3D preview of Weld Neck Flange
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Interactive 3D model of Weld Neck Flange

Fittings and adapters

Weld Neck Flange

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Bounding box
190 × 190 × 74 mm
Engine
3D Printing B-rep
Parameters
14
Published
November 4, 2026

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The prompt

Build weld necked flange

Parameters

NameValueRange
Flange outer diameter190 mm60 – 400
Flange thickness24 mm8 – 60
Raised face diameter127 mm40 – 300
Raised face height2 mm0.6 – 10
Hub base diameter108 mm40 – 250
Neck / pipe outer diameter89 mm20 – 250
Hub + neck length from back face48 mm10 – 150
Hub taper length28 mm5 – 120
Through bore diameter78 mm10 – 250
Bolt circle diameter152.4 mm30 – 350
Bolt hole diameter20 mm3 – 40
Number of bolt holes4 mm2 – 12
Weld bevel depth3 mm0 – 10
Edge chamfer1.5 mm0 – 5

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.

Weld Neck Flange - Free CAD Model (STEP, STL) | TextoCAD