valve disc-Surface treatment plating

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Galvanized: beautiful, anti – embroidery.

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Nickel plating: wear resistant and corrosion resistant.

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Chrome plating: improve the surface hardness, beautiful and prevent rust.

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Commonly used: The valve disc is electroplated nickel:

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1, nickel in the air to form passivation film, good stability, resistance to atmospheric, alkali and some acid corrosion.

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2, electroplated nickel crystal is very fine, gas can keep its luster for a long time.

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3, the hardness of nickel coating is relatively high, has good wear resistance.

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