Type SG 423...compact inspection glass panes made of brass. One sided or double sided design. Type SG 253, SG 4203, SG 4204: Inspection glass panes with flange connection for industrial use, double sided design.
SG
Inspection glass panes make it possible to view the insides of pipelines. Flange or Muffen design, interchangeable glass panes. Please request data specification sheets on other types.