9-2180 South Wellington Road
Rams are devices for pumping water solely by means of water-power. The flow and fall of the water powers the Rife Ram Pump, Driving a portion of this water uphill. This provides a continuous supply of water day after day, year after year, without interruption in service. Given a steady supply of water, a Ram is the closest thing to a perpetual motion machine. Since the device does not require electricity, there are no operating costs, making the Rife Ram system a highly cost efficient one. In addition, Rife Ram Pumps are self-starting and require no Lubrication or primming.
Briefly, here’s how a Rife Ram operates: Water flows down the Drive Pipe to the Ram, developing power in accordance to its weight and velocity. The water then flows through the Outside Valve until it reaches a certain velocity. The Valve then closes shut and water continues through the Inside Rubber Valve. When the water pressure in the Air Chamber equalizes and overcomes the driving force behind it, the water in the Drive Pipe rebounds, or backs up. When the rebound takes place a small amount of air is in sucked through the Air Feed Valve and lodged in the upper portion of the Base. It is then forced into the Air Chamber when the next blow takes place; this prevents the Air Chamber from filling up with water.
This operation is repeated from 25 to 100 times per minute working on a Hydraulic principle, building up pressure in the Air Chamber, which in turn forces water through the Delivery Pipe up to where it is desired.
Time the Flow from the Supply in gallons per minute as accurately as possible. Do not guess this-be sure to measure it. If the supply is low, run the water into a bucket or tub of known capacity. This measurement should be taken during the driest season of the year. See Figure 3. If the water flow is large and it is not practical to measure Flow with a bucket of tub, use a “Weir” (notch in a board). Measure the width of the notch W and the height of the water in the notch H. The height should be measured on a level 2 feet Upstream from the notch as in Figure 4.
This table gives the number of cubic feet of water that will pass over a weir 1 inch wide and from 1/8 to 10 7/8 inches in depth. The figures in the first upright column represent whole inches and those in the top horizontal line represent fractional parts of an inch of depth over the weir. The figures in the second upright column indicate the number of cubic feet or water that will flow per minute over the weir for whole inches in depth, and in succeeding columns, whole inches and fractions under which they occur. Then the number of cubic feet thus found, multiplied the width of the weir in inches, will give the capacity of the stream.
Example: to find the required number of cubic feet of water that will flow over a weir 4 ¾ inches in depth and 30 inches in width, follow down the left hand column of figures in table to four, then across until directly under the ¾ in the top line, to 4.14; this, multiplied by 30 ( width of the notch in the weir) will give 124, the number of cubic feet of water that passes over the weir per minute. To reduce to gallons per minute, multiply by 7 ½ to get 930 gallons per minute.
The difference in vertical elevation between the level of the water at the source and the planned location of the Ram is known as the Fall. This can be easily and quickly measured by using an ordinary carpenter’s level on a stick. Start at the planned location of the Ram and go upwards, as shown in the following illustration.
Bear in mind that, all other conditions being the same, the more Fall available, the more water the Ram will pump. For example, the Ram will pump twice as much water with a Fall of 8 feet as it would with a Fall of 4 feet. Therefore, it is advisable to take advantage of as much Fall as possible. In most cases, merely locating the Ram further downstream will provide more Fall.
The vertical Elevation is the height to which the water will be pumped above the Ram location. It too can be easily determined by using an ordinary carpenter’s level on a stick as illustrated in Figure 5. Start measurements at the planned location of the Ram and work upward to the highest point at which water will be delivered.
INSTALLATION OF RAMS
The Drive Pipe should be metal, (usually galvanized steel), unless encased in concrete. In some cases people have successfully used well-anchored PVC plastic pipes. However, for trouble-free operation we recommend that the Drive Pipe be galvanized steel. It should be straight as possible without elbows, and normally the same pipe size as Intake end of the Ram. It should be watertight and rigidly anchored, with a strainer at the source end to keep out refuse from the Ram. See Figure 6.
The Drive Pipe itself must be of the correct length. Use the following guidelines:
A concrete slab or a large flat rock provides a good solid foundation on which to set the Ram. The best procedure is to put in a concrete slab as a foundation, slightly sloping towards the rear where the unused water will be carried away. After the Drive Pipe and Delivery Pipe are installed and the Ram is in operation, the Ram should be enclosed in a Concrete Pit. The Ram Pit should be large enough to give a clearance of 18 inches from the Ram on all sides in cases any bolts need to be replaced. The Pit should be high enough to prevent flood water from getting in. A sloping shed roof of boards provides good cover, yet, in colder climates it is better to cover the Pit with a concrete slab to prevent freezing. Use a manhole or a metal cistern for an opening to the Ram Pit.
The correct size Delivery Pipe should match the dimension given for each particular size of Ram. Do not install a Delivery Pipe smaller than that is specified. By doing so you increase the amount of friction lost, consequently reducing the amount of water delivered. Avoid right-angled elbows wherever possible. This will minimize friction loss. Do not fill the ditch until the Ram is started and in operation. That way, leaks can be easily located and stopped before water covers the Delivery Pipe.
The installation of a Gate Valve in the Delivery Pipe at the Ram is a great convenience for cutting off water when it is necessary to adjust or too repair a Ram. The ditch for Delivery Pipe should be sufficiently below the frost line.
In case the Delivery Line goes over the top of a hill and down into a valley on its way from the Ram to the delivery point, a small Air Release Valve or Pet Cock should be installed in the Delivery Pipe at the highest point to release accumulations of air from time to time. Otherwise, accumulated air will restrict the free flow of the water.
