Example: biology
Vertical Sump Pumps
Found 2 free book(s)
Water Well Design and Construction
groundwater.ucdavis.eduMost wells are vertical shafts, but they may also be horizontal or at an inclined ... efficient well that has enough space to house pumps or other extraction devices, ... (see sidebar, Well Design Objectives). A well consists of a bottom sump, well screen, and well casing (pipe) surround-ed by a gravel pack and appropriate surface and borehole ...
BASIC HYDRONIC SYSTEM DESIGN - ASHRAE
ctashrae.org8 NEW “SMART” PUMPS Speed varies without sensors High Efficiency ECM zElectronically Commutated Motor zA.k.a. DC Brushless Motor Integral VFD Sophisticated Electronics Residential to Light Commercial TYPE GPM HD (FT.) HP RPM HORIZ. IN-LINE 20 - 375 10 - 75 ¼ - 3 1760, 3500 END SUCTION 40 – 4,000 10 - 400 ⅓- 200 1160, 1760, 3500 VERTICAL IN-LINE 40 – 12,000 10 - 400 ¼ - …