Ansi Screw sight glass fitting according to DIN 28121:
- Block flange screwed to existing (welding) flange (including manhole, inspection port).
- ANSI 1½” to 8″.
- Operating pressure of 10 bar.
- Temperature of 200° C (PTFE gaskets), 280° C with graphite gasket.
- 300 or 600 LBS.
- Mica suitable for aggressive mediums.
- Special designs to customer specifications possible, temperatures up to 1000° C using Quartz glass.
Materials:
| Flange Block: | H II WN 1.4571 or according to customers’ requirements. |
| Deck flange | H II WN 1.4571 or according to customers’ requirements. |
| Glass: | PTFE-coated gasket or according to customers’ requirements. |
| Gaskets: | Aramid fiber gasket or according to customers’ requirements. |
Options:
Sealing ring 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.
