Fast-Entry Doors

Enable quick and convenient access into vacuum vessels, such as process chambers and load locks.

Features

• Offered in a wide range of UHV flange sizes, with or without viewport glass
• Precision-hinged doors seal with a fluorocarbon o-ring
• Lesker unique counter-bored mounting bolt design enables a maximum diameter opening through the door (order appropriate socket head bolt sets and kits below)
• Viewport glass is sealed with an o-ring and is easily removed for cleaning or replacement
• Threaded knob is engaged to keep door closed during pumpdown
• Comes standard with Borosilicate viewport glass. Replacement Quartz glass available.

NOTE:

• It is recommended the knob be disengaged during the vent cycle to prevent over-pressurization of the vessel

Dimensional Drawing

Lesker Fast-Entry Doors