Fire Sprinkler Alloy Steel Pipe
Schedule 40 welded alloy steel pipe, 1-inch nominal, thick wall, for commercial fire sprinkler systems, UL listed. HTS 7306.50.50 other welded alloy.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless for corrosive environments
Wet systems in harsh areas use stainless.
If with integral sprinkler heads
Pipe fittings with devices under 7307.
If part of mechanical fire system
Sprinkler assemblies may be mechanical appliances.
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Import Tips & Compliance
• Thread engagement charts (8 threads/inch) for sprinkler drops
• Hydrostatic test pressure 2000 psi documented
• NFPA 13 system classification context
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