Sight Glass Flange
With Pipe Adapter
For welding on existing pipes
Sight glass flanges with welding sockets are suitable for welding on piping. Opportunities exist anywhere a sight glass is supposed to be added to an existing pipe. Only a matching opening needs to be created on the existing pipe.
Flange: S235JRG2, 1.4571
Glass: Borosilicate glass DIN 7080 (max. 280°C), Soda Lime Glass DIN 8902 (max. 150°C), Quartz Glass (max. 500°C, Special construction)
Seal: C4400, Graphite, PTFE, NBR, Viton
Other materials on request
Mounting the sight glass will influence the main pipe mechanically and has to be considered according to AD 2000 instructions B9.
ACI Type 391
DN100 on DN500 11-391-100-500-2-1-1
Observe pressure-temperature ratings acc. to DIN EN 1092-1!
For steam or corrosive media we recommend mica disks!