What does the Rc-RF in the flange stand for? What do they stand for?
Rc is the threaded flange,The internal teeth are 55 degrees of degree of PT teeth, the standard of the teeth, the Japanese standard is JIS B0203, the European standard is ISO, the 7-1 German standard is DIN 2999,RF, as mentioned upstairs, means that the sealing surface is bulging
RF indicates the sealing surface RC does not know
Rc is the threaded flange,The internal teeth are 55 degrees of degree of PT teeth, the standard of the teeth, the Japanese standard is JIS B0203, the European standard is ISO, the 7-1 German standard is DIN 2999,RF, as mentioned upstairs, means that the sealing surface is bulging
