Access Doors for Ultrahigh (UHV) High In-Vacuum (HV) applications.
Ultrahigh (UHV) and High In-Vacuum (HV) Access Doors are available blank or in zero-length 7056 Borosilicate glass configurations.
These unique doors employ adjustable hinge mechanisms that facilitate door-to-flange face alignment, producing uniform gasket compression, fast closures, and reliable pump-down cycles.
Doors include an O-ring gasket made from a Viton elastomer compound. Additionally, they're equipped with a simple and quick-acting, lockable, over-center latching mechanism.
A 4.5 Inch CF size door is currently available. The 4.5 CF access doors have a 2.56 clearance bore, however, maximum bore clearance may be limited by your systems mating hardware.
AG access doors can be mounted to clearance or threaded CF mating flanges.
Bolt kits are available for either mounting arrangement with all the necessary hardware, including nuts and washers.
Larger or smaller custom access door sizes, as well as blind threaded mounting holes (for reverse bolting arrangements), are available on request. For more information on these and other Accu-Glass access door solutions please feel free to contact one of our sales engineers.