What does the whole copper valve mean?
Industrial oxygen pipes on the valve are all copper valve, hand wheel is not. The market had had 4 6 1 inch screw valve also has a lot of full copper. The tap also has all brass. The valve body and the inside are all copper.
The whole valve is made of copper material. In addition to the ceramic core.
Except the handwheel, all the material of the valve body is copper
