Screw sight glass fitting DIN 28121:
- Block flange screwed to existing (welding) flange (including manhole, inspection port).
- DN 40 – DN 200.
- Operating Pressure 10 and 25 bar.
- Temperature of 200° C.
- Mica suitable for aggressive mediums.
- Special versions available according to customers’ requirements.
- Optional certificate 2.2 or 3.1 B to EN 10204.
Materials:
| Flange Block: | H II WN 1.4571, or according to customers’ requirements. |
| Deck flange: | H II, C 22.8, WN 1.4571 or according to customers’ requirements. |
| Glass: | Borosilicate glass DIN 7080. |
| Gaskets: | PTFE-coated gasket or according to customers’ requirements. |
Options:
Gasket F, N or V13 form, for higher temperatures with a rubber flange.
Available with (Ex) lights, camera, wipers, washer, O-ring seal (vacuum seal), double glass with heating element, mica, glass protection and fused sight glass.
