l is aligned with valve body channel, the general plug valve is fully opened. Main Characteristics1.the main advantage of this orbit valve is that the disc and plug are break away from each other during the process of closing, there is zero friction during closing, there is no abrasion for sealing surface, besides orbit valvess adoped soft sealing which guaranteed zero leakage when close the valves.2. Bi-direction flow, which is more convenient for installation and usage.3. For the spare parts m