Glass Viewport Sight Glass NW-16 DN16 Vacuum Fittings, KF16 Quick FlangeThese KF Glass Viewport Sight Glass flanges follow International Standards Organization (ISO) Quick Flange Specs. The viewport uses borosilicate glass KF NW in a one-piece assembly. This viewport replaces a blank off cap, includes a Fluorocarbon Rubber O-Ring. KF flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. Uses KF Hinge Clamps for installation. The standard sizes are KF16, KF25, KF40, KF50. These vacuum fittings are made of aluminum 6082. For complete specs see info brochure to the left at DownloadsGlass Viewport, KF16 Vacuum Fittings, DN16, NW16. Bakeout Temp. 150CView Window Diameter: 0.63 in. (16mm)Aluminum 6082Pressure Range: 1 X 10-8 Torr Window Thickness: 3.8mm

Glass Viewport Sight Glass NW-25 DN25 Vacuum Fittings, KF25 Quick FlangeThese KF Glass Viewport Sight Glass flanges follow International Standards Organization (ISO) Quick Flange Specs. The viewport uses borosilicate glass KF NW in a one-piece assembly. This viewport replaces a blank off cap and includes a Fluorocarbon Rubber O-Ring. KF flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. Uses KF Hinge Clamps for installation. The standard sizes are KF16, KF25, KF40, KF50. These vacuum fittings are made of aluminum 6082. For complete specs see info brochure to the left at DownloadsGlass Viewport, KF25 Vacuum Fittings, DN25, NW25. Bakeout Temp. 150CView Window Diameter: 1 in. (26mm)Aluminum 6082Pressure Range: 1 X 10-8 Torr Window Thickness: 3.8mm Material: Borosilicate glass

Inficon Glass Viewport Sight Glass NW-40 DN40 Vacuum Fittings, KF40 Quick FlangeThese Inficon KF Glass Viewport Sight Glass flanges follow International Standards Organization (ISO) Quick Flange Specs. The viewport uses borosilicate glass KF NW in a one-piece assembly. This viewport replaces a blank off cap and includes a Fluorocarbon Rubber O-Ring. KF flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. Uses KF Hinge Clamps for installation. The standard sizes are KF16, KF25, KF40, KF50. These vacuum fittings are made of aluminum 6082. For complete specs see info brochure to the left at DownloadsGlass Viewport, KF40 Vacuum Fittings, DN40, NW40. Bakeout Temp. 150CView Window Diameter: 1.6 in. (41mm)Aluminum 6082Pressure Range: 1 X 10-8 Torr Window Thickness: 3.8mm Material: Borosilicate glass

Glass Viewport Sight Glass NW-50 DN50 Vacuum Fittings, KF50 Quick FlangeThese KF Glass Viewport Sight Glass flanges follow International Standards Organization (ISO) Quick Flange Specs. The viewport uses borosilicate glass KF NW in a one-piece assembly. This viewport replaces a blank off cap and includes a Fluorocarbon Rubber O-Ring. KF flanged vacuum fittings are commonly used to build process vacuum plumbing and systems for industrial applications. Uses KF Hinge Clamps for installation. The standard sizes are KF16, KF25, KF40, KF50. These vacuum fittings are made of aluminum 6082. For complete specs see info brochure to the left at DownloadsGlass Viewport, KF50 Vacuum Fittings, DN50, NW50. Bakeout Temp. 150CView Window Diameter: 2 in. (52mm)Aluminum 6082Pressure Range: 1 X 10-8 Torr Window Thickness: 3.8mm Material: Borosilicate glass