Library › Hardware › Tri-clamp dome lids: 1½ to 12 in, plain or with a port at the crown

8 in dome lid with a 1½ in clamp port at the crown, 68.3 from the face to the port face

8 in dome lid with a 1½ in clamp port at the crown, 68.3 from the face to the port face

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

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

Dimensions

size_in1½
tube_od_mm38.1
dome_height_mm6.5
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

Tri-clamp dome lids: 1½ to 12 in, plain or with a port at the crown: every size, notes, mating features and sources. Is there a domed tri-clamp lid with a port on top?

Other sizes