Please help: I am confuse in the second part of this question attached which is as follows:
Determine the water pressure head (in m) between two soil layers if the water pressure head at top of the aquitard is 30m and the water pressure head at the bottom of the aquitard is 56m. Aquitard...
Solenoid diaphragm metering pumps are available in capacities ranging from 0.74 to 75 l/h at a back pressure of 16 to 2 bar. To be able to meter almost any liquid chemicals, ProMinent uses a very extensive range of materials. (ProMinent).
The flow is very low contact your local dosing pump...