44
FEATURES
<< Continued from page 43
Eight common types of valves, greatly simplified! The grey part is the
pipe through which fluid flows; the red part is the valve and its handle or
control; the blue arrows show how the valve moves or swivels; and the
yellow line shows which way the fluid moves when the valve is open.
Acknowledgements
Cobra Watertech
Walker Crosweller
SABS
Infopeadia. A
All pipes, valves, and certain pumps
that come into contact with potable
water are mandatory.