Pipe Threads / General Purpose
Copyrighted material licensed to Fermi National Laboratory by Thomson Scientific, Inc. (www.techstreet.com). This copy d...
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Copyrighted material licensed to Fermi National Laboratory by Thomson Scientific, Inc. (www.techstreet.com). This copy downloaded on 2015-05-12 15:14:59 -0500 by authorized user Fermi National Lab
ASME B1.20.1-2013
Pipe Threads, General Purpose (Inch)
1 INTRODUCTION
1.1 Scope
This Standard covers dimensions and gaging of pipe threads of the following series:
NPT NPSC NPTR NPSM NPSL
1.2 Related Standard
Hose coupling joints are ordinarily made with straight internal and external loose-fitting threads. There are several standards of hose threads having various diameters and pitches, one of which is based on the American National Standard Pipe Thread. By the use of this thread series, NPSH, it is possible to join small hose couplings in sizes 1⁄2 to 4, inclusive, to ends of standard pipe having American National Standard external pipe threads, using a gasket to seal the joint. For dimensions, tolerances, and gaging, see ASME B1.20.7.
1.3 Thread Designations
1.3.1 The types of pipe th...
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