Festo QS standard series · source page 41
190651 · QSF-¼-12-B
Exact Festo ordering-table record with current 2026 EN_US datasheet availability verified.
Published ordering evidence
Exact catalog record
- Festo part number
- 190651
- Published type
- QSF-¼-12-B
- Product series
- QS standard series
- Current datasheet year verified
- 2026
- Catalog source page
- 41
- Published row text
- 11 12 20.8 34.8 9.5 21 44 q190651 QSF-¼-12-B 10
Verification boundary
What still needs to match
Tube interfaceConfirm tube outside diameter, material, hardness, insertion depth, and retention requirements.
Thread and sealingMatch metric/R/G thread standard, size, sealing-ring or thread-coating method, and port geometry.
Media and limitsVerify pressure, temperature, media compatibility, lubrication, vacuum use, and required flow.
EnvironmentCheck corrosion class, material, weld-spatter or food-industry requirements, orientation, and current Festo documentation.
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