814The number of teeth contained in each inch is 14 teeth
R1/2 means the joint thread is 1/2 inch of taper pipe thread.The thread of R 1/2 is the conical outer tube thread for sealing, the right angle, the tooth shape angle is 55 degrees, and the national standard number is GB/T 7306.1-2000. Its basic dimensions are:
