Manuli Type Ferrule Fitting

This kind of ferrule fitting suits for both R1AT hose and R2AT hose, the regular size is from 1/4” to 2”, the material is carbon steel with Cr6free zinc plating.

The regular packaging for Manuli Type Ferrule Fitting is bulk packaging: we will display our ferrule into a big plastic bag, and then put them into the boxes, to stand long-time sea delivery, we will use plywood pallet to protect our goods, we also can proceed custom packaging, such as individual packaging for 10pcs or 20pcs in a small bag, or special boxes, just the packaing cost is higher, so if it is possible, we recommend our general export mass packaging, which is already enough to achieve good sea worthy delivery.

Galvanizing refers to a surface treatment technology that coats a layer of zinc on the surface of metals, alloys or other materials for aesthetics and anti-rust effects. The main method used is hot-dip galvanizing. Zinc is easily soluble in acid and alkali, so it is called amphoteric metal. Zinc hardly changes in dry air. In humid air, a dense basic zinc carbonate film will be formed on the surface of zinc. In the atmosphere containing sulfur dioxide, hydrogen sulfide and marine atmosphere, the corrosion resistance of zinc is poor, especially in the atmosphere of high temperature, high humidity and organic acid, the zinc coating is easily corroded. The standard electrode potential of zinc is -0.76V. For the steel substrate, the zinc coating is an anodic coating. It is mainly used to prevent the corrosion of steel. The quality of its protective performance is closely related to the thickness of the coating. After the zinc coating is passivated, dyed or coated with light protection agent, its protection and decoration can be significantly improved.

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