PVC Pipe Fitting Adapter – Slip to Threaded
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Schedule 40 PVC pipe coupler with a female slip end and a female NPT threaded end. This PVC coupler adapts standard slip-fit PVC pipe to threaded fittings, hoses, or valves — no glue required on the threaded side.
This parametric PVC coupler bridges two of the most common pipe connection types in one printed part: a smooth slip socket sized to standard Schedule 40 PVC pipe, and a true NPT (National Pipe Thread) female thread on the opposite end, cut to ASME B1.20.1 tapered thread specifications for a proper mechanical seal with threaded male fittings.
Available across a full range of inside diameters from 0.5" to 4", covering the sizes most makers actually need for irrigation, plumbing repair, workshop dust collection, aquarium/pond systems, and DIY pipe-frame projects. Each size is generated from validated, print-tested geometry — not scaled from a single model — so wall thickness and thread engagement stay correct at every diameter.
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You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.











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