3.6.1.1 The piston rod (piston rod) belongs to the action element, including the need to avoid marine organisms from adhering, polluting, and corroding. Consideration should be given to choosing beryllium copper or other materials with similar properties. <br>3.6.1.2 The internal sealing sliding surface and sealing surface shall be made of stainless steel or corrosion-resistant alloy steel, including cylinder body (tube) and end cap (end cap). <br>3.6.1.3 Fastener parts, parts that directly contact seawater, shall be made of seawater corrosion-resistant materials, including bolts and rod ends. <br>3.6.1.4 The spring is made of corrosion-resistant alloy material 718, or other schemes approved by the owner.
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