paint on how to identify 1, the product according to the Industrial Valves body material painting, which can identify the color according to the table below the body material is gray cast iron, malleable cast iron, nodular cast iron carbon steel acid-resistant steel, stainless steel, alloy steel to identify painted in the color black in silver grey blue blue note: ( 1) Acid-resistant steel, stainless steel allow don't paint ( 2) Copper alloy not painted 2, in order to show the valve sealing surface of materials, products should be in the transmission of the handwheel, handle, plate hand paint on identification, its color according to the provisions of the table below. Sealing surface material babbitt acid copper alloy steel stainless steel nitriding steel boronization carbide monel alloy cast iron plastic rubber recognition paint color red light yellow blue sky blue sky blue green black note: (deep yellow purple 1) Seat and the opening and closing a sealing surface material is not at the same time, according to the low hardness material color. ( 2) Check valve, painting on the top of the Industrial Valves cover: safety valve, relief valve, steam trap painted on the Industrial Valves cover or bonnet. 3, the transmission mechanism of the paint color, according to the following provisions: ( 1) Electric apparatus: ordinary painted in gray, triad ( Outdoor, explosion-proof, anti-corrosion) At the end of the type painted blue. ( 2) Pneumatic, hydraulic, gear and other transmission mechanism, with the product color.
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