Manual water pump

November 28, 2010

Manual water pumpA manual water pump is useful for owners of private houses and summer cottages for lifting water from wells and wells. Of course, you can use such simple mechanisms as a gate or a crane-lift, but to facilitate the extraction of water from the depth of a well or well, it is better to use a pump. For these purposes can be used both mechanical and manual pumps. The last pumps are of two types: piston and sucker rod.

Piston hand pumps are used in the event that the depth of a well or a shaft well does not exceed 7 meters, with a greater depth you will need a sucker-rod pump.

Sucker pump

hand pump for pumping waterSuch a pump consists of the following elements: a pump cylinder 1, a column of water pipes 2, a set of rods 3, a piston 8, a manual actuator consisting of a rod 6 and a balance weight 7. The pump cylinder is lowered into the depth of the well along a column of water pipes attached to the end of casing special clamp 4.

In order for the lower suction ball or disk valve 10 not to protrude from the water during the pumping of fluid, the pump cylinder must sink below the water level. At the upper end of the lifting pipes must be fixed gland 5.When the pump cylinder is lowered to the required depth, the piston 8 is lowered on the rods 3 so that it does not reach the bottom valve of the cylinder at a distance of about 60 mm. The upper end of the rod must be fixed to the rod 6, which passes through the gland 5 and is connected by a hinge with the balance bar 7.

To install the valve 9 in the piston 8 is formed in the middle of the groove. On the outer surface of the piston is fixed sealing cuff made of rubber or leather. When the piston moves downwards, the valve 10 closes and opens the valve 9 and water enters the space above the given piston. When the piston moves upwards, water rises after it, and water from the well will flow into the space under the piston due to the discharge of air. At this time, the suction valve 10 is open, and the piston valve 9 is in the closed state. According to this principle, there is a pumping of water from a well or a well.

Piston hand pump

manual piston pump for waterThis type of pump is similar to the previous model, but has some differences. Apply piston pumps for shallow (no more than 7-10 meters) groundwater. Install the pump on the top of the lifting pipes at a distance of 70-100 cm from ground level.The design includes a cylinder 6, in which the piston 7 is placed. In the piston, in turn, is placed a piston valve 8, a disk valve 5 is installed in the bottom of the cylinder.

When the piston moves down, the valve 5 closes and water flows from under the piston into the free space above the piston through the open piston valve 8. When the piston moves up, the piston valve 8 closes and water rises into the tank 10. At this time, under the piston is created the vacuum of air and due to this phenomenon, the valve 5 opens, as a result of which the water rises into the free space under the piston. To create a reciprocating motion of the piston is the rod 9, which is pivotally connected to the balance bar 11. For pumping out water from the well, a check valve 4 is installed for the joint operation of the piston pump and the electric pump.

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