521 High Pressure Sight Glass With welding ends, up to 1000 bar

High Pressure Sight Glass
With wleding ends, up to 1000 bar, max. 280°C

Special constructions for 1000 bar and higher temperatures possible on request!

For observation of filling and flow in piping. The Sight Glass enables a reliable survey of function and performance of single devices and complete plants.

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Body: Any weldable material
Glass: Borosilicate glass DIN 7080, Quartz glass, Mica sheets, META®-Glass, Saphire glass
Seal: Graphite MST

Other materials available on request

ACI Type 521
Borosilicate glass          11-521-150-160-1-7
Seal Graphite
Standard construction

Some combinations of geometry and material might be unavailable!
Please contact us in any case before order!

For corrosive media or steam, we recommend mica disks.


Nominal diameter DN50, DN80, DN100, DN125, DN150
Pressure rating PN1000
Sight glass body 1.4404, 1.4571
Process Connection ANSI flanges, DIN flanges
Shape Inline Sight Glasses
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