品牌
经销商厂商性质
所在地
The valve has character of axis of symmetrytype of wafer connection .The disc lined PTFE is made of nodular cast ironseat is made of PTFE . It is suitable for temperature 40 degrees below zero to 200 degrees above 200 . Corresponding handle ,worm gear , pneumaticelectric actuator are attached to it for closingopening .