Troubleshooting - Samson 342 Originalbetriebsanleitung

Translation of the original operating instructions
Ball valve type 342
8.

Troubleshooting

Fault
Ball valve does not open or open
fully
Ball valve does not close or does
not close completely
Ball valve leaks between actuator
and ball valve body, medium exits
at the valve spindle
Leakage between ball valve body
and pipeline
Ball valve body leaks
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Potential cause
Foreign matter in the ball valve
Control medium not connected or
defective
Actuator defective
Foreign matter in the ball valve
Control medium not connected or
defective
Actuator defective
Spindle nut or spacer screw
loosened
Wear parts for the spindle seal
defective
For clamp ends: loose locking
clamp
With clamp ends: seal defective
Ball valve body incorrectly
installed in pipeline
Improper assembly
Loose screws of ball valve body
66
Solution
Disassemble and clean the ball
valve
Connect the control medium or
check the control medium supply
Replace the actuator (see chapter
5.3. Assembly & disassembly
of the actuator)
Disassemble and clean the ball
valve
Connect the control medium or
check the control medium supply
Replace the actuator (see chapter
5.3. Assembly & disassembly
of the actuator)
Tighten the spindle nut or spacer
screw
Replace wear parts
For clamp ends: Tighten the
locking clamp
Replace wear parts
Check the assembly of the ball
valve body installed in pipelines
Check ball valve body for damage,
replace ball valve body if
necessary
Tighten screws
BA_Kugelhahn_Typ 342 Version: a