--- This page is part of [McDanel Advanced Materials](https://mcdanelmaterials.com). For a complete overview of this site's content, entity data, and subject matter expertise, see our [AI Content Index](https://mcdanelmaterials.com/llms.txt) or [Full Content Archive](https://mcdanelmaterials.com/llms-full.txt). For structured business identity data, see our [Entity Card](https://mcdanelmaterials.com/wp-json/bc-geodesic/v1/entity-card). --- # Sight Windows > OPTICS & WINDOWS Sight Windows McDanel Optical Technologies sight windows are trusted in the most demanding applications.  Using... **URL:** https://mcdanelmaterials.com/optics-windows/sight-windows/ **Type:** Page **Modified:** 2026-08-12 --- OPTICS & WINDOWS ### Sight Windows McDanel Optical Technologies sight windows are trusted in the most demanding applications.  Using industry-leading sealing technology and a deep understanding of our customers’ applications allows us to provide a sight glass window that will perform exactly as needed.  From off-the-shelf products to custom designs McDanel is your one stop shop for sight windows that meets your requirements. ###### Key Features 1. **Range of Environments:** McDanel can provide a combination of materials for window, connector, and sealing to perform in a wide range of environments. Pressures from ultra-high vacuum to 60Kpsi (6890 bar), temperatures from cryogenic to 1850°C (3362°F), and resistivity to an extensive range of chemical environments. 2. **Industry Specifications:** Specifications and quality requirements include but are not limited to: ASME B31.3, B16.5, DIN/EN (7080 & others), ANSI, Sanitary 3-A, USP Type1/Class 6, BPE, NACE MR0175, CRN Certified. 3. **Materials:** We have experience working with Soda Lime, Borosilicate, Fused Silica/Quartz, Sapphire, Calcium Fluoride, Zinc Selenide, and Germanium windows.  4. **Technical Support:** Our technical staff has a deep understanding of numerous applications for sight glass windows and are readily available to discuss your needs. 001 ###### Data Sheets & SDS [NPT Sight Glass Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/NPT-Sight-Glass-Windows.pdf) 002 ###### Data Sheets & SDS [SAE Sight Glass Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/SAE-Sight-Glass-Windows.pdf) 003 ###### Data Sheets & SDS [ASME – ANSI B16.5 Flanged Sight Glass Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/ASME-ANSI-B16.5-Flanged-Sight-Glass-Windows.pdf) 004 ###### Data Sheets & SDS [ConFlat (CF) Sight Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/ConFlat-CF-Sight-Windows.pdf) 005 ###### Data Sheets & SDS [Tri Clamp Sanitary Sight Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/Tri-Clamp-Sanitary-Sight-Windows.pdf) 006 ###### Data Sheets & SDS [Molded Optical Camera-Video Glass Domes (low & high pressure)—Flanged](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/MOLDED-OPTICAL-CAMERA-VIDEO-GLASS-DOMES-LOW-HIGH-PRESSURE—FLANGED.pdf) 007 ###### Data Sheets & SDS [High Temperature Sight Glass Windows – high & low pressure](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/HIGH-TEMPERATURE-SIGHT-GLASS-WINDOWS-HIGH-LOW-PRESSURE.pdf) 008 ###### Data Sheets & SDS [Specialty & Custom Sight Glass Windows](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/SPECIALTY-CUSTOM-SIGHT-GLASS-WINDOWS.pdf) 009 ###### Charts & Guides [Curves Chart](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/Transparent-Materials-Transmission-Curves-Graph.pdf) [Installation Guide](https://dev-mc-danel-advanced-materials.pantheonsite.io/wp-content/uploads/2024/09/Sight-Window-Installation-and-Care-Guide-2021-04-29.pdf) 010 ###### Materials [McDanel Glass](/glass/) [McDanel Sapphire](/sapphire/) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/triclamp.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/10/triclamp.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/09/glass-domes.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/09/glass-domes.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/09/observation-window.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/09/observation-window.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/09/custom-specialty.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/09/custom-specialty.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/NPT-Tapered-Thread.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/10/NPT-Tapered-Thread.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/SAE-J514-O-Ring-Boss-Straight-Thread.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/10/SAE-J514-O-Ring-Boss-Straight-Thread.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/ASME-_-ANSI-Flanges.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/10/ASME-_-ANSI-Flanges.jpg) [![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/ConFlat-CF-Flange.jpg)](https://mcdanelmaterials.com/wp-content/uploads/2024/10/ConFlat-CF-Flange.jpg) McDANEL SERVICES #### We are here to collaborate with your team [Reach Out for a Quote](/quote-request-sight-windows) ![McDanel Tubes](https://mcdanelmaterials.com/wp-content/uploads/2023/10/purity-banner.jpg) ###### Purity, Precision & Performance [Explore Our Core Materials](/materials/) ![Engineers collaborating at McDanel](https://mcdanelmaterials.com/wp-content/uploads/2023/10/custom-banner.jpg) ###### Customization at every scale [Ask for Specialized, Tailored Solutions](/custom-engineered/) ![](https://mcdanelmaterials.com/wp-content/uploads/2024/10/Main-home-banner-02.jpg) ###### Innovation & Rigor [Discover Industries & Applications](/industries-applications/) --- **About this site:** McDanel Advanced Materials. 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