API 602 forged steel gate valve

API 602 forged steel gate valve Design standard ：API 602 BS5352 Product range ： 1.Pressure range ：CLASS    150Lb~2500Lb 2.Nominal diameter ：  NPS        1/2~3″ 3.Body material：Carbon steel, Stainless steel, duplex stainless steel, Alloy steel, Nickel alloy 4.End connection ： RF   RTJ   BW   NPT   SW 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.With solid wedge and expanding seat design, easy to repair and replace; 3.When valve is full opened, the sealing surface suffered small friction from the working medium； 4.Pressure seal bonnet, welded bonnet, threaded bonnet and bolted bonnet can be chosen; 5.Spring loaded packing can be chosen; 6.Low emission packing can be chosen according to ISO 15848 requirement;