One of many necessary elements to be considered would be the discharge fee of the borewell submersible pump which might be defined as the quantity of water pumped per minute. So, if it is needed for a bigger area the discharge charge have to be larger. The discharge price is measured in litre per minute or litre per hour. Aside from that, all submersible pumps have a performance chart that can help you select the correct stage depending on the motor rating.
If it is on the "properly" aspect of the system then closing that valve will permit *some* water to enter the home as there's presumably water and pressure in the water stress tank that may push that water into the house (till its volume and strain are depleted and of course can't be replenished from the effectively as the well isn't in that case related to the remainder of the system)
Q. "I'm informed that putting in a test valve on the inlet facet of any model of hand pump is a good suggestion. What do you suppose?"
A. For pumps used on very shallow water ranges we don't suppose it issues a lot. But for deeper water ranges (8' or deeper), or for older pumps, a good spring test valve in an accessible vertical part of your drop pipe or using a foot valve may work wonders for the pump's operation. It could actually keep you from the generally-aggravating need to prime it after every use.