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WATER SYSTEM DESIGN THOUGHTS

 

Pressure tanks should be placed as close to the point of water use as possible.

 

Tanks placed a distance from the point of use can cause issues.  Surging, cycling, and low pressure at the point of use can be some of the problems. 

 

The Quickie Vault can be placed in locations as needed, near your house, at campsites, building sites to provide water during construction, then supply water when construction is done for your new home or business.

Pressure tanks, and controls, need to be accessible.

 

Air pressure in a tank should be checked at least once a year.  Lack of air in a pressure tank is a big killer of pumps.

 

Easy access is made available with the use of the Quickie Vault.  No heavy concrete lid to remove, and you do not have to hire a pump truck to lift your pump to check the air in your pressure tank, change out a switch, or replace the pressure relief valve. Any one of these services can cost the price of the Quickie Vault.  

Pressure tank size is very important.  It is probably the biggest killer of pumps.

 

Rule of thumb is one gallon or more, of stored water for each Gallon per minute the pump makes.  This makes the pump run a minimum of one minute.  This run time is needed to cool the windings from the heat created during the start cycle of the motor. 

 

If your pump makes 10 Gallons per minute, then the tank should store a minimum of 10 Gallons of water.

 

The most common type of tank is a "bladder" tank.  It has a bladder similar to a rubber balloon.  The water is pumped into this bladder.  The compressed air around the bladder creates stored pressure,  when the pump stops, the air pushes the water out.

 

A bladder tank is approximately 1/3 water and 2/3 air when full.

To store 10 gallons of water that means the capacity of the tank needs to be 30 gallons.

 

For the most common type  of submersible pump, these are minimum sizing.  Many use 60 to 80 gallon tanks for 10 gallon a min pumps.  Bigger is better for 4" standard type pumps.

Pipe size and material can be crucial in designing a efficient water system.

 

Water volume, elevation gain, and distance to the point of use are considerations in the choosing of pipe and size.  Pipe size calculations should be done prior to installing your system.

 

Have your installer show you the calculations and conclusions prior to installation.  If only to be sure they have been done. Proper sizing can reduce the size of your pump, and reduce your pumping costs over time. 

 

 

Sizing of the wire to the pump is equally important.  Wire size calculations should also be done. I prefer to go to the next larger wire if there is any question.

 

Electricity through wire is similar to water through a pipe. Too small a wire, then there is restriction to the flow of electricity.  With wire the restriction causes heat, and reduced voltage.  Low voltage at the pump can cause damage to the windings of the pump motor.  Your installer should be able to show you either by calculations, or manufacturer's charts what the wire size should be.

Retail                                                                 Email,  ctd@methow.com

                                                                         Cascade pipe & supply, Twisp Wa.


Wholesale                                                           H.D Fowler  Wenatchee Wa

                                                                         Ferguson     Wenatchee Wa

                                                                         Prefered Pump  Spokane Wa

                                                                         Virgil Vaupel  Hinsdale Mt.

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