Quick Fittings Size Question
Hey guys I was wondering if any of you knew the inner diameter of the threads for 1/4 and 3/8npt fittings. I have a flow meter here and i cant tell which it is. the pamphlet that comes with it says its either one of these to but i cant discern which one it is. the ID of the threads on the holes are .44-.45 inches.
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You can pick up some cheap barbed fittings at your local hardware store, usually. Sounds like you got 3/8 connections.
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Hi Max, the ones on the back are 1/4" NPT, the ones on the top/bottom are 3/8" NPT. But, for the actual measurements, this is a good site: http://www.engineeringtoolbox.com/np...ds-16_750.html
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Quote:
The OD of 1/4 NPT pipe is 0.54" The ID of 1/4" NPT SCH 10 pipe is 0.410" The ID of 1/4" NPT SCH 40 pipe is 0.364" The ID of 1/4" NPT SCH 80 pipe is 0.302" -->the threaded hole has to be 1/4" NPT if you know it is some size NPT... |
mvc, there is no bottom hole on this ones. kinda wierd. the only holes that are usable are on the back. but the good part about all of this is that i will be able to use the turn dial to ajust the flow.
guys ,btw mvc was the nice chap who let me have these. Thanks man. |
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