Product description
NW40 flange blank-off plate, approximately 2.160 in OD x 0.20 in thick, SST304 context
Specifications and identifiers
supported identity
| Fitting type | NW40 blank-off flange Used to close an unused vacuum flange/port. |
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| Material context | SST304 Stainless steel 304 appears in source evidence. |
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| Dimension context | 2.160 OD x 0.20 thick appears in source evidence Dimensions should be verified before use. |
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Applications
vacuum forelines and chamber plumbinggas delivery panelsload-lock or cryopump support hardwareVacuum port blankingPump kit hardwareVacuum line/service hardware
How it works
A blank-off flange is a vacuum or process-gas hardware component used to route, isolate, adapt, or seal gas/vacuum paths.
Correct valve and fitting selection is important for leak integrity, process cleanliness, and safe tool operation.
Technical guide
common
Stainless steel, aluminum, elastomer seals, or vendor-specific wetted materials may be used depending on the exact assembly.
vacuum_sealing
Vacuum fittings and valves rely on compatible sealing faces, gaskets, and actuator/control interfaces.
- NW/KF
- A clamp-style vacuum flange family used for vacuum plumbing.
- VCR
- A metal-gasket face-seal fitting style often used in high-purity gas systems.
What to verify before purchase
- Confirm NW/KF size and actual dimensions.
- Inspect sealing face for scratches.
- Verify material and cleanliness for the process environment.
Confirm with the seller
- Exact finish and cleaning level are not confirmed.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.