Click to enlargeNW Series Viewports
New Style

Glass Viewports
• NW, QF, KF Series
• Kodial Glass Viewport
• Alkali Borosilicate 7056
• NOT Rated For Pressure

Caution Is Required When Using This Product

NW16 Glass Viewport

NW25 Glass Viewport

NW40 Glass Viewport

NW50 Glass Viewport


LDS NW Series Viewports
• Optical discs are Kodial Glass (alkali borosilicate 7056)
• 304 Stainless

Bakeout to 200°C
• due to elastomeric fluorocarbon o-ring seal
• heating rate should not exceed 2-3° per minute


Caution Required When Using Viewports
• Viewports are rated for Vacuum NOT Pressure

• All viewports are fragile and must be handled and mounted with extreme caution

• NEVER use a viewport that appears to be, or is known to be damaged

• Never scratch the viewing area; a weakened viewport may implode (or explode) under wrong conditions.

• Make sure the glass chosen has a reasonable transmission at the wavelengths of interest.

• Remember, what is not transmitted may be reflected or absorbed.

Contact LDS Vacuum with any questions:
Phone (407)862-4643 via Fax (407)862-8723 or

LDS Vacuum Products is a 100% woman owned company and
a certified Woman Owned Small Business (WOSB)
The logos and/or trademarks appearing on this page are not owned by or registered to LDS but, rather, designate products sold by LDS, and are owned and/or registered to the manufacturers or suppliers of the products.