UHV Viewport Shutters

Viewport shutters play a vital role in vacuum coating and deposition applications by serving as a critical safeguard for your system viewports. These accessories are specifically designed to prevent material deposition on the viewport glass, ensuring your window remains clean throughout your process. With ANCORP vacuum viewport shutters, protecting your vacuum assembly components has never been simpler.

ANCORP also offers an extensive array of viewports tailored to various deposition needs. Utilize our comprehensive vacuum viewport selection guide to effectively match your transmission requirements with different window materials and coatings, ensuring optimal performance for your specific application.


  • Full closure with 100% view-diameter shielding
  • Rotary motion bellows-sealed feedthrough for actuation
  • 90-degree swing
  • Pneumatic and manual actuation available


  • Operational Temperature: 0-60°C (140°F)
  • Bakeout Temperature: ≤ 200°C (Remove actuator for bakeout)
  • Vacuum Rating: UHV (approx. 1×10-13 Torr)
  • Materials
    • Flange: 304L SS
    • Vacuum Components (Bellows, door, and door rod): Stainless Steel

*Dimensions are in inches unless otherwise specified

Part IDReference NumberFig.Flange ActuationA B C D E F G H 3D CADDrawingUnit PriceIn StockQty, Add To Cart
Part ID9130008Reference NumberCF275-VSFig. 1Flange CF275Actuation ManualA 9.23B 1.11C 1.29D 2.72E 1.63F 1.33G 0.75H 23D CADLoginDrawingLoginUnit Price$2,545.00Contact
Part ID9130000Reference NumberCF275-VS-PFig. 2Flange CF275Actuation PneumaticA 9.39B 1.11C 1.29D 2.72E 1.63F 1.33G 0.75H 3D CADLoginDrawingLoginUnit Price$3,225.00Contact
Part ID9130105Reference NumberCF450-VSFig. 1Flange CF450Actuation ManualA 10.94B 1.63C 2.47D 4.47E 1.63F 1.33G 0.68H 23D CADLoginDrawingLoginUnit Price$2,760.00Contact
Part ID9130100Reference NumberCF450-VS-PFig. 2Flange CF450Actuation PneumaticA 11.12B 1.63C 2.47D 4.47E 1.63F 1.33G 0.68H 3D CADLoginDrawingLoginUnit Price$3,295.00Contact
Part ID9130208Reference NumberCF600-VSFig. 1Flange CF600Actuation ManualA 12.51B 3.06C 3.12D 6E 1.63F 1.33G 0.78H 23D CADLoginDrawingLoginUnit Price$2,990.00Contact
Part ID9130200Reference NumberCF600-VS-PFig. 2Flange CF600Actuation PneumaticA 12.67B 3.06C 3.12D 6E 1.63F 1.33G 0.78H 3D CADLoginDrawingLoginUnit Price$3,665.00Contact
Part ID9130309Reference NumberCF800-VSFig. 1Flange CF800Actuation ManualA 14.15B 3.69C 5.01D 8E 1.63F 1.33G 0.88H 23D CADLoginDrawingLoginUnit Price$3,560.00Contact
Part ID9130300Reference NumberCF800-VS-PFig. 2Flange CF800Actuation PneumaticA 14.31B 3.69C 5.01D 8E 1.63F 1.33G 0.88H 3D CADLoginDrawingLoginUnit Price$4,245.00Contact