The overflow pipe should also enter the bottom of the reservoir and terminate with a sleeve joint connection. Into this sleeve joint should be screwed a piece of pipe, the length of which determines the height of water in the reservoir. An emergency overflow should be provided at the top of the reservoir a few inches above the level of the regular overflow.
The Ram Pit should be provided with a Drain Tile to carry off unused water. In many cases the total amount of fall can be increased by sinking the Ram Pit deep into the ground and carrying off the unused water though a long line of Drain Tiles of sufficient length to bring it out at water level downstream. In other cases, it is a choice between increasing the length of the Supply Pipe or running a line of Drain Tile. Usually, it is cheaper to use more tile and less pipe.
Rife Rams are easy to install when instructions are closely followed. There are many different ways Rams can be installed, depending mainly on the lay and character of the ground and other local conditions.
If your conditions are different from those described here, please write to us giving full details of your conditions.
We will advise you in writing on the proper method of installing the Ram.
Calculating Water Delivered
Once you know the Flow, Fall, Vertical Elevation, and distances to and from the Ram, you are ready to calculate the amount of water the Ram will deliver to you. Multiply the available Flow in gallons per minute (V) by the Vertical Fall in feet (F). Divide that by the vertical Elevation (E). Multiply the result by 0.6 (60%), the normal efficiency of a Rife Ram installation:
This will give you the Delivery (D) in gallons per minute using all the available water supply. To obtain gallons per hour, multiply this amount by 60. For gallons per day, multiply by 1440.
SHOWING PERCENTAGE OF WATER USED THAT A RIFE RAM WILL DELIVER
UNDER VARIOUS CONDITIONS OF VERTICAL FALL AND ELEVATION
NOTE: The amount of water used and pumped by RIFE Hydraulic Rams increases with increase in the Vertical Fall from the source of Supply to the Ram, and with increased lift of the Lever Rest during the stroke. This lift determines the opening of the Outside Valve and is adjustable. The range of intake capacity of each model and size of Rife Rams is listed in the Table entitled “Specifications of RIFE Rams” on the back cover of page.
EXAMPLE: A Rife Ram, using a vertical Fall of 12 feet, pumping to an Elevation of 125 feet, will deliver 5.7% of the water used. For a Model 30BU Rife Ram, using 40 gallons per minute, this would be about 2 ¼ gallons per minute. One gallons per minute=60 gallons per hour, or 1440 gallons per day.
More water can be obtained by installing two or more rams in parallel. On irrigation, municipal water supplies and other large projects, a battery of two or more Rife Rams offers unlimited possibilities for an efficient and economical water system. It is often desirable to install two medium sized Rams to pump the same amount of water as one larger sized ram. With a battery installation, the number of Rams in operation can be governed by the amount of water required.
RIFE “Improved” DAVEY Rams allow for a Max fall of 20′ & a Max Vertical Elevation of 100′
RIFE “Universal” Heavy Duty Rams allow for a Max Fall of 50′ & a Max Vert Elevation of 500′
All Davey and HDU Pumps and Parts can be ordered at ABC Water Systems
No. It requires air to operate properly. Excess water must be drained away from the pump.
It can be used on an Artesian well, but not a regular deep well. For a regular well, try a solar pump or a hand pump.
Periodically, a few of the rubber gaskets may need to be changed, but for the most part, no regular maintenance is necessary. The frequency of required gasket changes will depend on water quality and your specific application. Generally, gaskets need to be replaced every two to five years.
Because water is continuously moving through the system, freezing temperatures will not affect the Water Ram so long as the water supply is not frozen. The Ram and pipe should be encased in areas that experience extreme temperatures.
Fall is the vertical distance between the water level at the source and the point where water enters the water ram.
A hydraulic ram is powered by gravity. Water moving downward through a drive pipe gains momentum, which is used to pump a portion of the water upward to its destination. The amount of water delivered is proportional to the fall.
Lift is the vertical distance between ram and the receiving tank. Lift must be 2-3 times the fall.
A Drive pipe is the section of supply pipe which gives the thrust to the Ram and is most important for the function of Ram. Its length should be determined as per specifications.
This is used if the distance from the source to the Rife Water Ram is beyond recommended length. It can be a plastic or steel pipe in between the supply and drive pipe. It must be at least 2 ft above the source and 2 sizes bigger than the drive pipe. In a way this brings water source closer to the Ram.
No. Rife rams cannot operate submerged in water. They must be able to draw in air.
The drive pipe from the water source must be rigid and as straight as possible. We recommend galvanized steel. The discharge pipe may be plastic as long as it is rated for the pressure produced by the elevation to which the water is being pumped. 2.3 feet of elevation produces 1 p.s.i. of pressure.
The amount of water delivered depends on the fall, the elevation to which water is being pumped, and the amount of water entering the ram through the drive pipe. The formula for calculating delivery is: D=VxF/Ex6/10, where D is delivery in gallons per minute, V is the volume of water entering the ram in gallons per minute, F is fall in feet, and E is the elevation the water is being pumped to.
It is a special attachment for Rife Water Rams which enable you to pump water from a spring using creek water to power the pump. It is only available for Rife Rams.
Yes. A battery of Rams can be installed to the same source using different drive pipes as long as there is enough supply of water.
Not necessarily. Depending on water available and amount needed only one pump will do the job.
Ram pumps make a continuous clicking noise while running. The Rife Water Ram can be installed in a pit or above ground with an enclosure. This will help with the noise reduction. In case where an enclosure is used, it should be large enough to give clearance for easy access.
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