Appendix
8
Troubleshooting
WARNING
Risk of injury and poisoning due to hazardous or hot
media.
Use personal protective equipment when carrying out any
work on the fitting.
Safely collect the media and dispose of it in accordance
with environmental regulations.
Consult with the manufacturer regarding faults which are not
identified in the following table, or which cannot be traced to
the indicated causes.
Error
Possible cause
Corrective action
Medium is leaking out of the flange
Pre-tension of the O-ring too small
Retighten flange fittings
(→ 9.2 Flange installation, Page 12).
Medium leakage at the stem
O-ring worn
Replace fitting.
Fitting does not close completely
Ball seals worn
Ball worn
(→ 7.2.3 Fix leakage at ball valve
stem, Page 10).
Tab. 4
Troubleshooting
9
Appendix
9.1
Technical specifications
Technical data (→ data sheet).
9.1.1
Mechanical specifications
Size
Value
Process conditions (medium)
Pressure and temperature
→ Data sheet
Pressure loss curve
→ Data sheet
Flow characteristic
→ Data sheet
Materials in contact with medium
Ball
PVC-U, PP, PVDF
Ball seal
PTFE
Seals
FPM, EDPM
Housing
PVC-U, PP, PVDF
Tab. 5
Mechanical specifications
300 876
BA-2022.07.19 EN
C 110
11
