Empty state:
Condensate trickles through the inlet
opening and collects in the container 2. The
diaphragm valve is closed, since the pilot supply line
3 and the solenoid valve 4 ensure
pressure compensation above the valve diaphragm 5.
The larger surface area above the diaphragm results in a high
closing force, so that the valve seat is tight and leak proof.
Filled state:
When the container 2
has filled with condensate and the capacitive level sensor
6 signals at the maximum point, the solenoid valve
is energized and the area above thevalve diaphragm is vented. The
valve diaphragm lifts off the valve seat, 7 and
the pressure in the housing forces the condensate into the
discharge pipe 8.
The BEKOMAT® electronic system now
calculates the discharge rate down to the minimum point and uses
this figure to determine the exact valve opening period required.
The valve will again be fully closed and leak proof before any
compressed air can escape.
Should the condensate discharge fail to
function properly blocked discharge pipe, faulty diaphragm, the
device will change to the alarm mode after 60 seconds. In this
case, the red LED flashes and, if desired, the alarm signal is
relayed via a potential-free contact. While in the alarm mode, the
solenoid valve will open every 4 minutes for a period of 7.5
seconds. This ensures that a BEKOMAT®unit filled in an
unpressurized state will, under pressure, automatically revert to
normal operating conditions and thus clear the alarm.
From the BEKOMAT® the condensate can
flow for treatment into the QWIK-PURE® or ÖWAMAT® oil-water
separator which is designed to deal with condensate contaminated
with free and dispersed non-emulsified or emulsified (QWIK-PURE®
only) oil. In the case of stable emulsions, our BEKOSPLIT® emulsion
splitting plant will clean up the condensate leaving only a minimum
of waste for disposal. Either system will help your company to
conform to the legal requirements concerning the treatment and
discharge of compressed air condensate.