Pressure Tank Sizing

Because the pressure tank is a core component of the entire well system responsible for regulating pressure and for easing the workload of the well pump the importance of selecting a the right well pressure tank cannot be overemphasized.

Pressure tank sizing.

Desired run time of the pump 3. A 20 gpm pump needs a tank with 20 to 40 gallons of storage. See example below with this information in hand you can refer to the flexcon sizing charts below to select the proper tank for your application. The figure that is calculated on line 7 is the total tank volume required based on the given design criteria.

Old pressure tank sizing method in the past pressure tanks were sized to store at least 1 or 2 gallons of water for every gallon per minute the pump can produce. The pump turns on when the system reaches the low pressure cut in and off when the high pressure cut in. Sizing a water pressure tank properly keeps the amount of run time to the water pump held to a minimum. The more a pump must run the more wear and tear occurs to the pumping mechanism and the electric motor.

Pressure and tank size have a direct correlation as one increases so does the other. Selecting a poorly made pressure tank may result in more troubleshooting scenarios than necessary. After we have these three points determined we can then proceed with sizing a pressure tank. You will want to choose a tank with the lowest volume capacity that is greater than or equal to the total required volume.

A pressure tank is an integral part of maintaining your well. A properly sized pressure tank ensures your household water needs are met and your pump is protected against short cycling. An under sized pressure tank can cause a water pump to run an excessively. Pump flow rate in gallons per minute gpm 2.

Almost 2 3s or more of a tanks. The higher the pressure setting the less the drawdown is and thus the need for larger tank capacity. Pressurized well tanks extend the lifespan of your well pump by preventing rapid on off cycling of the pump and maintaining water pressure throughout your home. Pressure tanks amtrol pre pressurized potable water well tanks are engineered to reduce surge and ensure minimum pump run time in municipal well systems and high pressure booster pump applications.

Cut in and cut out psi pounds per square inch of the pressure switch. Properly sizing a water pressure tank ensures that the run time on the water pump is kept at a minimum. Water pressure tanks store water that s pumped from a well and dispense water under pressure when you use faucets and other fixtures. To determine the proper size of the pressure tank there are three factors to consider.

Available in diaphragm full acceptance and partial acceptance bladder designs all well x trol well tanks are made in the usa at our iso 9001 2008. Join john woodard our master water specialist.