Standard DN40 CF vacuum flanges with clearance bolt holes. DN (or NW) refers to the nominal bore in mm. Also known in Europe / Asia as DN35 or DN38. Known in North America as 2-3/4", referring to the outside diameter.
Typical materials 304L, 316L or 316LN.
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![]() | dn40cf.step | step | September 29th, 2023 |
![]() | dn40cfb41.step | step | September 29th, 2023 |
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