Marine butterfly valves are more demanding and strict than conventional valves. The diameter range is also limited. The thickness of the valve body is relatively thick and the sealing requirement is relatively high.
It is best to use stainless steel when the gate valve is used on the ship. Users should choose carbon steel material. The corrosion rate of carbon steel material is 0.8mm/ year. Due to the limited space on board, it is ideal to use non-rising gate valves. Ductile iron is recommended for use on water.
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