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Swagelok® Sight Glasses and Sight Glass Assemblies
Stainless steel, 3-A compliant sight glasses enable 360° monitoring of fluid flow through a borosilicate glass window. Inline and safety sight glasses are available, as well as sight glass assemblies and weld-in sight glass assemblies.
More Information
Download the Accessories for the Sanitary Industries catalog.
Contact your authorized Swagelok sales and service representative.
Inline and Safety Sight Glasses
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Specifications
Material
Surface Finish
Gasket Materials
End Connections
• Types
• Sizes
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304 or 316L stainless steel
Inside and outside diameters polished to 32 µin. (0.81 µm) maximum Ra
Buna N, EPDM, fluorocarbon FKM, PTFE, silicone
Kwik-Clamp, butt weld, Acme-threaded
1 to 4 in. |
Features
- Borosilicate glass window sealed to end connections.
- Safety sight glass adds clear acrylic protective shield.
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Sight Glass Assemblies
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Specifications
Material
Surface Finish
Gasket Materials
End Connections
• Types
• Sizes
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304 or 316L stainless steel
Inside and outside diameters polished to 32 µin. (0.81 µm) maximum Ra
Buna N, EPDM, fluorocarbon FKM
Kwik-Clamp
1 1/2 to 4 in. |
Features
- Easy disassembly for cleaning.
- Quick installation in new or existing clamp lines with same center-to-face dimensions as standard Kwik-Clamp tees and crosses.
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Weld-In Sight Glass Assemblies
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Specifications
Material
Surface Finish
Gasket Materials
End Connections
• Types
• Sizes
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304 or 316L stainless steel
Inside and outside diameters polished to 32 µin. (0.81 µm) maximum Ra
Buna N, EPDM, fluorocarbon FKM
Kwik-Clamp
1 1/2 to 4 in. |
Features
- Connect to standard Kwik-Clamp fittings for quick disassembly—butt weld ferrule included.
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