API 600 double disc gate valve

API 600 double disc gate valve Design standard ：API 600 Product range ： 1.Pressure range ：CLASS    150Lb~2500Lb 2.Nominal diameter ：  NPS        2~36″ 3.Body material：Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy 4.End connection ： RF   RTJ   BW 5.Mode of operation：Hand wheel, Gear box, Electric, Pneumatic, hydraulic device, Pneumatic-hydraulic device； Product features： 1.Small flow resistance for fluid, only a small force is required when opening/closing； 2.Wedge double disc structure, no limitation on the flowing direction of medium； 3.When valve is full opened, the sealing surface suffered small friction from the working medium； 4.Spring loaded packing can be chosen; 5.Low emission packing can be chosen according to ISO 15848 requirement; 6.Stem extended design can be chosen;