introduction
introduction
introduction
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Taking these elements in turn, we begin with the valve chambers and the vacuum interface<br />
valves installed therein.<br />
1. Valve Chambers / Sumps<br />
ISEKI INTERFACE<br />
VALVE<br />
SUCTION PIPE<br />
SEWAGE ENTERING<br />
WET SUMP<br />
Figure 3.1<br />
FLEXIBLE<br />
TUBING<br />
VALVE CONTROLLER<br />
SEWER PIPE UNDER<br />
VACUUM PRESSURE<br />
AIR PRESSURE WITHIN<br />
SENSOR PIPE INCREASES<br />
Figure 3.2<br />
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