Clay drainage systems have served the UK for centuries, valued for their long-term capability, earth-derived materials, and staying power. Crafted from fired clay, these systems demonstrate excellent resistance to chemicals, fitting both surface and foul water uses. Though modern alternatives such as plastic have appeared, clay remains commonly spe

The value of pipe invert level also cuts across to drive circulation techniques where pumps or compressors push flow. Although it is not really as vital compared to its position in gravity systems, invert level influences the choice of the size and placement of the pump.According to the FT Adviser**, drawdown is currently greater than 2 times as we