Stainless steel ball, one, two, three pieces of internal and external structure what is the difference?
Mainly from the valve structure to classify, a piece of ball valve is the valve body is a whole
The ball is put in the side, and there is a gland locking sphere at one end. The two piece ball valve adopts the left and right body; and the three piece ball valve adopts three parts: the left and right body and the intermediate part,
