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Recent content by RanHam
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50-Year Replacment or Test Req't (NFPA 25)
1. At least since 2002 NFPA 25. Most likely much longer, but that's when I came into the sprinkler industry, so I'm not sure of the exact timing. 2. One percent of each sprinkler type installed, with a minimum of four sprinkler per sample. For multiple riser locations, I remove and test 1% of...- RanHam
- Post #5
- Forum: NFPA (fire) Code Issues
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Glycerin antifreeze systems
I don't have a suggestion for the expansion piping, but I can suggest Safety Kleen for glycerin and/or propylene glycol recycling. They charge approx $18 per gallon, so you have to add that into your pricing when recharging an antifreeze loop. Randy- RanHam
- Post #2
- Forum: NFPA (fire) Code Issues
