The Type 550S flow meter is a robust sight glass designed for industrial applications. The body is made from cast stainless steel 1.4408, which offers excellent corrosion resistance and high mechanical strength.
TECHNICAL SPECIFICATIONS – Type 550S Flow Sight Glass
| Flange material: | Stainless steel – 1.4408 Cast steel – 1.0619 Alloy C22 Other alloys as per customer specifications |
| Form: | Flow Sight Glass |
| Gaskets: | Frenzelit novaphit® MST XP KlingerSil® C4400 Garlock Gylon® PTFE (pure or modified) More than 50 other sealing materials available upon request |
| Nominal size (DN): | DN15 – DN40 |
| Nominal Pressure (PN): | PN15 – PN40 |
| Temperature / Glass: | up to 280 °C with borosilicate glass DIN 7080 |
| Optionals: | Mica protective disc for protection against heat and steam PTFE rotor for visual flow indication |













