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■
E
PDT-079d
■
-4-
TD-10NA TD-30NA
(6)
Carry out the connection with pipes properly.
※
Improper piping connection may cause the leakage of fluid.
(7)
Do not use a quick-operating valve in front and behind of trap not to produce water hammer.
※
Trap can be damaged.
(8)
Install a trap lower position as possible to collect condensate. And keep piping slope.
(9)
Do not insulate the product.
(10)
When installing a trap on main pipe of steam, prepare drip leg before the trap.
(11)
Install a trap where atmosphere temperature is lower than discharging condensate has.
(12)
By-pass line provided in parallel to the trap can give such advantages as follows.
・
By opening the by-pass valve, large volume of condensate and air on start up can be quickly discharged.
・
Newly installed piping can be blown off easily by closing the valves on the inlet and outlet sides and by
opining the by-pass valve.
・
Inspection of a trap and replacement of parts can be done without stopping the line operation.
6.2 Example of piping
Description
Correct
Incorrect
When installing by-pass
line, prepare stop valve
to the outlet side of a
trap.
Steam trapping near a
regulating valve shall be
provided to the inlet
side.
(mm)
X
Y
Z
TD-10NA
90
90
70
TD-30NA