Enclosures and housings
NPT Pressure Vessel with Diffuser and Bypass Valve
- Bounding box
- 75.8 × 50.8 × 196.4 mm
- Engine
- Precision B-rep
- Parameters
- 24
- Published
- October 14, 2026
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The prompt
You Generate a solid parametric 3D CAD model of a mechanical pressure vessel. Main body: Vertical hollow cylinder, OD 50.8mm, ID 44.8mm, height 152.4mm, wall thickness 3.0mm. Interior: Concentric cylindrical chamber with a 1.5mm recessed annular ledge at z=3mm and z=149.4mm for holding mesh filter discs. Inlet base: Perforated diffuser plate with 12 radial 1.5mm thru-holes. Caps: Both ends feature female 1/2-inch NPT threaded fittings. Valve housing: Integrated 90-degree transverse cylindrical bore with two internal 2.0mm O-ring grooves for a rotary bypass valve. All geometry must be manifold, solid B-Rep, and watertight. TextoCAD AI
Parameters
| Name | Value | Range |
|---|---|---|
| Outer diameter | 50.8 mm | 30 – 80 |
| Inner bore diameter | 44.8 mm | 20 – 70 |
| Body height | 152.4 mm | 80 – 300 |
| Ledge recess depth | 1.5 mm | 0.5 – 3 |
| Bottom ledge z position | 3 mm | 0 – 20 |
| Top ledge z position | 149.4 mm | 100 – 160 |
| Ledge height | 3 mm | 1 – 6 |
| Diffuser hole diameter | 1.5 mm | 0.5 – 5 |
| Number of diffuser holes | 12 mm | 4 – 24 |
| Diffuser plate thickness | 3 mm | 1 – 8 |
| Diffuser plate z position | 6 mm | 2 – 50 |
| Diffuser hole circle radius | 12 mm | 5 – 20 |
| End cap thickness | 6.5 mm | 3 – 15 |
| NPT female hole diameter | 18 mm | 10 – 25 |
| NPT boss outer diameter | 30 mm | 20 – 45 |
| NPT boss height | 15 mm | 8 – 30 |
| Valve bore z position | 76.2 mm | 10 – 140 |
| Valve boss outer diameter | 20 mm | 12 – 35 |
| Valve boss length | 25 mm | 12 – 50 |
| Valve transverse bore diameter | 10 mm | 4 – 18 |
| O-ring groove width | 2 mm | 0.5 – 5 |
| O-ring groove depth | 1 mm | 0.25 – 3 |
| First O-ring groove distance from inner wall | 5 mm | 2 – 15 |
| O-ring groove spacing | 7 mm | 2 – 15 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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