Pressure Balance Lubricating type plug valve
product overview:1, product rational structure, reliable sealing, excellent performance, aesthetically pleasing. 2, the valve opening and closing process was conducted in sealing face from the state, not cause of sealing surface wear."3, two-way flow, it is more convenient to install and use4 parts material and flange size, according to actual working condition of reasonable selecting or user requirements, to meet all kinds of engineering needs.