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Kitchen Hood Fire Suppression

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trashcanman

Mechanical
Joined
Jan 4, 2002
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470
Location
US
Is there a code reference that says exposed fire protection piping for a commercial kitchen hood shall be stainless steel or chrome plated? I think there is, but cannot find it in NFPA or IMC. I cannot see using black steel over food preparation activities. All kitchen equipment for food prep that I have seen is always stainless steel.

I certainly would not sign off on a design using black steel, but know others who would.

I have taken the Ansul Training course and argued with the instructor to no avail on this matter.

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