08.11
product manual
HM-4187A
De-Airing Tank
1
Introduction:
The Humboldt HM-4187A De-Airing Tank is designed to remove
dissolved gasses from ordinary tap water. The De-Airing tank requires
a source for vacuum, tap water, and a 110 VAC electrical supply. The
apparatus consists of a closed cylinder with a motor driven impeller.
The rotation of the impeller causes the gasses to separate from the
water while under a constant vacuum. The gasses are evacuated from
the tank at the top. The HM-4187A can be used in conjunction with
any of the distribution panels, as well as the Flex panels.
Installation:
Using 1/4 inch O/D tubing, attach a vacuum line to the connector at
the top of the tank by pushing the line into the connector until it is
fully seated. Using the same size tubing, connect a line from the “Tap
Water Out” connector at the back of the distribution panel to one of
the connectors at the back of the tank base. Connect another line from
the “De-Aired Water In” line at the back of the distribution panel to the
other tubing connector at the back of the tank base.
The HM-4187A De-Airing Tank requires an electrical connection to
operate the motorized impeller. The tank is supplied with an AC to DC
transformer which plugs into a standard 110 VAC outlet. The transformer
also has a plug which connects to the jack at the back of the tank base
under the power switch.
Operation:
After all of the connections are made, fill the tank to approximately ¾
full with tap water. Turn on the impeller using the switch at the back of
the tank base. Turn on the vacuum by rotating the knob on the front of
the distribution panel or Flex panel. On the distribution panel or the Flex
panel, there are two valves for use with the de-airing tank. One valve
controls the filling and draining of tap water into and out of the tank and
the other controls the vacuum or pressure to the tank. The draining and
pressurizing operation is for the purpose of cleaning the tank and not for
test purposes. During a test, the de-aerated water from the tank would
be controlled by another valve on the distribution panel where the water
connection to the base of the triaxial cell is located. Do not fill the tank
with tap water while de-aerated water is being used as this would allow
tap water to mix with the de-aerated water in the sample. Also, do not
fill the tank while using the vacuum as accidental overfilling of the tank
would allow water to be drawn into the vacuum lines and possibly into
the vacuum pump.
2
VACUUM LINE
TAP WATER LINE
DE-AIRED WATER LINE
HM-4187A AIR, WATER, AND ELECTRIC CONNECTIONS
POWER SWITCH
AC TO DC TRANSFORMER JACK
FIGURE 1
TURN KNOB LEFT
TO FILL DE-AIRING
TANK WITH TAP WATER
OR
TURN KNOB RIGHT TO
DRAIN DE-AIRING TANK
3
TURN KNOB LEFT TO
APPLY VACUUM TO
DE-AIRING TANK
OR
TURN KNOB RIGHT TO
APPLY PRESSURE TO
ASSIST DRAINING
OF DE-AIRING TANK
DE-AIRED WATER
FILL DRAIN
OFF
VACUUM
FIGURE 2
DE-AIRING TANK CONTROL VALVES
PRESSURE
AUXILIARY AIR PRESSURE
ROTATE THE KNOB
CLOCKWISE TO
INCREASE PRESSURE
TO THE DE-AIRING
TANK & TO THE
AIR
AUXILIARY AIR
4
CONNECTOR
AUXILIARY VACUUM
FIGURE 3
DRAIN
OFF
FILL
DE-AIRED WATER
PRESSURE
VACUUM
POINT THE KNOB
TO THE RIGHT
TO APPLY PRESSURE
TO THE DE-AIRING TANK
REGULATING AUXILIARY AIR PRESSURE
Warranty
Humboldt Mfg. Co. warrants its products to be free from defects in material or
workmanship. The exclusive remedy for this warranty is Humboldt Mfg. Co.,
factory replacement of any part or parts of such product, for the warranty of this
product please refer to Humboldt Mfg. Co. catalog on Terms and Conditions
of Sale. The purchaser is responsible for the transportation charges. Humboldt
Mfg. Co. shall not be responsible under this warranty if the goods have been
improperly maintained, installed, operated or the goods have been altered or
modified so as to adversely affect the operation, use performance or durability
or so as to change their intended use. The Humboldt Mfg. Co. liability under
the warranty contained in this clause is limited to the repair or replacement of
defective goods and making good, defective workmanship.
Humboldt Mfg. Co.
875 Tollgate Road
Elgin, Illinois 60123 U.S.A.
Testing Equipment for
HUMBOLDT
www.humboldtmfg.com
U.S.A. Toll Free: 1.800.544.7220
Voice: 1.708.456.6300
Fax: 1.708.456.0137
Email: hmc@humboldtmfg.com
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