TLV J3S-X, Instruction Manual

Page: 13 / 40

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 to take appropriate corrective measures.
For maintenance parts and repair parts see page 5
Flash Steam Live Steam Leakage
8. Operational Check
Normal: Condensate is discharged continuously with flash steam and the sound of
flow can be heard. If there is very little condensate, there is almost no
sound of flow.
Blocked: No condensate is discharged. The trap is quiet and makes no noise,
and the surface temperature of the trap is low.
Blowing:
Live steam continually flows from the outlet and there is a continuous
metallic sound.
Live steam is discharged through the trap outlet together with the
condensate and there is a high-pitched sound.
A visual inspection can be carried out to aid in determining the necessity for immediate
maintenance or repair, if the trap is open to atmosphere. If the trap does not discharge to
atmosphere, use diagnostic equipment such as TLV TrapMan or TLV Pocket TrapMan (within
its pressure and temperature measuring range).
(When conducting a visual inspection, flash steam is sometimes mistaken for steam leakage. For
this reason, the use of a steam trap diagnostic instrument such as TLV TrapMan is highly
recommended.)
Steam
Leakage:
Replace the float
Clean
Blowdown through the
bypass or close the trap
inlet valve and allow the
trap to cool
Replace the X-element
Compare specifications
and actual operating
conditions
Clean
Replace the orifice
Clean or replace the float
Correct the installation
Lengthen inlet piping, then
fasten it securely
Clean or replace the
X-element
Replace with new gaskets
Tighten to the proper
torque
Examine the piping for
problems that can cause
water hammer
No condensate
is discharged
(blocked) or
discharge is
poor
Float is
frequently
damaged
Steam leaks
from a place
other than
the trap outlet
Steam is
discharged or
leaks from the
trap outlet
(blowing)
(steam leakage)
Float is damaged or filled with condensate
The trap operating pressure exceeds the maximum
specified pressure, or there is insufficient pressure
differential between the trap inlet and outlet
X-element is damaged
Steam-locking has occurred
Orifice, screen or piping is clogged with rust or
scale
Rust and scale have accumulated around the
orifice or under the float
Orifice is damaged
Float is deformed or coated with scale
Trap is installed above the maximum allowable
inclination angle
Vibration of trap occurs
The X-element is damaged, or clogged with rust
or scale
Deterioration of or damage to gaskets
Improper tightening torque for cover was used
Water hammer occurs
Problem Cause Remedy
White jet
containing
water droplets
Clear, slightly
bluish jet
English