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In pipe line: „« Green for fresh water „« Crimson red for steam „« Signal red for fire fighting „« Dark brown for oils or combustible liquids „« Orange for chemicals „« Light blue for air „« Black for process effluents (drain / vent/ flare, etc) Gas Cylinders „« Black for oxygen „« French gray for Nitrogen „« Maroon for acetylene Found This Useful? +Vote Up This Page Via Google. Why Vote? User validation is extremely important for good content to prosper. | 4732 views3 replies Knowledgebase Categories Popular Discussions |
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