I am looking at a sprinkler relocation-job were food is to be packaged. They are installing a drop ceiling above the packaging equipment.
I am having a hard time finding a concealed sprinkler head to spec out that has a metal temperature element and a rubber dust cover that is suitable for an ordinary hazard space. The VK538 jumped to mind but they do not offer a rubber gasket for the plate. I just found the TY5521 that says it comes with a rubber dust seal.
Do FDA-grade facilities require dust cover gaskets?
Does adding a dust cover ring to a escutcheon de-list the product?
Thanks in advance.
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