TLV SS1NL Manuel D'utilisation page 13

9. Troubleshooting
If the expected performance is unachievable after installation of the steam trap, read chapters 5
and 6 again and check the following points for appropriate corrective measures.
Problem
No condensate Float is damaged or filled with
is discharged or condensate
discharge is
The float is sticking to the valve seat
poor (blocked)
Orifice, screen or piping is
clogged with rust or scale
Steam-locking has occurred
Flow exceeds trap's rated capacity
The trap operating pressure exceeds
the maximum specified pressure, or
there is insufficient differential pressure
between the trap inlet and outlet
Steam is Rust and scale have accumulated
discharged or around the valve seat or under the float
leaks from the
The Orifice is damaged
trap outlet
Float is deformed or coated with scale Clean or replace the float
(blowing)
Trap is installed above the maximum
(steam leakage)
allowable inclination angle
Vibration of trap occurs
The air vent strip is damaged
Deterioration of or damage to gaskets
Steam leaks
from a place
Improper tightening torque for cover
other than the
was used
trap outlet
Float is Water hammer occurs
frequently
damaged
NOTE: When replacing parts with new, use the parts list on page 5 for reference, and replace with
parts from the respective replacement parts kits.
Cause
̶ 12 ̶
Remedy
Replace with new float
Clean
Clean
Blowdown through the bypass or
close the trap inlet valve and allow
the trap to cool
Check specifications and reselect
trap suitable for actual flow
Compare specifications and actual
operating conditions
Clean
Replace with new valve seat
Correct the installation
Lengthen inlet piping, then fasten it
securely
Replace with a new air vent strip
Replace with new gaskets
Tighten to the proper torque
Examine the piping for
problems that can cause
water hammer