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2. Mattydale lay - Wikipedia

   en.wikipedia.org/wiki/Mattydale_lay

   [3] [4] [5] There are several different types of "hose loads" in use, which is the way the hose is folded in the lay: Accordion load – The hose is loaded so that when it is flat, it is standing on end. The finished load resembles an accordion. Flat load – The flat hose is simply placed in the track so that it is stacked. Most large supply ...

3. Fracking hose - Wikipedia

   en.wikipedia.org/wiki/Fracking_hose

   Hydraulic fracturing uses between 1.2 and 3.5 million US gallons (4.5 and 13.2 Ml) of water per well, with large projects using up to 5 million US gallons (19 Ml). Additional water is used when wells are refractured; this may be done several times.

4. Hazen–Williams equation - Wikipedia

   en.wikipedia.org/wiki/Hazen–Williams_equation

   [6] The Darcy-Weisbach equation was difficult to use because the friction factor was difficult to estimate. [7] In 1906, Hazen and Williams provided an empirical formula that was easy to use. The general form of the equation relates the mean velocity of water in a pipe with the geometric properties of the pipe and the slope of the energy line.

5. Vacuum ejector - Wikipedia

   en.wikipedia.org/wiki/Vacuum_Ejector

   The strength of the vacuum produced depends on the velocity and shape of the fluid jet and the shape of the constriction and mixing sections, but if a liquid is used as the working fluid, the strength of the vacuum produced is limited by the vapor pressure of the liquid (for water, 3.2 kPa or 0.46 psi or 32 mbar at 25 °C or 77 °F). If a gas ...

6. Residential water use in the U.S. and Canada - Wikipedia

   en.wikipedia.org/wiki/Residential_water_use_in...

   However, manufacturers now offer ultra-efficiency showerheads with maximum flow rate below 2.0 gpm (7.6 lpm). Examples include a showerhead with flow rate of 1.75 gpm (6.61 lpm) at high water pressure and 1.45 gpm (5.48 lpm) at low pressure, or a showerhead with three pressure compensated flow rates (by non-removable pressure compensator) with ...

7. Hose pack - Wikipedia

   en.wikipedia.org/wiki/Hose_pack

   When deployed they always have laterals off the trunk line that allow water to be used at any point in the progression of the hose lay. [4] In structure fire fighting the main type of hose pack is the high-rise pack. It is used in conjunction with standpipes in high rise buildings to quickly deploy hose on multistory buildings. [5]