Pump of phreatic water blowdown installs the relation of deepness and lift

Shandong Hairui Zhonglian Pump Industry Co. , ltd. The blowdown pump that is a major produces manufacturer. When type selecting of client blowdown pump, manufacturer of my company water pump can provide the before-sales service such as price of pump of blowdown pump model, blowdown, in order to offer client reference, and manufacturer of my water pump can provide the service of product of custom-built pump industry for the client. This product information is the knowledge that installs deepness and lift relation about pump of phreatic water blowdown:

The client asks about a such problems: I should buy a go under waterBlowdown pumpShould put in underwater probably deep 5 meters, discharge 5 meters fast city to manage a network next, such word, those who a few meters of lift choose does pump of phreatic water blowdown want? 5 meters add 5 meters of depth of water, namely should I choose 10 meters lift at least?
This problem is potential everybody at ordinary times not very consideration, explain here, actually correct should be 5 meters lift, is not 10 meters lift, why?
Because water is below the circumstance that does not do work, benthic also can come true to the water of surface through atmosphere rise. So these 5 meters are negligible drop, that is 5 meters lift actually namely enough.
Thank you very much to Shandong Hairui Zhonglian Pump Industry Co. , ltd. The visit of official website! Above is about phreatic waterBlowdown pumpInstall deepness and the introduction that lift concerns, still think to this problem like you deep one pace understanding, or the problem that has price of model of type selecting of product of other pump industry, water pump, water pump, water pump needs to solve, contact this water pump manufacturer please, my company returns production to suck pump oneself, welcome you at any time seek advice.