What are the Reasons For the Rust on the Surface of the Gate Valve?

For stainless steel gate valves, I believe many people are familiar with them. They often see them in life. They feel that they will not rust, but some have rust. For this reason, many people do not understand.

Gate valve refers to a valve whose closing member (gate) moves along the vertical direction of the channel axis. It is mainly used as a shut-off medium in the pipeline, that is, fully open or fully closed.

Everyone knows that butterfly valves have soft seals and hard seals. Today, butterfly valve manufacturers will tell you whether butterfly valves are more suitable for soft seals or hard seals.

​As a Butterfly Valve Supplier, share with you. A butterfly valve is a valve that uses a disc-type opening and closing member to reciprocate about 90° to open, close and adjust the fluid channel.