Ram pressure forumala6/7/2023 I have tested a 1-1/4″ ram pump up to 70′ of lift running off 12′ of head. You would need approximately 7.5 feet of head for a 50′ lift because 7*7.5= 52.5′. ![]() So if your required lift is 50′ and you have 4′ of head you will not be able to reach the desired height. The ram pump will have a 1:7 ratio of feet of head to lift. How high do you need to pump water? check the feet of head that you have falling into the pump from the source. Watch this video showing a simple way to find the feet of head: Without this feet of head you will not be able to use the ram pump. So if you have one or more feet of drop in your water source than you are ready for a ram pump. There is a ratio that determines the results of the pump and that is 1′ of head will give you 7′ of lift. Feet of head (fall of water into the pump) Each pump size below will have the needed flow rate listed.Ĭheck out this video to help you with measuring flow rate:Ģ. The Flow rate for a ram pump needs to be enough to supply a continuous flow to the pump. Example: 5 gallons filled in 6 seconds : 5/6=.833. ![]() Measure your gallons per minute by placing a 5 gallon bucket in the water and collect all the water while timing how long it takes to fill the bucket and divide the gallons of water by the time in seconds and then multiply by 60 seconds to get GPM. Determining the flow rate will help determine the size pump that you need. ![]() Watch this video to understand what the Ram Pump is and how to install it as well as get it running:ĭo you have the flow required to run the Pump? The Ram Pump will need a continuous flow of water to operate. The Hydraulic Ram Pump is a means of moving water uphill without electricity.
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