Circular sight glass fitting type 390 PN 16/320 with welding ends according to DIN EN 1092-1 type 11 Type390 mi With welding ends according to DIN EN 1092-1 type 11 USAGE INSTALLATION NOTE Round sight glass fittings are used for observing and illuminating the interiors of closed containers (boilers, tanks, silos, etc.) or pipelines. Type 390 sight glass fittings are round flange fittings with welding ends according to DIN EN 1092-1 for welding, completed with a sight glass plate inserted between the seals and tightly bolted. After welding the base flange, it must be checked whether the sealing surfaces have warped! If necessary, rework must be done! Also, pay attention to the specified torques for the bolting according to the working and maintenance instructions. Operating condition From PN 250 always with additional mica protection DRAWING Materials 10112025 - Subject to technical changes and errors!

Circular sight glass fitting type 390 PN 16/320 with welding ends according to DIN EN 1092-1 type 11 10112025 - Subject to technical changes and errors!

Circular sight glass fitting type 390 PN 16/320 with welding ends according to DIN EN 1092-1 type 11 10112025 - Subject to technical changes and errors!

r Circular sight glass fitting type 390 PN 16/320 Example for Explaining the Code Composition GASKET VARIANT 1) Borosilicate glass according to DIN 7080 or similar 4) Borosilicate glass2 + PTFE wiper SGW 5) Borosilicate glass2 + silicone wiper SGW 8) Borosilicate glass untempered 1) Cover flange according to quotation / order confirmation EXAMPLE STRUCTURE Unless otherwise specified, the highlighted factory standard will be delivered. The product code 11-390-9-1-2-1-4-0 corresponds to the standard version: Base flange made of 1.4571 Cover flange made of 1.4571 Borosilicate glass according to...

Circular sight glass fitting type 390 PN 16/320 with welding ends according to DIN EN 1092-1 type 11 QUICK OVERVIEW Custom made design possible Accessories available OPERATING CONDITIONS OPERATING CONDITIONS DEPEND ON THE CHOICE OF GLASS AND GASKETS: up to 40 barg up to 63 barg up to 100 barg up to 160 barg up to 250 barg up to 320 barg SIGHT GLASS

Circular sight glass fitting type 390 PN 16/320with welding ends according to DIN EN 1092-1 type 11 Type OPTIONAL ACCESSORIES Round mica discs > up to 320 °C with Borosilicate glass > with PTFE, silicone, EPDM or FKM 9 Konigskamp 19 • 52428 Julich • Germany 10112025 - Subject to technical changes and errors!