fire_pipe - Colorado Boxed Beef Corporation Colorado Boxed...

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Unformatted text preview: Colorado Boxed Beef Corporation Colorado Boxed Beef Corporation Auburndale, Florida Auburndale, Florida THE FIRST FOOLS OF FOOD IRRADIATION THE FIRST FOOLS OF FOOD IRRADIATION Tell Colorado Boxed Beef that they should stay out of the irradiated meat business Wednesday, October 17, 2000 Fire sprinkler water distribution system, installed by Brown Automatic Sprinklers, failed on 8/6/98, about a year after installation maximum bending moment for coupled pipe first exposed thread root failure site failure site corresponds corresponds to: to: rust rust pattern pattern Photograph of fractured end showing a helical rust pattern on inside pipe wall which coincides with thread root on pipe exterior Photograph showing cross- section of fractured 1.5 pipe. Photograph showing fracture surface of pipe section which separated from coupling. Note that fracture follows path of a single continuous thread root. note wall thickness beneath thread root Vertical perspective of 1.5 pipe section showing features used in ANSI standard pipe thread analysis. DE DE 2 OD OD h http://www.alliedtube.com/html/fire.htm Pipe supplied by Allied Tube and Conduit Harvey, Illinois 0.1450 in 1.610 in 1.900 in STD 0.1450 in 1.610 in 1.900 in 40, 40S 0.1090 in 1.682 in 1.900 in 10, 10S 0.1040 in 1.692 in 1.900 in ISO C 0.0920 in 1.716 in 1.900 in ISO B 0.0810 in 1.728 in 1.900 in "Dyna-Flow" 0.0650 in 1.770 in 1.900 in 5S wall thickness inside diameter outside diameter pipe schedule 12 foot on center standard hanger spacing [per NFPA] W[H 2 O filled] = 2.71 #/ft M max = 2.71*(12 2 )*12/12 = 390 in-lbs 390 in-lbs per Wiley Engineers Desk Reference per Wiley Engineers Desk Reference http://www.alliedtube.com/html/fire.htm http://www.alliedtube.com/html/fire.htm From specifications for Dyna-Flow pipe, NPS 1.5, wall thickness = [OD-ID]/2 = 0.0810...
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fire_pipe - Colorado Boxed Beef Corporation Colorado Boxed...

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