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Piping Considerations for Mobile Installations
TDH-6 Series Hot Oil Large Temperature Control Units
The following table lists TDH-6 TCU pipe sizes.
Connections for
TO PROCESS
• 2" NPT (50.8 mm) at 90 gpm (341 lpm)
• 2-1/2" NPT (63.5 mm) at 150 gpm (568 lpm)
• 3" NPT (76.2 mm) at 200 gpm (757 lpm)
Water connections for
COOLING WATER DRAIN
• ¾" NPT (19.1 mm) for 3.9 & 6.7 sq. ft. heat exchangers.
• 1" NPT (25.4 mm) for 13, 21, & 27 sq. ft. heat exchangers.
The customer is responsible for conversions to metric standards.
Notes: Always use a backup wrench to support TDH-6 unit piping
when making connections. Make sure all external piping is
supported independently of the TDH-6 unit.
AEC, Inc. recommends that you have strainers installed on
the cooling water inlets and customer-supplied shut-off
valves on all piping connections. Use common black
welded pipe for permanent installations.
The TDH-6 is designed to operate with an open,
unrestricted drain line. Steam rapidly expands within the
heat exchanger, so any overpressure condition from
backpressure or standing columns of water against the drain
must be avoided.
If you must use a pipe joint compound, use a compound that can
withstand the high temperatures and pressures of your TDH-6 unit.
Always insulate all piping to prevent burn hazards and to retain
heat. Make sure insulation is properly rated for maximum
operating temperatures of your TDH-6 unit.
Because your TDH-6 unit is not fitted with casters, it should be
secured to the floor with the appropriate hardware. You can
purchase high-quality flexible metal hose from AEC, Inc to allow
for thermal expansion of the process piping; state the length you
want when ordering.
and
FROM PROCESS
COOLING WATER SUPPLY
are:
lines are:
and
Page 21
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