Pure iron anode is mostly applied for the protection of copper alloys (tube) of heat exchanger or fresh water facility as positive pole that has much less carbon than other general iron, and especially useful in stress corrosion of copper alloys tube.
A Choke Valve is an important part of Wellhead Christmas Tree and Choke Manifold. It is usually used in well control operations to reduce the pressure of a fluid from high pressure in the closed wellbore to atmospheric pressure. It may be adjusted (opened