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Hand Water Pumps: Motorized, Solar. Shallow or deep wells.

How the Simple Pump System works.

How the Pump Works

The Simple Pump is a positive displacement progressive lift pump...sometimes referred to as a "sucker rod" pump. A chain of sucker rods, inside the drop pipes, provide the mechanical connection between the energy input at the surface (hand-operated or motor) and the part that does the lifting at the bottom (the piston in the pump cylinder).

In spite of the term "sucker rod", there is no suction involved. A suction type of pump can work to a theoretical maximum of 32 feet. Because of the realities of hardware, the practical depth limit for such pumps is around 25 feet.

The Simple Pump works by a completely different mechanism. It LIFTS from the bottom.

We'll describe the action for hand operation --- The lever arm (handle) is lifted up, pushing the rods and piston down. The lower ball valve in the cylinder seals with the pressure. The upper seal in the piston lifts and water flows to above the piston. (See right.)

Then the lever arm is pushed down, lifting rods and piston up. The ball valve in the piston seals in its seat and the whole column of water above the piston is lifted up. Simultaneously, water rushes into the pump cylinder from its bottom, ready for the next cycle.



Parts of the Pump System

* Please note: parts not to scale.

PUMP HEAD, WITH LEVER OR MOTOR

The PUMP HEAD, with hand-lever, motor, or assisted hand drive, is the assembly visible above the ground. Here it is shown with the lever arm (handle), mounted on a well cap, on a few inches of well casing.


DROP PIPE KIT
The TOP DROP PIPE is has a 1/16" diameter weep hole drilled 4 feet down from the top. When the pump is not being used, the weep hole allows the water in the head to bleed out, so, in cold climates, the water won't freeze. And in hot climates, water does not stay in the pump head being heated.

A series of drop pipe kits reaches down below your water. The rest of the drop pipes are the same as the top drop pipe except there is no weep hole. The drop pipe kits make up most of the height of the pump system. All the DROP PIPE KITS (these plus top and bottom) carry water from the stainless steel pump cylinder at the bottom to the stainless steel pump head at the top.


PUMP CYLINDER
The 17”-long stainless steel pump cylinder comes in two sizes.

The 100, 3 gallons per minute model uses a 1.5” diameter pump cylinder made for deep wells. The 1.75” diameter 125, 5 gallons per minute model in intended for more shallow wells, where less force is needed to move the water to the surface.




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SIMPLE PUMP COMPANY, LLC
1140 Amarillo Drive, Gardnerville, Nevada 89460-7504
Phone: 877.492.8711 (toll free) or 775.229.8175
Mon-Fri 8-5 Pacific Time