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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 />

10

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