What to do if KUGELHAHN MÜLLER KM-O Control Unit malfunctions?
If the KUGELHAHN MÜLLER Control Unit malfunctions, first check the actuator unit and control commands. If the actuator and control are working, disassemble the valve, observing all warnings. Check the valve for damage, and repair if the ball valve is damaged. Request spare parts and instructions from the manufacturer.
What to do if there is leakage at shaft seal (KM-T type) of KUGELHAHN MÜLLER KM-O?
If leakage occurs at the shaft seal of your KUGELHAHN MÜLLER Control Unit (KM-T type), retighten the Belleville spring using these steps, observing all warnings: 1. Unscrew lever or actuator unit from connection flange to valve body. 2. Retighten stuffing box (=item 8 in sectional drawing) with the following torques: DN15–32 = 40 Nm, DN40–65 = 70 Nm, DN80-100 = 100 Nm, DN150 = 140 Nm. 3. Rotate shaft several times to check proper operation. 4. Check tightness of stuffing box with operating pressure in the valve, observing all warnings. Then reattach lever or actuator unit.
What to do if there is leakage at the connection of the valve body parts of KUGELHAHN MÜLLER KM-O Control Unit?
If there is leakage at the connection of the valve body parts of your KUGELHAHN MÜLLER Control Unit, retighten the screws using a torque wrench as indicated in the assembly instructions. If the leakage persists, disassemble the valve, observing all warnings, and replace the flange seal and valve body seal. Request spare parts and assembly instructions from the manufacturer, and reassemble according to the assembly instructions.
What to do if there is leakage at shaft seal (KM-O type) or excessive leakage in CLOSED position of KUGELHAHN MÜLLER KM-O Control Unit?
Repair of the KUGELHAHN MÜLLER Control Unit is required. Request spare parts and assembly instructions from the manufacturer. Disassemble the valve, and reassemble it according to the assembly instructions, observing all warnings.
How to fix leakage at flange connection to pipe of KUGELHAHN MÜLLER KM-O?
To fix a leak at the flange connection to the pipe of your KUGELHAHN MÜLLER Control Unit, first retighten the flange connection. If the leakage continues, disassemble the valve, observing all warnings, and replace the flange seal.
General| Brand | KUGELHAHN MÜLLER |
|---|---|
| Model | KM-O Series |
| Category | Control Unit |
| Language | English |
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