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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Pipe Threads
Is there any difference between BSP and NPT pipe threads.Are they completely
incompatable or is the difference too small to matter.TIA Les |
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Les wrote:
Is there any difference between BSP and NPT pipe threads.Are they completely incompatable or is the difference too small to matter.TIA Les Don't try it, especially if there's code and/or liability factors involved. The smaller sizes can be jammed together, but all throughout the size range the thread pitch and thread forms are incompatable. NPT to BSP "adaptors" are available to let you properly sanctify "mixed marriages" when needed. Jeff -- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) "As long as there are final exams, there will be prayer in public schools" |
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On Wed, 05 Jan 2005 11:22:05 -0500, Jeff Wisnia
wrote: Les wrote: Is there any difference between BSP and NPT pipe threads.Are they completely incompatable or is the difference too small to matter.TIA Les Don't try it, especially if there's code and/or liability factors involved. The smaller sizes can be jammed together, but all throughout the size range the thread pitch and thread forms are incompatable. NPT to BSP "adaptors" are available to let you properly sanctify "mixed marriages" when needed. Jeff That is the definitive statement on the subject. Mark Rand RTFM |
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