Xem Studiomeasured geometry

Library › Tri-clamp & pipe › Butt-weld 180° return bends, long and short radius (ASME B16.9), NPS…

NPS 1 Sch 40 180° short-radius return bend

NPS 1 Sch 40 180° short-radius return bend: OD 33.40 × 3.38 wall, centre-to-centre 51.0 mm; ends square, both end faces in one plane

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

From the full sheet

Butt-weld 180° return bends, long and short radius (ASME B16.9), NPS 1/2 to 12: centre-to-centre O and back-to-face K: every size, notes, mating features and sources. What are the dimensions of a 180° return bend (U-bend): centre-to-centre and back-to-face?

Other sizes