Valve handle, body brush painted in different colors on behalf of what material ah?
3. The paint color of the driving mechanism shall be as follows:(1) electric device: ordinary type, painted gray, three in one (outdoor, explosion proof, anti-corrosion), painted blue.(2) pneumatic, hydraulic, gear and other drive mechanism, with the coloring products.(Note: refer to GB12220 universal valve mark and valve identification coating.)
2, in order to express the sealing surface of the valve material, should be in the drive handwheel, handle, board hand to identify the paint, and its color press the provisions of the table. Sealing surface material of copper alloy Babbitt acid resistant stainless steel nitrided steel boronized steel hard alloy Monel alloy plastic rubber cast ironIdentification paint color big red, light yellow, sky blue, sky blue, sky blue, dark yellow, purple, red, green, blackNote: (1) the seat and a closure sealing surface material and by coloring materials of low hardness.(2) check valve, painted at the top of the valve cover: safety valve, relief valve, trap painted on the bonnet or bonnet.
1, valve products are identified by body material, painted, and its color press tableThe valve body material cast iron, malleable cast iron ductile iron carbon steel, stainless steel and acid resistant steel alloy steelIdentify paint colors, black, silver, grey, sky blue, medium blueNote: acid resistant steel and stainless steel are not permitted to be painted and copper alloy is not painted.
