522 High Pressure Sight Glass With Female Thread connection

High Pressure Sight Glass
With Female Thread connection, up to 160 bar, max. 280°C

Special constructions up to 1000 bar available on request!

Flow Sight glasses for high pressure are suitable for installation in piping of several types.
The sturdy construction allows the observation of flow or filling processes at high operating pressures of up to 160 bar.

Show all product specifications

Body: 1.4571
Glass: Borosilicate glass
Seal: Graphite MST

Other materials available on request

ACI Type 522
Body 1.4571
Borosilicate glass          11-522-2-14-1-1-7-00
Graphite seal
Standard construction

Some material combinations may influence operating conditions!
Please consult us for any order!

For steam or corrosive media, mica disks should be used!


Nominal diameter DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2", 3", 4", 5", 6", 8", 10"
Pressure rating
Sight glass body
Process Connection
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