Precision Sapphire Technologies, Ltd.

Dzūkų str. 57-34, LT-02117 Vilnius, Lithuania
Tel. +370 5 212 26 91
Fax +370 5 212 26 92
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Sapphire Viewports - High Pressure, Vacuum & Sight Glass Windows

high pressure sight window
high pressure flow level indicator

PST can supply standard and custom designed sight windows (viewports), high pressure windows and vacuum windows. Proprietary methods are used to seal and fuse glass, sapphire, fused silica and other exotic window materials to threaded and flanged metal and ceramic housings.

Pressure Ratings:

Housing Materials:

Viewport Materials:


2000psi pressure sight glass window
high pressure flow indicator

Applications for our Sight Glasses:


sapphire viewport


Do you need a sapphire viewport?
Request for quote now!

Minimum order quantity 10 pieces.

Please fill the Sight Glass Form and email one: .


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