the good way for testing steam trap valves
After the Valve opens test should be paid attention to:
1 the emissions -- the water bucket and disc type of trap is
intermittent discharge condensate. Floating ball is continuous
discharge, according to the different type of static heat load may be
continuous may also is intermittent discharge. When the bucket trap load
tiny, because, also for trickle-down effect discharge condensate. This
way of working in these conditions is normal.
2 - don't braising steam braising steam trap fault as through the steam
leakage. Pressure water contains quantity of heat than the heat of
atmospheric water. When water is discharged, the excess heat will make
some condensate second evaporation. How to identify flash steam trap:
users sometimes will confuse what braising steam, what is the leakage of
steam. See below for the different: if the steam jet, become "blue"
steam leakage, steam. If the steam is continuous "gone with the wind"
(whenever traps formed when discharge condensate), white mist, which
braising steam.
The stethoscope test using stethoscope or with a piece of steel rod, put
a trap cover, and the other is posted on the ear, I can hear the
intermittent discharge and continuous discharge is different. In the
correct working condition, can from the trap injection water, increase
the flow of sound judgment. Due to the other voice will pass along the
pipe, so use auscultation test method, need to have experienced person.
The thermometer test method depends on the water pipe test precision
design and trap valve size hole, and, when the discharge to the public,
may have other trap eruption caused by emissions, trap export
temperatures. Therefore, use auscultation method effect is better.
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