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英语翻译The lines on the chart indicate the maximum capacity of

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英语翻译
The lines on the chart indicate the maximum capacity of hot
condensate the traps can discharge in continuous operation
with the spindle set to 3/4 of its full lift.The absolute
maximum discharge rate of hot condensate with the spindle
in blow-down position is about 15% higher than the chart
reading.The capacity of cold condensate is about 70% higher
than the corresponding hot condensate figure.
Lifting the condensate after the trap reduces the
differential pressure(working pressure)by approximately 2
psi for every 3 feet in lift.
The left hand scales indicate the flow velocities for the
various sizes.The thick lines in the chart are valid for
flow velocities form 1.5 to 10ft/sec.(main range of
application),the thin lines are applicable for higher or
lower velocities.Inorder to find the velocity of flow take
the ppoint of intersection:differential pressure——
capacity and pass horizontally to the scale on the left
.Ifthe velocity of flow must not exceed a certain valve
take a larger-size trap.In general,the velocity should not
be higher than 10ft/sec.
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