Discover transparent insight with our inline stainless steel sight glasses. See clearly, act confidently for your lab needs today with our stainless steel sight glasses.
Products List
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
3" Tri-Clamp Sanitary Short Sight Glass With Metal Stainless 304
USA Lab3SSGWITHMETAL$115.00The USA Lab 3" Sight glass allows for viewing of material in a system without adding bulk to the unit. It also has metal around the glass to hold in and better support pressure. 3SSG... -
USA Lab Inline Compression Sight Glass
USA LabISG-C12$79.99The USA Lab Inline Sight Glass allows for visual inspection of fluid/liquid traveling through your system. With the 1/2" compression connection, it's easier to attach it to your existing fittings or place inline With your... -
USA Lab Fused Tri-Clamp Sight Glasses - 1.5", 2", 3"
USA Lab$74.99 - $139.99The USA Lab Fused Tri-Clamp Sight Glass are one of the strongest sight glasses on the market! With the stainless steel sight glass being fused into the metal, it allows for a pressure rating of up to 300PSI. Temperature Rating: -40 °C ~... -
Tri-Clamp Sanitary Short Sight Glass Stainless 304- Various Sizes - 1.5", 2", 3", 6", 12"
USA LabSSG$75.00 - $799.00USA Lab Tri-Clamp Short Sight Glass - 304SS & Borosilicate | Various Sizes Our USA Lab Tri-Clamp Short Sight Glass is built from 304 stainless steel with a durable borosilicate glass window, giving you a clear view into your sanitary process line... -
Inline Sight Glass Stainless Steel 304 - Various Sizes
USA LabISG$71.00 - $76.00Our USA In Line Stainless Steel Sight Glass has a solid gasket design with Viton seals. The total height is 2 1/2” The visible area of the glass sight is 7/8” in length. The Inline sight glasses have a PSI rating... -
Tri-Clamp Tall Sight Glass Stainless 304- 1.5", 2", 6"
USA LabTALLSG$69.00 - $349.99The USA Lab Tall Tri Clamp Sight Glass allows for viewing of material in a system with adding height to the unit. Tri-Clamp Tall Sight Glass Specifications: Size 1.5" 2" 6" Connection 2 x 1.5"... -
USA Lab High Pressure Triclamp Sight Glass 1.5", 2", 3" - 350PSI
USA LabHPSG$59.00 - $79.00Sight glasses offer the ability to view product and process within the tank without exposing the internal portion of the tank to the outside environment. This allows users to view fermentation, extraction or any other process with ease. Our high... -
Meta Sight Glass - Various Sizes
USA LabMETAGLASS$49.99 - $69.99Our USA Lab Meta Sight Glass has a solid gasket design with Viton seals. Meta Sight Glass Tri-Clamp Size Maximum PSI 1.5" 200 psi 2" 150 psi 3" 100 psi (Tri-Clamp and Gasket are not... -
USA Lab Tri Clamp Sight Glass - 1.5" - PTFE & BUNA - 200 PSI
USA LabTCSG-15$42.99 - $59.00Sight glasses offer the ability to view product and process within the tank without exposing the internal portion of the tank to the outside environment. This allows users to view fermentation, extraction or any other process with ease. Our sight... -
USA Lab Sanitary Short Sight Glass Replacement Gaskets - 1.5", 2", 3", 4", 6" & 12"
USA LabSSG-RG$20.00 - $70.00The USA Lab sanitary short sight glass gaskets are made for USA lab products only. The replacement gaskets may not fit other brands sight glasses. Please refer to the measurements chart to ensure these will fit your sight... -
Polycarbonate Sight Glass - Various Sizes
USA LabSG-PC$25.99 - $32.99Our USA Lab Polycarbonate Tri-clamp Round Sight Glass are 1/4" thick. Polycarbonate Sight Glass Tri-Clamp Size Maximum PSI 1.5" 60 psi 2" 55 psi 3" 50 psi (Tri-Clamp and Gasket are not...
Stainless Steel Sight Glasses From USA Lab
Clear Viewing for Safe, Reliable Process Monitoring
Sight glasses give you a direct view inside your system, helping you monitor fluid flow, reactions, and line conditions in real time. USA Lab offers a wide range of tri-clamp, inline, fused, high-pressure, and polycarbonate sight glasses to match both lab-scale and industrial setups. With stainless steel housings and clear viewing windows, these components provide the visibility you need without compromising safety or performance.
Designed for Visibility and Control
Durable Construction
Built with stainless steel 304 housings and fitted with glass or polycarbonate windows, these sight glasses are designed for long service life and dependable performance in daily operations.
High-Pressure Options
Engineered to handle pressures up to 350 PSI, making them suitable for demanding applications where strength and safety are critical.
Sanitary Sealing
Available with FDA-compliant Buna-N or PTFE gaskets for a secure, sanitary seal that meets the requirements of both food-grade and laboratory environments.
Flexible Sizes
Offered in a wide range of tri-clamp sizes from 1.5" to 12" and inline diameters from ¼" to 2" to give you versatile options that match your system design.
Compare Stainless Steel Sight Glasses
| Group | Sizes / Range | Pressure Rating | Notes |
|---|---|---|---|
| Tri-Clamp Short Sight Glasses | 3" 1.5"–12" |
60-120 PSI | Sanitary design for brewing, extraction, or lab systems |
| Tri-Clamp Tall Sight Glass | 1.5"–6" | 40-110 PSI | Extra viewing length for tall vessels or line installs |
| High-Pressure Tri-Clamp Sight Glass | 1.5"–3" | 350 PSI | Reinforced design with Buna or PTFE gaskets |
| Fused Tri-Clamp Sight Glass | 1.5"–3" | 300 PSI | Welded glass-to-metal construction for added strength |
| Inline Sight Glasses | ¼"–⅜" ½" compression |
30-150 PSI | For direct line monitoring in compression or threaded systems |
| Polycarbonate Sight Glass | 1.5"–3" | 50-60 PSI | Lightweight, shatter-resistant option |
| Specialty Sight Glasses | 1.5" w/ PTFE or Buna Gaskets 1.5"–3" Meta Sight Glass |
50-200 PSI | Seals and specialty viewing options |
Everyday Convenience and Control
- Multiple formats — Choose short, tall, inline, or fused designs for your setup.
- Material options — Stainless steel, polycarbonate, and high-pressure glass for different applications.
- Easy maintenance — Replacement gaskets available to keep your seals reliable.
Match the Right Sight Glass to Your Work
- Need standard sanitary viewing? → Choose a tri-clamp short or tall sight glass.
- Working under high pressure? → Use a reinforced tri-clamp sight glass rated to 350 PSI.
- Want extra durability? → Go with a fused design for added strength.
- Need inline visibility? → Pick a compression or stainless steel inline sight glass.
- Looking for lightweight, shatter-resistant? → Select polycarbonate sight glasses.
- Replacing seals? → Order FDA-compliant Buna or PTFE gaskets.
Why Buy Sight Glasses From USA Lab
- Wide range of sight glass styles and sizes.
- Durable stainless steel construction with clear visibility.
- U.S.-based support and fast shipping.
Equipment That Works With Sight Glasses
Pair your sight glasses with:
- Tri-clamp fittings and gaskets for secure, sanitary seals
- Reactors and vessels to monitor fluid levels and reactions directly
- Compression hoses for flexible connections in line systems
- Valves to control flow while keeping visibility at key points
