Description
Lesker - Pneumatic Viewport Shutters



Kurt J. Lesker Viewport Shutters Features:
- Prevent deposition materials from depositing on and ruining viewports
- Shutters are opened in safe conditions, closed while deposition occurs
- Operate to base pressures below 10-9 Torr
- Bakeable to 250°C
Pneumatic Viewport Shutters Feature:
- Solenoid-operated spool valve switches compressed gas between actuator ports (energized to sweep, de-energized to return [not Included])
- Pneumatic actuator has adjustable stops for sweep adjustment
- Flow regulators are installed at each port to regulate air pressure
- Actuator assembly is easily removable with two cap screws for bakeout
- 98 psi maximum input air pressure
NOTE:
- Kurt J. Lesker / Premier Solutions strongly recommend shutters for evaporation and sputtering systems in which material may deposit on the viewport viewing area.
- The "E" dimension is applicable to only the pneumatic viewport shutters.
Dimensional Drawings

Premium Solutions Pte Ltd / Lesker Pneumatic Viewport Shutters